Practice Test


Q1) Bentham and Hooker classification is Show Answer


Q2) All multicellular, eukaryotic organisms with photosynthetic mode of nutrition are included under Kingdom Show Answer


Q3) Plants are Show Answer


Q4) Which of the following is a characteristic of Kingdom Plantae ? Show Answer


Q5) Which of the following is the WRONG statement regarding cryptogams ? Show Answer


Q6) Algae, bryophytes and pteridophytes are included in Show Answer


Q7) Algae differ from land plants due to the Show Answer


Q8) Algae posses photosynthetic pigments and hence they are called Show Answer


Q9) An example of a non-motile unicellular microscopic alga is Show Answer


Q10) An example of a motile, unicellular microscopic alga is Show Answer


Q11) Chlorella is _______ while Chlamydomonas is ______. Show Answer


Q12) Spirogyra is Show Answer


Q13) Chara is Show Answer


Q14) Sargassum is a huge macroscopic alga which measures about ________ in length. Show Answer


Q15) Vegetative reproduction in filamentous algae takes place by Show Answer


Q16) Algae are Show Answer


Q17) Pigment common to all algae is Show Answer


Q18) Algae are mostly Show Answer


Q19) Algae differ from fungi due to presence of Show Answer


Q20) All algae have Show Answer


Q21) The reserved food in red algae is Show Answer


Q22) ______ are called amphibians of plant kingdom. Show Answer


Q23) In bryophytes, Show Answer


Q24) Presence of rhizoids in place of true roots is the characteristic of Show Answer


Q25) In liverworts, Show Answer


Q26) In mosses, Show Answer


Q27) Bryophytes show leaf like structures in Show Answer


Q28) In bryophytes, Show Answer


Q29) Bryophytes reproduce by vegetative mean through Show Answer


Q30) In bryophytes, sexual reproduction take place by Show Answer


Q31) In bryophytes, asexual reproduction take place by Show Answer


Q32) In a moss, the sporophyte Show Answer


Q33) Unique feature of bryophytes as compared to other plant groups is that Show Answer


Q34) Riccia is also called Show Answer


Q35) Which is NOT a character of bryophytes ? Show Answer


Q36) The shape of gametophyte in bryophytes is Show Answer


Q37) Most common method of vegetative reproduction in thalloid bryophytes is Show Answer


Q38) Which one of the following is the dominant phase in bryophytes ? Show Answer


Q39) The liverworts belong to Show Answer


Q40) Bryophytes are of Show Answer


Q41) Bryophytes have thallus plant body but they are not included under thallophyta because of Show Answer


Q42) The sporophyte of moss is Show Answer


Q43) The first successful terrestrial plants were Show Answer


Q44) Pteridophytes include about ________ genera. Show Answer


Q45) Pteridophytes include about _________ species. Show Answer


Q46) Pteridophytes bear _______ leaves. Show Answer


Q47) Pteridophytes are Show Answer


Q48) The late ________ era is regarded as the age of Pteridophytes. Show Answer


Q49) Azolla is a/an Show Answer


Q50) Equisetum is a/an _________ pteridophyte. Show Answer


Q51) Lycopodium is a/an Show Answer


Q52) In pteridophytes, phloem contains Show Answer


Q53) In pteridophytes, xylem contains Show Answer


Q54) The development of sporophyte without fusion of the male and female gametes is called as Show Answer


Q55) The development of gametophyte from any cell of the sporphyte other than the spores is known as Show Answer


Q56) Phanerogams means Show Answer


Q57) Number of generations in the life cycle of pteridophyta is Show Answer


Q58) Which is the dominant phase in pteridophyta ? Show Answer


Q59) Sporangia and spore bearing leaf in fern is called Show Answer


Q60) Adult fern plant is Show Answer


Q61) Spores of pteridophyta are Show Answer


Q62) Nephrolepis is a Show Answer


Q63) Out of the following which are the characteristics present in both bryophyta and pteridophyta ? Show Answer


Q64) Most primitive living vascular plants are Show Answer


Q65) The book 'Enquiry into plants' was written by Show Answer


Q66) The term gymnsoperms was first coined by Show Answer


Q67) Gymnsoperms are Show Answer


Q68) In gymnsoperms, pollination occurs only by Show Answer


Q69) Sporangia bearing leaf is called Show Answer


Q70) Gymnsoperms are characterized by the absence of Show Answer


Q71) The pollination in gymnsoperms is Show Answer


Q72) In gymnsoperms, vegetative reproduction takes place with help of Show Answer


Q73) _________ is the tallest living plant in the world. Show Answer


Q74) The height of the Sequoia plant is Show Answer


Q75) _________ is the smallest gymnsoperm. Show Answer


Q76) Ginkgo biloba are called Show Answer


Q77) Which of the following is a gymnsoperm ? Show Answer


Q78) ________ is called coast redwood of California. Show Answer


Q79) Taxoduim mucronatum has a girth of about _________ feet. Show Answer


Q80) Zamia pygmaea is about ______ cm long. Show Answer


Q81) Cycas has two cotyledons but is not included in angiosperms because of Show Answer


Q82) The chief water conducting elements of xylem in gymnsoperms are Show Answer


Q83) Gymnosperms bear seeds but lack fruits because they lack Show Answer


Q84) Corolloid roots of Cycas show association with Show Answer


Q85) Roots of Pinus shows association with Show Answer


Q86) Endophytic fungi or mycorrhizae are found in the root of Show Answer


Q87) Which of the following is commonly known as living fossil ? Show Answer


Q88) Tap root system pentamerous symmetry of flowers, reticulate venation are characteristic of Show Answer


Q89) The seeds in gymnosperms are Show Answer


Q90) In which plant is female cone absent ? Show Answer


Q91) Cycas seed has two cotyledons but it is not included in class dicotyledonae because Show Answer


Q92) A true seed is Show Answer


Q93) The smallest angiosperm is Show Answer


Q94) Microsporangia are borne on Show Answer


Q95) Ovules are borne on Show Answer


Q96) Angiosperms are always Show Answer


Q97) Double fertilization means Show Answer


Q98) Flowers of monocot plants show Show Answer


Q99) Which of the following plants group shows double fertilization ? Show Answer


Q100) Secondary growth is absent in Show Answer


Q101) Companion cells are absent in the phloem of Show Answer


Q102) Double fertilization is the chracteristics of Show Answer


Q103) Archegonium is absent in Show Answer


Q104) Vascular bundles are absent in Show Answer


Q105) Angiosperms and Gymnosperms resemble each other in having Show Answer


Q106) Gymnosperm is similar to angiosperm due to presence of Show Answer


Q107) Gymnosperms and angiosperms are similar due to presence of Show Answer


Q108) Succulent plants are preserved in Show Answer


Q109) The Lloyd botanical garden is located at Show Answer


Q110) The Government botanical garden is located at Show Answer


Q111) The National botanical garden is located at Show Answer


Q112) The central national herbarium is located at Show Answer


Q113) The largest herbarium of India is Show Answer


Q114) Sequence for preparation of herbarium is Show Answer


Q115) Which equipments are needed to collect plant specimen and prepare herbarium sheets ? Show Answer


