Practice Test


Q1) two kingdom classification was given by Show Answer


Q2) In the five kingdom classification the members in Kingdom Animalia are eukaryotic, heterotrophic and Show Answer


Q3) Out of the following which system shows the phylogenetic relationship between organisms ? Show Answer


Q4) The five kingdom classification is based on Show Answer


Q5) The five kingdom classification was introduced by Show Answer


Q6) Phylogenetic system of classification was first used by Show Answer


Q7) The filamentous bacteria are Show Answer


Q8) For Baker's yeast, Saccharomyces denotes Show Answer


Q9) Which of the following is not a character of Protista ? Show Answer


Q10) The evoluionary history of a group organisms is called Show Answer


Q11) In Kingdom Protista, the locomotory organs are Show Answer


Q12) Protists obtain their food as Show Answer


Q13) The kingdom which is a link between prokaryotes and multicellular eukaryotes is Show Answer


Q14) Which one of the following has characters of both plants and animals ? Show Answer


Q15) Nutrition in amoeba is Show Answer


Q16) In fungi, the food material is stored in the form of Show Answer


Q17) Some fungi have no cross walls in their hyphae. These hyphae are called Show Answer


Q18) Fungi differ from other kingdoms in being Show Answer


Q19) Main component of cell wall in fungi is Show Answer


Q20) Heterotrophic fungi can live as Show Answer


Q21) Which cell organelle is absent in Kingdom fungi ? Show Answer


Q22) In fungus, the cell wall consists of Show Answer


Q23) The fungi are seprated from Planate on the basis of Show Answer


Q24) Which is not a correct match ? Show Answer


Q25) Extracellular digestion is observed in kingdom Show Answer


Q26) Multicellular eukaryotics decomposers belong to kingdom Show Answer


Q27) The kingdom of true multicellular producers is Show Answer


Q28) All producers are included in kingdom Show Answer


Q29) Whittaker proposed the _______ system of classification. Show Answer


Q30) Plants are Show Answer


Q31) Multicellular life forms are evolved from Show Answer


Q32) Which one of the following is a member of protista ? Show Answer


Q33) In five kingdom classification, Protista comprises of Show Answer


Q34) Classification deals with Show Answer


Q35) The blue green algae are included in the Kingdom Show Answer


Q36) Diatoms are _____ in colour. Show Answer


Q37) In whittaker's classification, the unicellular organism having various cell organelles constitute the Kingdom. Show Answer


Q38) _______ was first to use the word lichen. Show Answer


Q39) The algal component of lichen is known as Show Answer


Q40) The symbiotic association of fungi and algae is called Show Answer


Q41) Most of the lichens consists of Show Answer


Q42) Which one of the following statement is not true about lichens ? Show Answer


Q43) Lichens are well known combination of an algae and a fungus where fungus has Show Answer


Q44) The lichens which are dorsiventrally flattened, leafy and having rhizines for attachment are called as Show Answer


Q45) Lichen is Show Answer


Q46) Short twisted strands of hyphae which serves as anchors for lichen are Show Answer


Q47) Which of the following take part in the symbiosis in lichens ? Show Answer


Q48) Lichens are described as an indicator of Show Answer


Q49) Foliose is a morphological type of Show Answer


Q50) Lichen and mycorrhiza show Show Answer


Q51) Out of the following which lichens are sterile ? Show Answer


Q52) Which lichens are called leafy lichen ? Show Answer


Q53) Which is not true about habitat of lichens ? Show Answer


Q54) Some ________ contain anticarcinogenic property. Show Answer


Q55) Viruses were discovered by Show Answer


Q56) The term virus was first used by Show Answer


Q57) Which one from the following statement is correct about viruses ? Show Answer


Q58) Influenza is caused by Show Answer


Q59) Virus envelope is known as Show Answer


Q60) Tobacco mosaic virus (TMV) is Show Answer


Q61) Viruses are essentially made up of Show Answer


Q62) Which of the following statement indicates that viruses are living ? Show Answer