Q116) A place where dried plant materials are preserved as a specimens is known as Show Answer


Q117) Which is a huge alga among the following ? Show Answer


Q118) Which of the following is not a characteristics of algae ? Show Answer


Q119) Which of the following character is common for both algae and fungi ? Show Answer


Q120) A bryophyte differs from pteridophyta due to Show Answer


Q121) Moss can be differentiated from Cycas by the Show Answer


Q122) The first vascular plants were Show Answer


Q123) The primary root is short-lived and is soon replaced by adventitious roots in Show Answer


Q124) Both homosporous and heterosporous plants are found in the group. Show Answer


Q125) Gametophyte generation is independent in Show Answer


Q126) Pteridophyte differ from bryophytes due to presence of Show Answer


Q127) Which of the following is not a pteridophyte ? Show Answer


Q128) Which of the following is not a gymnosperm ? Show Answer


Q129) From the following which vascular plants are without seeds ? Show Answer


Q130) Which plants are described as phanerogams without ovary ? Show Answer


Q131) Cycas and Nephrolepis differ in presence of Show Answer


Q132) Which of these is a dicot characteristic ? Show Answer


Q133) Both sporophyte and gametophyte are independent in Show Answer


Q134) Pteridophyta differ from bryophyta due to presence of Show Answer


Q135) Bryophyta differ from algae due to presence of Show Answer


Q136) Vascular bundles are absent in Show Answer


Q137) Plants having vascular tissue, producing spores but lacking seeds are Show Answer


Q138) Which of the following statements is wrong: Show Answer


Q139) Pollen sac in Cycas is called: Show Answer


Q140) Agar agar is obtained from: Show Answer


Q141) The coal deposits were formed by Show Answer


Q142) Phylogenetic system of classification is
based on Show Answer


Q143) Classification given byBenthamand Hooker
is Show Answer


Q144) Artificial system of classification- was first
used by Show Answer


Q145) System of classification used by Linnaeus
was Show Answer


Q146) The book ‘Genera Plantarum’ was written
by Show Answer


Q147) A system of classification, in which a large
number of traits are considered, is Show Answer


Q148) Which of the following classification is based in some morphological characters? Show Answer


Q149) Phylogenetic system of classification was proposed by Show Answer


Q150) The concept that monocots are more primitive than dicots was proposed by Show Answer


Q151) In pteridophytes, gametophytes require …A… to grow Show Answer


Q152) Which one of the following pairs of plants are not seed producers? Show Answer


Q153) A bryophyte, which harbours a nitrogen fixing blue-green alga in its thallus, is Show Answer


Q154) Rhodophytes are commonly called as Show Answer


Q155) This place in India is called ‘The Golden Mine of Liverworts’. Show Answer


Q156) In the alternation of generations the sporophytic generations is …A… and the gametophytic generation is
…B… . Here A and B refer to Show Answer


Q157) Chloroplasts of Spirogyra have Show Answer


Q158) In Selaginella the adaxial outgrowth from the base of leaf is called Show Answer


Q159) In Dryopteris, the opening mechanism of sporangium is effectively operated by Show Answer


Q160) Calcium encrustation and larvicidal properties are present in Show Answer


Q161) Iodine is obtained from Show Answer


Q162) Number of archegonia in Cycas is Show Answer


Q163) Which of the following in moss capsule is haploid/gametophytic tissue? Show Answer


Q164) In angiosperms seeds are enclosed by Show Answer


Q165) Which one of the following is a gymnosperm? Show Answer


Q166) Which of the following propagates through leaf-tip? Show Answer


Q167) The spores in the moss plant are formed in Show Answer


Q168) Antherozoids of Dryopteris are Show Answer


Q169) Which has vascular tissue, produces spores but does not have seeds? Show Answer


Q170) Consider the following statements about bryophyte plants
I. The tea prepared from polytrichum commune is used to dissolve kidney and gall bladder stones
II. Many chemical products such as alcohol, ammonium sulphate, paraffin, brown dye, etc., can be obtained
from peat
Choose the correct option Show Answer


Q171) Moss capsule represents a Show Answer


Q172) The gametophyte is not an independent, free living generation in Show Answer


Q173) Which one is not the feature of Cycas? Show Answer


Q174) The members of brown algae (class-Phaeophyceae) have gelatinous coating outside the, cellulosic cell wall
called Show Answer


Q175) In Bryophtya, the adult plant body is Show Answer


Q176) Difference between algae and bryophytes is Show Answer


Q177) Which one of the following is an example of chlorophyllous thallophyte? Show Answer


Q178) Which of the following is known as pond silk? Show Answer


Q179) Which of the following does not belong to class-Phaeophyceae (brown algae)? Show Answer


Q180) In pteridophyte, the sporophytes consist of leaf-like appendages called Show Answer


Q181) Meiosis in Spirogyra,Ulothrix,Chlamydomonas and most of the algae/thallophytes is Show Answer


Q182) In Funaria, stomata are present on the Show Answer


Q183) Gymnosperms are characterised by Show Answer


Q184) Which of the statement is correct about Marchantia?
I. Plant body is thallus-like structures closely attached to substrate
II. Sporophyte is differentiated into food, seta and capsule
III. Gemma cup located on the thalli Show Answer


Q185) Mosses occur in moist place because Show Answer


Q186) Read carefully the following statement about the sexual reproduction in ferns
I. Water is essential for fertilisation
II. Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces
antherozoids and egg cell, respectively
III. Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give
rise to sporophyte
Which of the statements given above are correct? Show Answer


Q187) Which of the following part of Funaria sporophyte is involved in the dispersal of spores? Show Answer


Q188) In …A… gametophytic phase is dominant, while in …B… sporophytic phase in dominant.
Identify the A and B. choose the correct option Show Answer


Q189) In which of the following group would you place a plant, which produce seeds but lacks fruits? Show Answer


Q190) The bryophytes are fundamentally terrestrial plants but require presence of water to complete their life
cycle. The water is needed for
I. dehiscence of antheridia
II. liberation of antherozoids
III. transfer of sperms from antheridia to archegonia
IV. opening of archegonial neck
V. the movement of antherozoids into the archegonial neck
Which of the statements given above are correct? Show Answer


Q191) In gymnosperms, the nucellus is protected by envelops and this composite structure is known as Show Answer


Q192) Pinus belong to the class Show Answer


Q193) In comparition to angiosperm, which one of the following algae exhibits haplo-diplontic life cycle Show Answer