Q63) An interesting features of virus is that Show Answer


Q64) The group of viruses which attacks bacteria are called Show Answer


Q65) Plant viruses have Show Answer


Q66) Animal viruses are Show Answer


Q67) Out of the following which is not a correct statement with reference to viruses ? Show Answer


Q68) Viruses are Show Answer


Q69) Animal viruses show Show Answer


Q70) AIDS is caused by Show Answer


Q71) Viroid was discovered and named by Show Answer


Q72) Viroids have Show Answer


Q73) Potato spindle tuber disease is caused by Show Answer


Q74) Who obtained the viruses in crystalline form ? Show Answer


Q75) Which of the following statements is NOT TRUE ? Show Answer


Q76) Which feature is CORRECT about common names for organisms ? Show Answer


Q77) Which of the following is a TRUE statement with references to binomial nomenclature ? Show Answer


Q78) Scientific name of gram plant is arietinum L. Which special feature is indicating by the name ? Show Answer


Q79) Classification reflecting the inter-relationships of organisms is called as Show Answer


Q80) Membrane bound organelles are absent in Show Answer


Q81) Amoeba and paramoecium are included in Kingdom. Show Answer


Q82) Single celled eukaryotes are included in Show Answer


Q83) Primitive nucleus, DNA without histone proteins, absence of membrane bound cell organelles are the characters of Kingdom Show Answer


Q84) Multicellular eukaryotic consumers belong to Kingdom Show Answer


Q85) What of the following statements is NOT TRUE about Euglena ? Show Answer


Q86) Which statement is NOT TRUE about lichens ? Show Answer


Q87) The detailed structure of virus was studied only after the invention of Show Answer


Q88) Which of the following is a plant virus ? Show Answer


Q89) Which of the following is a viral disease ? Show Answer


Q90) Which of the following statement is not true about PSTV ? Show Answer


Q91) Fungi can be distinguished from algae because of Show Answer


Q92) Fungi imperfecti includes Show Answer


Q93) Which of the following is a non-hyphal unicellular fungus? Show Answer


Q94) HIV is classified as a retrovirus because its genetic information is carried in Show Answer


Q95) Consider the following statements
I. Mycelium is branched and septate
II. The asexual spores are generally not formed
III. Vegetative reproduction takes place by framentation
IV. Sex organs are absent but sexual reproduction takes place by somatogamy
V. Karyogamy and meiosis takes place in basidium to form haploid four basidiospores
Vi. Basidia are arranged in fruiting bodies called basidiocarp
The above statements are assigned to Show Answer


Q96) Aristotle classified the plants on the basis of their morphological characters and categorised them into Show Answer


Q97) Citrus canker is a Show Answer


Q98) Which is correct? Show Answer


Q99) African sleeping sickness is caused by Show Answer


Q100) Read the following statement about bacteria and select the correct option Show Answer


Q101) Virus consists of Show Answer


Q102) Parasitic and saprophytic conditions are more familiar in Show Answer


Q103) According to five kingdom classification bacteria belong to Show Answer


Q104) Which of the following is a free living nitrogen fixing bacterium present in the soil? Show Answer


Q105) The genetic material of rabies virus is Show Answer


Q106) All of the following fungi belongs to Phycomycetes, except Show Answer


Q107) Which is correct for bacteria? Show Answer


Q108) Consider the following statements
I. In this group, the Plasmodium differentiates and forms fruiting bodies, bearing spores at their tips
II. Spores possess true walls
III. The spores are dispersed by air currents
IV. The spores are extremely resistant and survive for many years even under adverse conditions
The above statements are assigned to Show Answer


Q109) Purified antibiotic penicillin of Penicillium notatum was discovered by Show Answer


Q110) Which of the following is an edible fungi?
Show Answer


Q111) Animal cells do not have Show Answer


Q112) State whether the given statements are true or false
I. Five kingdom system of classification did not differentiated between the heterotrophic group, fungi and
the autotrophic green plants, through they showed a characteristic difference in their walls composition.
II. Fungi wall contains chitin, while the green plants has a cellulosic cell wall Show Answer