Q194) Storage bodies, pyrenoids in the chloroplast contain Show Answer


Q195) In Funaria, the number of peristomial teeth is Show Answer


Q196) The members of Phaeophyceae are commonly called Show Answer


Q197) Two adjacent filaments of Spirogyra af finis each 10 cells participating in reproduction. How many new
Spirogyra plants are produced during sexual reproduction? Show Answer


Q198) Which group of plant constitute the lower bryophytes? Show Answer


Q199) Algal zone is present in Show Answer


Q200) Isogamy is found in Show Answer


Q201) Cleavage polyembryony occurs in Show Answer


Q202) Zygote of Spirogyra produces four haploid nuclei in which Show Answer


Q203) The members of brown algae are found primarily in Show Answer


Q204) A prokaryotic autotrophic nitrogen fixing symbiont is found in Show Answer


Q205) Sporophytic generation is dominant phase in the life cycle of Show Answer


Q206) Choose the incorrect statement about mosses? Show Answer


Q207) Gemmae are asexual buds, which originate from small receptacles called gemma cups.
These are found in Show Answer


Q208) Tallest flowering tree is Show Answer


Q209) Oogamous means Show Answer


Q210) Which is wrong in respect to bryophytes? Show Answer


Q211) Nephrolepis is a Show Answer


Q212) ‘Club moss’ belongs to Show Answer


Q213) Isogamous mean
I. both gametes are similar in size and non-motile,
II. both gametes are dissimilar in size and motile
III. both gametes are similar in size and motile
IV. both gametes are dissimilar in size and non-motile
Which of the statement(s) given above is/are correct? Show Answer


Q214) Characters of both conifers and cycads are found in Show Answer


Q215) The amphibians of plant kingdom are Show Answer


Q216) Which economically important product is obtained from Cycas Circinalis? Show Answer


Q217) Artificial system of classification was given by …A… and based on …B…
Fill the blanks with respect to A and B. choose the correct option Show Answer


Q218) Sea weeds are important source of Show Answer


Q219) Terms artificial, natural and phylogenetic are related to types of Show Answer


Q220) Holdfast, stipe and frond constitutes the plant body in case of Show Answer


Q221) In Chlorophyceae, the mode of sexual reproduction is Show Answer


Q222) The positive evidence of aquatic ancestory of bryophytes is indicated by Show Answer


Q223) In gymnosperm the roots are generally Show Answer


Q224) Which type of chloroplasts are present in the members of class-Chlorophyceae? Show Answer


Q225) Seed habit is linked to Show Answer


Q226) Algae occur in/on Show Answer


Q227) Which of the following plant group is considered as first terrestrial plants to possess vascular tissues
xylem and phloem? Show Answer


Q228) At the base of seta of capsule of moss, there is a haploid brownish growth called Show Answer


Q229) Sphaerocarpus belongs to Show Answer


Q230) Meiosis in Dryopteris takes place during Show Answer


Q231) Which of the following plants produces seeds but not flowers? Show Answer


Q232) Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and
showing affinities with angiosperms Show Answer


Q233) From which of the following plants is a medicine for respiratory disorders obtained? Show Answer


Q234) In Funnaria , antheridial branch is called Show Answer


Q235) Which of the following is not the feature of gymnosperms? Show Answer


Q236) The alga used in space research is Show Answer


Q237) The cones bearing megasporophyll with ovules are called Show Answer


Q238) In Spirogyra the sporophytic stage is dominant Show Answer


Q239) Ovules are borne on Show Answer


Q240) Of the following groups, which secrete and deposit calcium carbonate and appear like corals? Show Answer


Q241) In pteridophytes, phloem is without Show Answer


Q242) In algae the flagellate (motile) spore is called Show Answer


Q243) Ovules of gymnosperm is Show Answer


Q244) Agar, one of the commercial products obtained from red algae is used Show Answer


Q245) Phycoerythrin is present in Show Answer


Q246) Protonema is formed in Show Answer


Q247) Consider the following statements regarding the major pigments and stored food in the different groups of
algae and select the correct options given.
I. In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
II. In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.
III. In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla-a, b and
phycoerythrin. Show Answer


Q248) Read carefully the given statements about algae and choose the correct option
I. The plant body is thalloid
II. Mainly aquatic
III. Reproduction takes place by vegetative, asexual and sexual
IV. Volvox and Ulothrix are the colonial form of algae Show Answer


Q249) The members of Chlorophyceae are commonly called Show Answer


Q250) Resin and turpentine are products of Show Answer


Q251) In Cycas, pollination occurs at ….. celled stage Show Answer


Q252) Moss peat s used as a packing material for sending flowers and live plants to distant places because Show Answer


Q253) The unique feature of bryophytes compared to other green plant group is that Show Answer


Q254) Cycas leaflets are Show Answer


Q255) Which of the following are called vascular cryptogams? Show Answer


Q256) In gymnosperms the dominate phase is …A… . They are heterosporous, produce …B… and …C… . Here, A, B
and C refers to Show Answer


Q257) Algae are Show Answer


Q258) Consider the following statements
I. They reproduce asexually by non-motile spores and sexually by non-motile gametes
II. In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation
developments
III. The common members are Polysiphonia, Porphyra, Gracilaria, and Gelidium
The above characteristics are belongs to which class of algae Show Answer


Q259) In gymnosperm dominant phase is Show Answer


Q260) In liverworts asexual reproduction takes place by Show Answer


Q261) Which of the following is the amphibians of the plant kingdom? Show Answer


Q262) Identify the scientists worked extensively on chlorophyllous and non-chlorophyllous thallophytes,
respectively.
I. Iyenger II. Swaminathan
III. Metha IV. Maheswari Show Answer


Q263) Sago starch is obtained from Show Answer


Q264) Which of the following pteridophytes is heterosporous in nature? Show Answer


Q265) Which statement is incorrect about Pinus? Show Answer


Q266) Find out the mis-matched pair. Show Answer


Q267) Gymnosperms are naked seeded plants because Show Answer


Q268) Consider the following statements about green algae
I. Green algae are green due to the presence of chlorophyll-A and B pigments localised in chloroplast
II. Algae store food in form of starch in a specialised structures called pyrenoids located in chloroplast.
Food may be stored in form of oil droplets
III. Vegetative reproduction occurs through cell division, fragmentation, stolons and tubers
Which of the statements given above are correct? Show Answer


Q269) Cycads are Show Answer


Q270) ‘Chilgoza’ a gymnospermic seed that is eaten as dry fruit is produced by Show Answer


Q271) In Funaria capsule, dispersal of spores takes place through Show Answer


Q272) The plant body of all bryophytes are haploid and thallus like having Show Answer


Q273) Though Cycashas two cotyledons, this is not included in dicot because Show Answer


Q274) Which one of the following is called maiden-hair fern? Show Answer


Q275) A mature pollen grain of Pinushas Show Answer


Q276) Mannitol is reserve food in Show Answer


Q277) In pteridophytes spore germinate to give rise to Show Answer


Q278) Gymnosperms include Show Answer


Q279) In homosporous pteridophyte, the gametophyte is Show Answer


Q280) The only positive evidence of aquatic ancestry of bryophyte is Show Answer


Q281) The heart-shaped form of prothallus represents Show Answer


Q282) Which of the following statements is right? Show Answer


Q283) Classification on the basis of chemical constituents of plant is known as Show Answer


Q284) Which of the following liverworts have thalloid plant body? Show Answer


Q285) Phycology is the study of Show Answer


Q286) Consider the following statements about bryophytes
I. Sexual reproduction is oogamous type
II. The sex organs are multicellular and jacketed with sterile jacket
III. The haploid gametophytes is dominant stage in the life cycle bryophytes
Which of the statements given above are correct? Show Answer


Q287) Chlorophyll-b is not present in Show Answer


Q288) Natural system of classification were based upon Show Answer


Q289) Largest moss is Show Answer


Q290) Which of the following petridophytes belong to class-Pteropsida? Show Answer


Q291) Cycas revoluta is popularly known as Show Answer


Q292) Pteridophytes are also known as Show Answer


Q293) Have capacity of absorbing water used to replace cotton and used as a fuel is Show Answer


Q294) Which of the following plant materials, is an efficient water imbibant? Show Answer


Q295) If you are asked to classify the various algae into distinct groups, which of the following characters you
should choose? Show Answer


Q296) Which of the following is /are grouped under phanerogams? Show Answer


Q297) Calyptra is derived from Show Answer


Q298) Megaspore mother cell divides …A… to give rise …B… megaspores Identify the A and B and choose correct option Show Answer


Q299) In Cycas Show Answer


Q300) Largest gametophyte is found in Show Answer


Q301) Which is the source of turpentine oil? Show Answer


Q302) What is the ratio of equational division that takes place in Cycas and angiosperms respectively during the
formation of male gametes from pollen grains? Show Answer


Q303) In moss, the sporophyte is differentiated into Show Answer


Q304) In algae, sexual reproduction takes place through the fusion of two Show Answer


Q305) In Spirogyra, sometimes a ladder-like structure is present due to Show Answer


Q306) Which of the following is the difference between a monocotyledonous and a dicotyledonous plant? Show Answer


Q307) Which of the following characteristic does not occur in Pinus? Show Answer


Q308) Calyptra develops from Show Answer


Q309) Species of Sphagnum, a moss, provides Show Answer


Q310) Spirogyral lateral conjugation takes place in Show Answer


Q311) Which one of the following classes is included under gymnosperms? Show Answer


Q312) Study the following and identify two characters found in both Cycas and Pteris.
I. Formation of motile male gametes.
II. Formation of haploid endosperm.
III. Formation of sporophyte directly from gametophyte without gametic union.
IV. Formation of archegonia in female gametophyte.
The correct match is Show Answer


Q313) Iodine is found in algae Show Answer


Q314) The members of algae reproduce by Show Answer


Q315) Consider the following statements about sexual reproduction in brown algae?
I. Sexual reproduction may be oogamous isogamous or anisogamous
II. Union of gametes take place in water or within the oogonium
III. The gametes are pear-shaped and bear two laterally attached flagella
Which of the statements given above are correct? Show Answer


Q316) Which of the following is known as ‘bog moss’? Show Answer


Q317) Which of the following has multiflagellate sperms? Show Answer


Q318) Angiospermic plants are divided into Show Answer


Q319) Cycas seed is Show Answer


Q320) The correct statements about bryophytes are
I. the sperms are biflagellate
II. the sperms are released into water and fuses with the egg to produce the zygote out side the body
III. zygotes undergoes reduction division immediately
IV. they produce a multicellular body called a sporophyte Show Answer


Q321) Which of the following is pteridophytes belong to class-Pteropsida? Show Answer


Q322) The 13-celled male gametophyte in Selaginella is Show Answer


Q323) In haplontic life cycle, the dominant generation is Show Answer


Q324) Carrageenin, a jelly-like substance is obtained from Show Answer


Q325) The first phylogenetic system of plant classification was proposed by Show Answer


Q326) While entering in the neck of a fern archegonium, sperms shows Show Answer


Q327) Which one of the following plants is monoecious? Show Answer


Q328) A gymnospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm is Show Answer


Q329) Tea and coffee are affected by Show Answer


Q330) In gymnosperms, during pollination pollen grains are released from the microsporangium and transferred
to Show Answer


Q331) In Funaria, the stomata are found on Show Answer


Q332) Diatoms belong to which class? Show Answer


Q333) Which of the following statement is correct about the gametophytic stage in the alteration of generation
with in the life cycle? Show Answer


Q334) Which of the following gymnosperms is a bushy trailing shrub? Show Answer


Q335) Which of the following taxa shows zooidogamous oogamy?
I. Spirogyra II.Funaria
III.Pteris IV.Cycas Show Answer


Q336) Smallest flowering plant is Show Answer


Q337) Funaris, Polytrichumand and Sphagnum are the examples of Show Answer


Q338) Pollen sac in Cycas is called Show Answer


Q339) Chlorenchyma is known to develop in the Show Answer


Q340) Bryophytes are also called ‘amphibians of the plant kingdom’ because Show Answer


Q341) Phylogenetic system of classification was given by Show Answer


Q342) Male and female gametophytes are independent and free-living in Show Answer


Q343) Chlamydomonas, Volvox, Ulothrix, Spirogyra and Chara are the examples of Show Answer


Q344) Consider the following statements
I. Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to grow
microbes and in preparations of ice-creams and jellies
II.Chlorella and Spirogyra are used in sewage disposal ponds
III. Some species of marine algae like
Porphyra, Laminaria and Sargassum are used as food
Which of the statements given above are correct? Show Answer


Q345) In gymnosperm, the multicellular female gametophyte is retained with in Show Answer


Q346) Choose the wrong pair Show Answer


Q347) Cycas circinalis is a source of Show Answer


Q348) The endosperm in angiosperms develops from Show Answer


Q349) A microsporophyll in Pinus has Show Answer


Q350) The algae used in space research is Show Answer


Q351) Horse tails and ferns are belongs to Show Answer


Q352) Chloroplasts, with pyrenoid like structures are found in the leaves of Show Answer


Q353) Bryophytes mostly occur in Show Answer


Q354) The number of prothallial cells in male gametophyte of Pinus is Show Answer


Q355) The body structure of green algae may be Show Answer


Q356) Natural system of classification was developed by Show Answer


Q357) Angiosperms differ from gymnosperms in having Show Answer


Q358) Consider the following statements regarding gymnosperms and choose the correct option.
I. In gymnosperms, the male and female gametophytes have an independent existence.
II. The multicellular female gametophyte is retained within the megasporangium.
III. The gymnosperms are hterosporous.
Of these statements Show Answer