Q113) Under favourable conditions slime moulds form Show Answer


Q114) Which of the following class of fungi helps in mineral cycling? Show Answer


Q115) Red tide in warms coastal water is caused due to the rapid multiplications of Show Answer


Q116) Which of the following groups are placed under the kingdom-Protista? Show Answer


Q117) Which of the following statements is correct with respect to Colletotrichum falcatum? Show Answer


Q118) The disease caused by Trypanosoma is
Show Answer


Q119) Kingdom-Monera consists of Show Answer


Q120) Slimy mass of protoplasm with many nuclei and an Amoeba −like thalloid body is a characteristic feature
of Show Answer


Q121) The bacteria that can reside in extreme salty areas are called as Show Answer


Q122) Potato leaf roll or leaf curl of papaya are caused by Show Answer


Q123) The given statements describes a group of organism
I. Instead of a cell wall, they have a protein rich layer called pellicle which makes their body flexible
II. They have two flagella a short and a long one
III. They are photosynthetic in the presence of sunlight, when deprived of sunlight they behave like
heterotrophs by predating on other smaller organism
Which of the following group is referred here?
Show Answer


Q124) In the light of recent classification of living organisms into three domains of life (bacteria, archaea and
eukarya), which one of the following statement is true about archaea? Show Answer


Q125) Which of the following statement is correct?
Show Answer


Q126) In five kingdom system of classification of R H Whittaker, how many kingdoms contain eukaryotes? Show Answer


Q127) Contagium vivum fluidum concept of virus was proposed by Show Answer


Q128) Read the following statements regarding archaebacteria and select the correct option
I. Archaebacteria differs from other bacteria in having different cell wall structure
II. Their cell wall is made up of cellulose and contains high amount of unsaturated fatty acid, which is
responsible for their survival in extreme conditions
III. Thermoacidophiles have dual ability to tolerate high temperature as well as high acidity
Show Answer


Q129) In addition to absence of chlorophyll, what is the other difference between fungi and higher plants? Show Answer


Q130) Identify from the following examples, a fungus, which is of medicinal importance Show Answer


Q131) Kingdom-Protista includes Show Answer


Q132) What is common about Trypanosoma, Noctiluca Monocystus and Giardia?
Show Answer


Q133) Analyse the following statements and identify the correct options given below
I. Two kingdom system of classification did not distinguish between the eukaryotes and prokaryotes,
unicellular and multicellular organism and green algae and fungi.
II. The two kingdom classification used for a long time was found inadequate
Show Answer


Q134) Slime moulds in the division-Myxomycota (true slime moulds) have Show Answer


Q135) The protein coat of a virus/is known as Show Answer


Q136) The fungus without mycelium is Show Answer


Q137) Which one of the following organisms is scientifically incorrectly named and incorrectly described
Show Answer


Q138) Which one of following has haplontic life cycle? Show Answer


Q139) Analyse the following statements about class-Ascomycetes
I. Mycelium is branched and septate
II. The asexual spores are conidia, produced on the special mycelium called conidiophores
III. Sexual spores are called ascospores which are produced in sac like asci. These asci are arranged in
same types of fruiting bodies called ascocarps
Which of the statements given above are correct Show Answer


Q140) Which of the given statement best describes the gametophytic in the alternation of generation life cycle? Show Answer


Q141) Which of the following does not belong to the kingdom-Protista? Show Answer


Q142) Microphagial nutrition occurs in Show Answer


Q143) Which of the following organisms completely lack cell wall, they are the smallest living cells known and
can survive without oxygen?
Show Answer


Q144) The fungal partner in lichen is called mycobiont whereas algal partner is called Show Answer


Q145) In Basidiomycetes, the vegetative reproduction takes place by Show Answer


Q146) The plant cell have an eukaryotic structure with prominent …A… and cell wall is made up of …B…. Identify
the correct options for A and B to complete the given statement Show Answer


Q147) Which of the following statements are false about viruses?
I. Viruses are facultative parasites
II. Viruses can multiply only when they are inside the living cells
III. Viruses cannot pass bacterial proof filters
IV. Viruses do not contains proteins DNA and RNA Show Answer