Q359) ‘Sanjeevani booti’ is Show Answer


Q360) Dryopteris differs from Funaria in having Show Answer


Q361) Retort cells occur in Show Answer


Q362) Chlamydomonas occurs in Show Answer


Q363) Select the correct statements Show Answer


Q364) The members of Chlorophyceae are usually green due to the dominance of pigments Show Answer


Q365) Winged pollen grains are found in Show Answer


Q366) Which region is responsible for origin of rhizoids in Funaria? Show Answer


Q367) Statement 1: Linnaeus system of animal classification is essentially an artificial system, yet it has
become a natural system.
Statement 2: Similarities forming the basis in Linnaeus system are indicative of genetic relationship Show Answer


Q368) Endosperm formation begin with Show Answer


Q369) Gametophyte is the dominant phase in the life cycle of Show Answer


Q370) Which one of the following is a vascular cryptogam? Show Answer


Q371) Consider the following statements
I. The liverworts grow usually in moist, shady habitats such as banks of streams, marshy ground, damp
soil, bark of trees and deep in the woods
II. The leafy members of liverwort have tiny leaf-like appendages in two rows on the stem-like structures
Choose the correct option Show Answer


Q372) The giant red wood tree (Sequoia) is a/an Show Answer


Q373) Which of the following statements is wrong about bryophytes? Show Answer


Q374) Choose the correct statement about liverworts
I. In liverworts sexual reproduction occurs by the fusion of antherozoids and egg, which are produced in
anthridium and archegonium, respectively
II. Both male and female sex organs may be present on same thalli or different thalli
III. Zygote give rise to sporophyte, which is differentiated into food, seta and capsule
IV. Some cells of capsule undergoes meiosis and give rise to haploid spores Show Answer


Q375) Spore dissemination in some liverworts is aided by Show Answer


Q376) If a sporangium is derived from a single cell, it is called Show Answer


Q377) Dispersal of spores in fern takes place through Show Answer


Q378) Members of class-Rhodophyceae are known as red algae due to the presence of red pigment Show Answer


Q379) A protein rich green alga is Show Answer


Q380) Phylogenetic system of classification is based upon Show Answer


Q381) Both heterospory and circinate ptyxis occur in Show Answer


Q382) In Pinus, the endosperm is Show Answer


Q383) How many pyrenoids are present in the members of class-Chlorophyceae? Show Answer


Q384) Choose the incorrect statement Show Answer


Q385) Spores with chloroplast is present in Show Answer


Q386) The leaves in pteridophytes are small as in Show Answer


Q387) In bryophytes antheridium produces …A… and female sex organ archegonium produces …B… . Here A and
B refer to Show Answer


Q388) In case of heteroporous pteridophyte the gametophyte is Show Answer


Q389) Oogamous type of fusion is found in Show Answer


Q390) Fern gametophyte bears Show Answer


Q391) Gametophyte is dominant stage in the life cycle of Show Answer


Q392) The plant body of bryophytes is Show Answer


Q393) In gymnosperms the development of grains take place with in the Show Answer


Q394) Classification on the basis of all observed characters is known as Show Answer


Q395) Spirogyra, Volvox and Chlamydomonas shows Show Answer


Q396) When moss spores germinate, the form Show Answer


Q397) A fern differs from a moss in having Show Answer


Q398) If the chromosome number in the leaf of Funaria is 20, what will be the chromosome number in the
spores? Show Answer


Q399) Pteridophytes differ from bryophytes in the Show Answer


Q400) Cycas stem shows Show Answer


Q401) In which group of the following would you place the plants having vascular tissue and lacking seeds? Show Answer


Q402) In brown algae, food is stored in the form of Show Answer


Q403) Haploid brown, hairlike, delicate unicellular outgrowths are Show Answer


Q404) Gymnosperms produce neither flower nor fruit because they do not possess Show Answer


Q405) In mosses the second gametophytic stage is leafy stage. Consider the following statements about leafy
stage
I. Leafy stage is produced from the secondary protonema as a lateral bud
II. They consist of upright, slender axes bearing spirally arranged leaves
III. They are attached to the soil through multicellular rhizoids
IV. This leafy stage bears the sex organ
Which of the statements given above are correct? Show Answer


Q406) Alginic acid is found in the cell wall of Show Answer


Q407) Incorrect character of brown alga is Show Answer


Q408) Plants forming spores but lacking seed and vascular tissue are Show Answer


Q409) Living fossil is Show Answer


Q410) Acetabularia is a Show Answer


Q411) Which of these is mismatched? Show Answer


Q412) The sclerenchyma of the hypodermis in the Pinus needle helps in Show Answer


Q413) Most algal genera are haplontic some of them such as …A…, …B… and …C… are haplo-diplontic. Here A, B
and C refers to Show Answer


Q414) From which of the following algae, agar-agar is commercially extracted?
I. Gracilaria II. Fucus
III. Sargassum IV. Gelidium
V. Turbinaria Show Answer


Q415) In gymnosperms one of the megaspores develops into multicellular structure called multicellular …… that
bears two or more archegonia Show Answer


Q416) If the leaf of Funaria has 5 chromosomes the primary protonema will have Show Answer


Q417) In gymnosperms the reduced gametophyte is called Show Answer


Q418) In algae asexual reproduction occurs by the production of different types of spores. The most common
type of spore is Show Answer


Q419) In green algae vegetative reproduction takes place by Show Answer


Q420) Photosynthetic pigments of class-Rhodophyceae (red algae) are Show Answer


Q421) Fruits are not found in gymnosperms because Show Answer


Q422) Haplontic life cycle is followed by Show Answer


Q423) Resin duct of gymnospermous stem is an example of Show Answer


Q424) Fertilisation is the process of Show Answer


Q425) Angiosperms are also called Show Answer


Q426) Read carefully the following statements
I. Funaria possesses unicellular and unbranched rhizoids
II. Gemmae are asexual buds, which originate from small receptacles called gemma cups
III. The Sphagnum plants have magnificent property of retaining water
IV. Mosses along with lichens are the first organisms to colonise rocks
Which of the statements given above are correct? Show Answer


Q427) In brown algae asexual reproduction takes place by Show Answer


Q428) Sporophyte of fern produces Show Answer


Q429) Fern spores are usually Show Answer


Q430) In Cycas, diploxylic vascular bundles are found in Show Answer


Q431) A group of plants which are autotrophs, their sex organs are non-jacketed and whose zygotes secrete thick
wall are called Show Answer


Q432) Peat moss is Show Answer


Q433) The main plant body in pteridophyte is Show Answer


Q434) Consider the following statement regarding heterospory
I. Genera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro
(small) spores, are known as heterosporous II. The megaspores and microspores germinate and give rise to female and male gametophyte respectively
III. The female gametophytes in these plants are retained on the parent sporophytes for variable periods
IV. The development of the zygotes into young embryos takes place within the female gametophytes
V. This event is a precursor to the seed habit considered an important step in evolution Show Answer


Q435) Common characteristic between bryophytes and pteridophytes is Show Answer


Q436) Two very distinst generations are found in the life cycle of Show Answer


Q437) Dominant generation in bryophytes is Show Answer


Q438) In gymnosperms, pollination takes place by Show Answer


Q439) Non-motile, greatly thickened, asexual spore in Chlamydomonas is Show Answer


Q440) Consider the following statements about brown algae
I. The largest kelps are Nereocystis and macrocytis
II. Brown algae have gelatinous coating outside the, cellulosic cell wall called algin
III. Food obtained from
Laminaria saccharina is known as ‘Kombu’
Which of the statements given above are correct? Show Answer


Q441) Which of the following algae are suitable for human consumption? Show Answer


Q442) In Ulothrix, meiosis occurs in Show Answer


Q443) Choose the correct statements about protonema Show Answer


Q444) Fruits are mature Show Answer


Q445) Megasporophyll of Cycas is equivalent to Show Answer


Q446) Mosses (along with lichen) are of great ecological importance because Show Answer


Q447) Microsporangia of Cycas occur over microsporophyll Show Answer


Q448) The plant body of bryophytes are thallus like, prostrate or erect and attached to substratum with the help
of Show Answer


Q449) Heterospory is the production of Show Answer


Q450) Bryophytes include Show Answer


Q451) About 90% of the total green algae is found in Show Answer


Q452) Mosses are attached to substratum by Show Answer


Q453) Oil is reserve food in Show Answer


Q454) Coralloid roots of Cycas are useful in Show Answer


Q455) The type of pollination in Cycas is Show Answer


Q456) Spore of Funaria on germination gives rise to Show Answer


Q457) Eutrophication is the result of Show Answer


Q458) If number of chromosomes in foot of fern embryo is 8, what should be the number in its spores? Show Answer


Q459) Agar-agar is obtained from Show Answer


Q460) The alga rich in protein is Show Answer


Q461) Female reproductive part of bryophytes is Show Answer


Q462) Which of the following group of marine algae are used as food? Show Answer


Q463) Chlamydomonas nivalis is responsible for Show Answer


Q464) The thallus of Volvox is called Show Answer


Q465) Number of peristomial teeth in moss is Show Answer


Q466) Plants have ….. in their life cycle Show Answer


Q467) The only living fossil, known by the name of ‘maiden hair tree’ is Show Answer


Q468) Chloroplast in Ulothrix is Show Answer


Q469) The members of brown algae have Show Answer


Q470) In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result Show Answer


Q471) In flowering plants meiosis occurs at the time of Show Answer


Q472) Floridian starch is reserve food in Show Answer


Q473) Chlamydomonas shows Show Answer


Q474) Mosses are Show Answer


Q475) In gymnosperm, the leaves are well-adapted to withstand extremes of temperature, humidity and wind.
What are the xeric characters in conifers? Show Answer


Q476) Vegetative reproduction in Cycas occurs by Show Answer


Q477) Classification done on the basis of cytological information, chromosome structure and their behavior, is
known as Show Answer


Q478) Choose the correct statements for the sporophyte of bryophytes,
I. sporophyte is multicellular, not free living but attached to the gametophyte for nourishment from it
II. some cells of the sporophyte under go meiosis to produce haploid spores
III. these spores germinate to produce gametophyte Show Answer


Q479) In mosses vegetative reproduction takes place by Show Answer


Q480) Vasculature is poorly developed, pith has mucilage canals, parenchyma and medullary rays are abundant
in Show Answer


Q481) When a produces two kind of spores, the condition is known as Show Answer


Q482) Artificial system of classification was given by Show Answer


Q483) In algae, vegetative reproduction mainly takes place by Show Answer


Q484) Which of the following plant group lack true roots, stem and leaves? Show Answer


Q485) Father of Indian Bryology is Show Answer


Q486) In which of the following, pyrenoids are present? Show Answer


Q487) In which of the following features, Cycas resembles with angiosperms? Show Answer


Q488) Megasporophyll is the term used in gymnosperm to denote Show Answer


Q489) Haplo-diplontic life cycle is followed by Show Answer


Q490) Green alga contains Show Answer


Q491) Ectophloic siphonostele is found in Show Answer


Q492) Roots is some gymnospermic genera have fungal association in the form of …A… in …B…. Here, A and B
refers to Show Answer


Q493) Sphagnum a moss, is used as a packing material for transporting living materials because of its Show Answer


Q494) Which of the following is true about bryophytes? Show Answer


Q495) In Spirogyra, Show Answer


Q496) The protonema is a stage in the life cycle of Show Answer


Q497) Identify the alga known for a biological activity called bioluminescence. Show Answer


Q498) The moss plant is Show Answer


Q499) Flagellated male gametes are present in all the three of which one of the following sets? Show Answer


Q500) In brown algae, brown colour is due to presence of Show Answer


Q501) Nostoc fixes dinitrogen in symbiotic association with the following
I. Alnus II. Gunnera
III. Anthoceros IV. Casuarina Show Answer


Q502) The members of Chlorophyceae usually have a rigid cell wall made up of Show Answer


Q503) Zygotic meiosis takes place in Show Answer


Q504) Which of the following is correct for Cycas reproduction? Show Answer


Q505) In Pinus, the third tier of embryonal cells formed below is known as Show Answer


Q506) Kingdom-Plantae includes Show Answer


Q507) Moss spore germinate to form Show Answer


Q508) Pteridophytes mostly occur in Show Answer


Q509) Protonema is the juvenile filamentous state in the life cycle of Show Answer


Q510) In which way, mosses affects the quality of soil? Show Answer


Q511) Which one of the following is considered important in the development of seed habit? Show Answer


Q512) In capsule of moss, shock absorbers are Show Answer


Q513) Haploid structure of Funaria is Show Answer


Q514) Which of the following statement is true about the sporophytic stage in plant life cycle? Show Answer


Q515) Phylogenetic system of classification is also known as Show Answer


Q516) Transfusion tissue is present in the leaves of Show Answer


Q517) Gametophytic generation is dominant stage in the life cycle of Show Answer


Q518) Pyrenoids are made up of Show Answer


Q519) In ferns and mosses, movement of antherozoids towards female component is called Show Answer


Q520) Consider the following statements regarding reproduction in class-Chloropyceae.
I. Asexual reproduction is mainly by flagellated zoospores produced in zoosporangia.
II. The sexual reproduction shows considerable variation in the type and formation of sex cells and it may
be isogamous, anisogamous and oogamous.
Which of the statements given above are correct? Show Answer