Q148) During unfavorable conditions, Amoeba reproduces through Show Answer


Q149) The genetic material of viruses consists of Show Answer


Q150) Viruses have Show Answer


Q151) Which of the following kingdoms have no well defined boundaries? Show Answer


Q152) In Deuteromycetes, the mycelium is Show Answer


Q153) Consider the following statements
I. All prokaryotic organism were grouped together under kingdom-Monera
II. The unicellular eukaryotic organism were placed in kingdom-Protista
III. Chlorella and Chlamydomona, both were having cell walls
IV. Paramecium and Amoeba lack cell walls
V. Kingdom-Protista has brought together
Chlamydomona,
Chlorella with Paramecium and Amoeba
Which of the statements give above are correct? Show Answer


Q154) Regarding sexual reproduction in fungi. Which of the following statement is correct? Show Answer


Q155) Which of the following bacteria plays a main role in recycling the nutrients like nitrogen, phosphorus, iron
and sulphur? Show Answer


Q156) Bacteria differ from plants in that they do not have Show Answer


Q157) Among rust, smut and mushroom, all the three Show Answer


Q158) All the given fungi belongs to Deuteromycetes, except Show Answer


Q159) The body of a fungus is made up of a number of elongated, tubutar filaments called
Show Answer


Q160) All monerans Show Answer


Q161) Which of the following is not the locomotory organ of protozoa? Show Answer


Q162) Slime moulds are dependent on Show Answer


Q163) Which of the following is a bacteriophage? Show Answer


Q164) Fungi show sexual reproduction by all of the following processes except
Show Answer


Q165) Black rust of wheat is caused by a species of the genus Show Answer


Q166) Red tides in warm coastal water develops due to the presence of Show Answer


Q167) Black rust of wheat is a fungal disease caused by Show Answer


Q168) In some fungi, two haploid cells results in diploid cells. In some cases, dikaryon stage occurs in which two
nuclei are present within a cell. This phase is known as Show Answer


Q169) Reproduction in most of the bacteria is by a process known as Show Answer


Q170) All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are
correct, except that Frankia
Show Answer


Q171) The cells of the body of a multicellular fungus are organised into rapidly growing individual filament called Show Answer


Q172) The non-living characteristic of viruses is Show Answer


Q173) Which of the following bacteria are responsible for the production of biogas from the dung of cows and
buffaloes? Show Answer


Q174) Which one is the free-living, anaerobic nitrogen-fixer?
Show Answer


Q175) Edible part of mushroom is
Show Answer


Q176) Which of the following is a symbiotic nitrogen fixer? Show Answer


Q177) Viruses contain Show Answer


Q178) In the five kingdom classification, Chlamydomonas and Chlorella are included in Show Answer


Q179) The accumulated food reserve in fungi is Show Answer


Q180) Yeast is not included in protozoans but in fungi because Show Answer


Q181) The genetic material of AIDS virus is Show Answer


Q182) The benefit of algae in lichen is
Show Answer


Q183) Which of the following groups belongs to protozoans? Show Answer


Q184) A virus differs from a bacterium as it contains Show Answer


Q185) Maximum number of antibiotics are obtained from
Show Answer


Q186) Animals reserve food material in the form of Show Answer


Q187) Concerning general characteristic of plants, which statement is correct
I. Some of these may be partially heterotrophic as in case of insectivorous plants line Venus fly trap
II. They have distinct nucleus, chloroplast and chitinous cell wall Show Answer


Q188) The smallest free-living organism is Show Answer


Q189) The symbiotic relationship between fungi and algae is called Show Answer


Q190) Chitin is present in the cell wall of Show Answer


Q191) Viroids were discovered by Show Answer


Q192) Plants provide protection from fungal disease by producing Show Answer


Q193) Who crystallised and isolated viruses for the first time?
Show Answer


Q194) Select incorrect pair. Show Answer


Q195) Who proposed five kingdom classification and named kingdoms as Monera, Protista, Fungi, Plantae and
Animalia? Show Answer


Q196) Analyse the following statements regarding cyanobacteria and identify the correct option given below
I. The cyanobacteria are unicellular, colonial or filamentous, marine or terrestrial algae
II. The colonies of cyanobacteria are generally surrounded by gelatinous sheath Show Answer


Q197) Some bacteria utilises inorganic substances like nitrate, nitrite, ammonia, etc., for the oxidation and
release of energy for ATP production. These are known as Show Answer


Q198) VAM is
Show Answer


Q199) Ascomycetes is commonly known as Show Answer


Q200) Protozoans are Show Answer


Q201) The parthenospores of Rhizopus are Show Answer


Q202) Bacteria do not have Show Answer


Q203) Viruses and viroids are the non-cellular organisms, which are not characterised in the classification of Show Answer


Q204) Which of the following is correct matched? Show Answer


Q205) Which of these best describes the saprophytic generation in plant’s life cycle? Show Answer


Q206) The type of nutrition, where organisms engulf food materials, is? Show Answer


Q207) Fruiting body of Penicillium is
Show Answer


Q208) Contractile vacuole is absent in Show Answer


Q209) Mycorrhiza are mutualistic and have symbiotic associations between
Show Answer


Q210) Lichen are mutualistic and have symbiotic associations between Show Answer


Q211) An eukaryote, which causes disease comes under Show Answer


Q212) The first attempt to classify organisms on scientific basis was done by Show Answer


Q213) Plants have a/an…… in their life cycle Show Answer


Q214) Bacterial flagella is made up of Show Answer


Q215) Consider the following statements and place them into true and false category
I. The fungi constitutes a unique kingdom of heterotrophic organisms
II. The common mushroom and toad stools are fungi
IIII. White spots seen on mustard leaves are due to presence of parasitic fungus
IV. Some unicellular fungi (Ustilago) are used to make bread and beer
V. Puccinia graminis tritici is responsible for yellow rust of wheat
VI. Penicillium yields the antibiotic penicillin Show Answer


Q216) There exists a close association between the alga and the fungus withina lichen. The fungus
Show Answer


Q217) Which is false for nutrition in Amoeba? Show Answer


Q218) Viruses did not find a place in classification since Show Answer


Q219) Certain bacteria living in the soil poor in oxygen, convert nitrates into nitrites and then to free nitrogen
and such bacteria are termed as
Show Answer


Q220) All are the viral diseases except Show Answer


Q221) …… give the name virus, which means venom or poisonous fluid. Fill in the blank Show Answer


Q222) Which is correct? Show Answer


Q223) Which one of the following does not grow in artificial media? Show Answer


Q224) Silica gel is obtained by Show Answer


Q225) Which pair of the following belongs to Basidiomycetes? Show Answer


Q226) In which of the following kingdoms, diatoms are placed? Show Answer


Q227) The wall of bacteria consist of Show Answer


Q228) Which of the following group always produce an infectious spore like stage in their life cycle? Show Answer


Q229) Protozoans are divided into…… groups. Most suitable word to fill the blank is
Show Answer


Q230) Fungi differs from slime moulds by lacking of Show Answer


Q231) Isogamous means
Show Answer


Q232) Viruses posses Show Answer


Q233) Members of Ascomycetes are Show Answer


Q234) Insectivorous plants are principally
Show Answer


Q235) Bacteria with single flagella at one end is called Show Answer


Q236) Passive food ingestion in Amoeba is known as Show Answer


Q237) Which one of the following combinations of microbes is responsible for the formation and flavor of
yoghurt? Show Answer


Q238) Which of the following is an unicellular sac-fungus? Show Answer


Q239) Find out the correct statement Show Answer


Q240) In which of the following groups, the cell wall has stiff cellulose plate on the outer surface? Show Answer


Q241) Which one of the following are intracellular obligate parasites? Show Answer