Q521) Laminarin and manitol of class-Phaeophyceae (brown algae) are Show Answer


Q522) Choose the correct statements Show Answer


Q523) The first Division, which comes under kingdom-Plantae is Show Answer


Q524) Microsporangia in gymnosperm are produced Show Answer


Q525) Spore of Funaria on germination produces Show Answer


Q526) Fusion of two gametes, which are dissimilar in size is termed as Show Answer


Q527) Heterosporous pteridophytes always produce Show Answer


Q528) A ring of multiciliate zoogonidium is found in Show Answer


Q529) Sterile part of Cycas microsporophyll is Show Answer


Q530) Which of the following is living fossil? Show Answer


Q531) Which type of moss is Funaria? Show Answer


Q532) Select the correctly matched ones.
I. Phaeophyceae - Mannitol
II. Rhodophyceae - Dictyota
III. Chlorophyceae - Non-motile gametes
IV. Rhodophyceae - r-phycoerythrin Show Answer


Q533) Algae have cell wall made up of Show Answer


Q534) Pyrenoids are present in the ….. in most of the green algae Show Answer


Q535) Indusium is found in Show Answer


Q536) In the life cycle of mosses, the gametophyte has two stages (A and B). These stages can be called Show Answer


Q537) Number of meiosis for formation of 64 zygotes in angiosperm is 80 but in gymnosperms number of
meiosis for formation of 64 zygotes will Show Answer


Q538) In gymnosperm the microspores develop into a male gametophyte generation which Show Answer


Q539) In a monoecious plant Show Answer


Q540) In which of the following, all listed genera belong to the same class of algae? Show Answer


Q541) In Cycas stem, open vascular bundle is characterized by Show Answer


Q542) Which green alga shows heterotrichous habit and may have given rise to terrestrial (land) habit? Show Answer


Q543) The characteristic features of bryophytes are
I. main plant body is gametophytic
II. main plant body is sporophytic
III. requirement of water for fertilisation
Which of the statements given above are correct? Show Answer


Q544) Which is the tallest gymnospermic tree species? Show Answer


Q545) Anisogamous means both gamete are Show Answer


Q546) Usually plant body of brown algae is differentiated into Show Answer


Q547) Ulothrix releases zoospore during Show Answer


Q548) The kidney-shaped covering of sorus in Dryopteris, is called Show Answer


Q549) Pollen grains in Pinus are Show Answer


Q550) Characteristic of fern is Show Answer


Q551) Protonema is the stage in the life cycle of Show Answer


Q552) Which of the following plant cells is not surrounded by a cell wall? Show Answer


Q553) Top-shaped multiciliate male gametes and the mature seed, which bears only one embryo with two
cotyledons, are characteristic features of Show Answer


Q554) Gametophytic and sporophytic phases are independent in Show Answer


Q555) Which has vascular tissue, produces spores, but does not has seeds? Show Answer


Q556) Which type of the rhizoids are present in Riccia? Show Answer


Q557) Identify the alga, which exhibits diplontic life cycle Show Answer


Q558) Gymnosperms are Show Answer


Q559) Which of the following plant does not have Rhizobium containing root nodules? Show Answer


Q560) Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in
compact structures called cones. The group in reference is Show Answer


Q561) In comparition to pteridophyte, which one of the following algae exhibits diplontic life cycle? Show Answer


Q562) Which one of the following plants functions as symbolic nitrogen-fixing plant? Show Answer


Q563) In some pteridophytes, sporophyll form distinct compact structures called ...A… in …B… and …C… Here A, B
and C refers to Show Answer


Q564) Kelp (branched form) and Sargassam (filamentous form) belongs to Show Answer


Q565) In Chlamydomonas, the meiosis occurs in Show Answer


Q566) Consider the following statements
I. The plants have magnificent property of retaining water. They can with hold water two hundred times
more than their own weight. Hence, they are widely used by gardeners to keep cut plant parts moist
during transportation and propagation
II. These plants grow as semiaquatic or submerged in acidic marshes. The older portions of plant die but
do not decay due to peculiar germicidal properties
The above statements belongs to which of the following bryophitic plant? Show Answer


Q567) First vascular plant is Show Answer


Q568) Female cone of Pinus is a Show Answer


Q569) Algae include unicellular forms like …A…, filamentous like …B… and colonical forms like …C… . Here A, B
and C refer to Show Answer


Q570) The gametophyte of moss is Show Answer


Q571) Which of the following is not correctly matched? Show Answer


Q572) Consider the following statements
I. Hydropterides are only plant among the heterosporous pteridophytes that are leptosporangiate
II. Heterosporous pteridophytes were the first land flora of earth
III. The difference in size between microspore and megaspore in Seleginella kraussiana is 1:200
IV. Female gametophyte of Seleginella mostly have single archenogium
Which of the above statement are correct? Show Answer


Q573) Which of the following is an algal parasite? Show Answer


Q574) Mannitol is the stored food in Show Answer


Q575) Select the correct sequential arrangement of reproductive structures for pteridophytes Show Answer


Q576) In gymnosperms, the seeds are naked because they lack Show Answer


Q577) The relationship between the alga Microcystis and the surrounding fauna corresponds to Show Answer


Q578) Bryophytes resemble algae in the following aspect. Show Answer


Q579) Algae are also found in association with Show Answer


Q580) The bryophytes are divided into Show Answer


Q581) Consider the following statements
I. In red algae vegetative reproduction takes place by fragmentation
II. In red algae the food is stored as floridean starch, which is very similar to amylopectin and glycogen is
structure
III. Cell wall of red algae consists of chitin
Which of the statements given above are correct? Show Answer


Q582) In Selaginella, trabeculae are the modification of Show Answer


Q583) Which one of the following formed in Spirogyra is different based on its nucleus? Show Answer


Q584) During development of embryo in archegonium of Bryophyta, its posterior part form protective embryo
cover, which is called Show Answer


Q585) Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus belongs to the class Show Answer


Q586) Sexual reproduction in Spirogyra is an advanced feature because it shows Show Answer


Q587) Buxbaumia aphylla is a classical example of Show Answer


Q588) Elater mechanism or spore dispersal is exhibited by Show Answer


Q589) Which of the following can be regarded as seedless vascular plants? Show Answer


Q590) Fern gametophyte shows …… nature. Show Answer


Q591) The peculiar feature of Marchantia palmata is Show Answer


Q592) Chlorophyll-a, chlorophyll-d and phycoerythrin are characteristics of class Show Answer


Q593) Ramenta is the characteristic of Show Answer


Q594) Sperm of Cycas is Show Answer


Q595) Archegoniophore is present in Show Answer


Q596) In Pinus, male cone bears a large number of Show Answer


Q597) Which one pair of examples will correctly represent the grouping spermatophyta according to one of the
schemes of classifying plants? Show Answer