Q242) Lichen is the association of Show Answer


Q243) Which of the following statements about plant is false?
Show Answer


Q244) Consider the following statements
I. Biological classification is the scientific ordering of organisms in a hierarchial series of groups on the
basis of their relationships, i. e., morphological, evolutionary and others
II. Whittaker classified organisms on the basis of autotrophic and heterotrophic mode of nutrition
III. In five kingdom system of classification, living organisms can be divided into prokaryotic and
eukaryotic cells on the basis of cell structure
Which of the statements given above are correct? Show Answer


Q245) Which of the following statement is correct? Show Answer


Q246) Which of the following are the commonly known forms of Basidiomycetes? Show Answer


Q247) Fungus/lichen, which grows on wood is Show Answer


Q248) Which of the following fungus is used extensively in biochemical and genetic work? Show Answer


Q249) Which is the hereditary material in bacteria? Show Answer


Q250) Which statement is incorrect? Show Answer


Q251) Identify the fungus, which produces chlamydospores from dikaryotic mycelium. Show Answer


Q252) Cell wall of fungi is made up of Show Answer


Q253) Bacteria are found in Show Answer


Q254) Eubacteria have rigid cell wall made up of Show Answer


Q255) Which of the following are symbiotic bacteria? Show Answer


Q256) Bacterium which reduces nitrates in soil to nitrogen is Show Answer


Q257) Nitrifying bacteria are able to
Show Answer


Q258) Dinoflagellates are mostly ….A… and …B…. Here A and B refers to Show Answer


Q259) Consider the following statements
I. Diatomite is porous and chemically inert. It is therefore, used in filtration of sugar, alcohols, oils, syrups
and antibiotics
II. Diatomite deposits are often accompanied by petroleum fields
III. Desmids are mainly found in dirty water and are, usually indication of polluted water
Which of the statements given above are correct? Show Answer


Q260) The deadliest mushroom is Show Answer


Q261) Arrange the following in correct sequence with reference to sexual reproduction in Rhizopus.
I. Formation of germ tube
II. Formation of zygophores
III. Formation of warty wall layer of zygospore
IV. Secretion of trisporic acid
Show Answer


Q262) Bacteria are helpful in
Show Answer


Q263) Zygospore is
Show Answer


Q264) Pigment present in cyanobacteria is Show Answer


Q265) Which of the following combinations of characters is true for slime moulds? Show Answer


Q266) During unfavourable conditions, slime mould forms …A… which are …B… and survive for many years
Identify A and B to complete the given statement Show Answer


Q267) Term ‘virus’ means Show Answer


Q268) Protein coat of a virus enclosing nucleic acid is called Show Answer


Q269) Which of the following is not matched correctly
Show Answer


Q270) In Phycomycetes, asexual reproduction takes place by zoospores or by aplanospores. Regarding these
spores, consider the following statements and choose the correct option
I. Zoospores are motile and aplanospores are non-motile in nature
II. These spores are endogenously produced in sporangium
Which of the statements are true and false? Show Answer


Q271) Dikaryophase of fungus occurs in Show Answer


Q272) The infective stage of Entamoeba histolytica, is Show Answer


Q273) Which of the following class consists of coenocytic, multinucleate and aseptate mycelium? Show Answer


Q274) Heterotrophic bacteria are dependent on other organism for Show Answer


Q275) Sexual reproduction is present in all fungi classes, except Show Answer


Q276) Free living, aerobic, non-photosynthetic, nitrogen fixing bacterium is Show Answer


Q277) Kingdom-Animalia includes Show Answer


Q278) Black stem rust of wheat is caused by Show Answer


Q279) Which of the following is a bacterial disease? Show Answer


Q280) Slime moulds are Show Answer


Q281) Mode of feeding in free living protozoan, is
Show Answer


Q282) The protein coat of virus is called capsid, which is made up of small sub-units called …A… which protects
the …B….
Identify A and B and complete the given statement
Show Answer


Q283) In Whittaker’s system of classification prokaryotes are placed in the kingdom Show Answer