Q598) Read carefully the following statements about pteridophytes
I. They are called vascular cryptogams
II. They produce spores rather than seeds
III. They are used for medicinal purposes
IV. They are used as soil binders
V. They are frequently grown as ornaments
Which of the statements given above are correct? Show Answer


Q599) Corolloid roots are found in Show Answer


Q600) Leaf in young condition in fern is called Show Answer


Q601) Both apospory and apogamy are observed in Pteris.
They are evident by the production of haploid sporophyte by apospory and diploid
gametophyte by apogamy. Show Answer


Q602) Red algae contributes in producing coral reefs.
Some red algae secrete and deposit calcium carbonate over their walls. Show Answer


Q603) In class-Rhodophyceae, cell wall is made up of cellulose
In class-Rhodophyceae flagellar number is two and position of insertion is lateral Show Answer


Q604) Lycopodium is heterosporous
Selaginella is homosporous Show Answer


Q605) Fertilization in Cycas in called zooidogamy
Fertilization in Cycas takes place by the formation of pollen tube. Show Answer


Q606) In Spirogyra, some cells in one of the two filaments become empty after conjugation.
The aplanogametes from the cells of one filament pass through the conjugation tubes into
the cells of the other filament. Show Answer


Q607) Certain marine brown and red algae produce large amounts of hydrocolloids
Algin and carrageenin are used commercially as water holding substance Show Answer


Q608) Conjugation is a temporary union between two ciliates belonging to two different mating
types for the exchange and reconstitution of nuclear materials.
Conjugation occurs between two inactive individuals which have gained their vigour and
vitality due to chromosomal imbalance in their macronuclei, caused by repeated amitotic
division. Show Answer


Q609) The life cycle of Funaria is called diplohaplontic.
In Funaria , there is alternation of haploid gametophytic and diploid sporophytic phases,
one becoming parent of the other. Show Answer


Q610) Bryophytes are the amphibians of plant kingdom
They are found in swamps and the areas, where water and land meet Show Answer


Q611) The term Bryophyta was used first time by Brawn (1864)
He included algae, fungi, lichens and mosses in bryophytes Show Answer


Q612) Angiosperms differ from gymnosperms in Show Answer


Q613) Which of the following statements are true/false?
I.Trimerous condition of floral whorl is characteristic of dicotyledons.
II.Adiantum is also called walking fern.
III.In gymnosperms, the vascular system consists of xylem without vessels and phloem with companion
cells.
IV.Riccia and Marchantia are liverworts. Show Answer


Q614) Pick out the wrong statement. Show Answer


Q615) Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence.
A. Prothallus stage
B. Meiosis in spore mother cells
C. Fertilisation
D. Formation of archegonia and antheridia in gametophyte.
E. Transfer of antherozoids to the archegonia in presence of water.
Choose the correct answer from the options given below:
Show Answer


Q616) The correct sequence of events in the life cycle of bryophytes is
A. Fusion of antherozoid with egg.
B. Attachment of gametophyte to substratum.
C. Reduction division to produce haploid spores.
D. Formation of sporophyte.
E. Release of antherozoids into water.
Choose the correct answer from the option given below:
Show Answer


Q617) Which one of the following is the characteristic feature of gymnospenns?
Show Answer


Q618) In bryophytes, the gemmae help in which one of the following?
Show Answer


Q619) Which one of the following is not found in Gymnosperms? Show Answer


Q620) Which of the following is the correct match? Show Answer


Q621) Read the following statements and choose the set of correct statements:
In the members of Phaeophyceae,
A. Asexual reproduction occurs usually by biflagellate zoospores.
B. Sexual reproduction is by oogamous method only.
C. Stored food is in the form of carbohydrates which is either mannitol
or laminarin.
D. The major pigments found are chlorophyll a, c and carotenoids and
xanthophyll.
E. Vegetative cells have a cellulosic wall, usually covered on the outside
by gelatinous coating of algin.
Choose the correct answer from the options given below: Show Answer


Q622) Identify the pair of heterosporous pteridophytes among the following: Show Answer


Q623) Given below are two statements : One labelled as Assertion A and the
other labelled as Reason R:
Assertion A : The first stage of gametophyte in the life cycle of moss is
protonema stage.
Reason R : Protonema develops directly from spores produced in
capsule.
In the light of the above statements, choose the most appropriate
answer from options given below: Show Answer


Q624) Which classes of algae possess pigment fucoxanthin and pigment
phycoerythrin, respectively? Show Answer


Q625) Which of the following statements is true? Show Answer


Q626) The phenomenon which is influenced by auxin and also played a major
role in its discovery : Show Answer


Q627) Which of the following statements is not correct? Show Answer


Q628) Hydrocolloid carrageen is obtained from Show Answer


Q629) Which of the following is incorrectly matched? Show Answer


Q630) Gemmae are present in Show Answer


Q631) Which of the following algae contains mannitol as reserve food
material? Show Answer


Q632) Which of the following algae produce Carrageen? Show Answer


Q633) Which of the following pairs is of unicellular algae? Show Answer


Q634) Floridean starch has structure similar to Show Answer


Q635) Strobili or cones are found in Show Answer


Q636) Pinus seed cannot germinate and establish without fungal association.
This is because: Show Answer


Q637) Phloem in gymnosperms lacks: Show Answer


Q638) Which one is wrongly matched? Show Answer


Q639) After karyogamy followed by meiosis, spores are produced exogenously
in Show Answer


Q640) An example of colonial alga is Show Answer


Q641) Select the mismatch
a) Cycas - Dioecious
b) Salvinia - Heterosporous
c) Equisetum - Homosporous
d) Pinus - Dioecious Show Answer


Q642) Zygotic meiosis is characteristic of Show Answer


Q643) Life cycles of Ectocarpus and Fucus respectively are Show Answer


Q644) Conifers are adapted to tolerate extreme environmental conditions
because of Show Answer


Q645) Which one of the following statements is wrong? Show Answer


Q646) Select the correct statement. Show Answer


Q647) In bryophytes and pteridophytes, transport of male gametes requires Show Answer


Q648) Which one of the following statements is wrong? Show Answer


Q649) In which of the following, gametophyte is not independent free living? Show Answer


Q650) Read the following five statements (A to E) and select the option with all
correct statements.
A. Mosses and lichens are the first organisms to colonise a bare rock.
B. Selaginella is a homosporous pteridophyte.
C. Coralloid roots in Cycas have VAM.
D. Main plant body in bryophytes is gametophytic, whereas in
pteridophytes it is sporophytic.
E. In gymnosperms, male and female gametophytes are present within
sporangia located on sporophyte. Show Answer


Q651) Male gametes are flagellated in Show Answer


Q652) Winged pollen grains are present in Show Answer


Q653) In angiosperms, root hairs arise from which one of the following regions of the root?
Show Answer


Q654) In which one of the following, the ovules are not enclosed by an ovary wall and remain exposed?
Show Answer