Q284) Select the incorrect match Show Answer


Q285) I. Commonly known as sac-fungi
II. Mycelium is branched and septate
III. Conidiophore produces conidia exogenously in chain
IV. The fructifications are edible and considered delicacies
V. Neurospora crassa is often employed in studies conducted in experimental genetics
The above statements are assigned to Show Answer


Q286) Sac fungi includes
Show Answer


Q287) The protistan cell body contains
I. a well defined nucleus
II. membrane bound cell organelles
III. flagella or cilia
Correct statement among those written above is Show Answer


Q288) Membrane-bound organelles are absent in Show Answer


Q289) Lactic acid formation is a two steps anaerobic process. Both steps are carried at one stage by Show Answer


Q290) In protozoans like Amoeb and Paramecium which of the following organelle is found for
osmoregulation? Show Answer


Q291) Which is responsible for recycling of material? Show Answer


Q292) Which is correct for the structure of cell wall of bacteria and fungi? Show Answer


Q293) In plants, mosaic formation, leaf rolling and curling yellowing and vein clearing are the symptoms of Show Answer


Q294) Which of the following are correct to describe viruses?
I. Simple and unicellular organism.
II. Contain DNA or RNA and enclosed by protein coat.
III. Possess own metabolic system and respond to stimuli.
IV. Maintain genetic continuity and undergo mutations.
The correct combination is
Show Answer


Q295) Plasmodium is a Show Answer


Q296) Life cycle of Plasmodium is Show Answer


Q297) Contractile vacuole in protozoan Amoeba is ment for Show Answer


Q298) Some bacteria thrive extreme environment conditions such as absence of oxygen, high salt concentration,
high temperature and acidic pH. Identify the type of bacteria Show Answer


Q299) Trypanosoma causes Show Answer


Q300) Secondary mycelium of mushroom produces umbrella like structure called as Show Answer


Q301) Cuscuta is a Show Answer


Q302) In cyanobacteria, which of the following is present? Show Answer


Q303) Which of the following group is considered to be primitive relatives of animals? Show Answer


Q304) Plasmodium Show Answer


Q305) Bakanae disease is caused by Show Answer


Q306) Man in the life cycle of Plasmodium, is Show Answer


Q307) Fungi show asexual reproduction by all of the following kinds of spores except Show Answer


Q308) The genome of bacteriophage can be Show Answer


Q309) Mycorrhiza promotes plant growth by
Show Answer


Q310) Flagellate protozoans are Show Answer


Q311) In fungi, the various types of spores are produced in distinct structures known as Show Answer


Q312) Which one of the following is wrongly matched? Show Answer


Q313) Mosaic disease in tobacco is due to Show Answer


Q314) Mushroom belongs to class Show Answer


Q315) Which of the following pair belongs to the class-Basidiomycetes? Show Answer


Q316) Chief producers in oceans are
Show Answer


Q317) Bacteria are considered plants because they Show Answer


Q318) Red rot of sugarcane is caused by
Show Answer


Q319) In fungi, the network of hyphae is known as Show Answer


Q320) Red rot of sugarcane and white rust of radish are respectively caused by Show Answer


Q321) Identify the diseases that are caused by the organisms of the same sub-division of Eumycota.
I. Citrus canker
II. Red rot of sugarcane
III. Grain smut of sorghum
IV. Black neck of rice Show Answer


Q322) Bacteria which survive in marshy areas and also present in the gut of many ruminant animals like cows
and buffaloes are Show Answer


Q323) In which of the following organisms the cell wall is composed of two thin overlapping shells which fits
together like a soap case
Show Answer


Q324) Which of the following statements about Euglena is true?
Show Answer


Q325) Which one of the following pairs is correctly matched? Show Answer


Q326) Transformation experiment was first performed on which bacteria? Show Answer


Q327) Fungi are classified on the basis of Show Answer


Q328) Deuteromycetes is commonly known as imperfect fungi because Show Answer


Q329) Read the statements given below. Which of these is wrong?
Show Answer


Q330) Leprosy occurs due to Show Answer


Q331) Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the
following kingdom viruses belong to? Show Answer


Q332) Which of the following phenomenon proves that viruses are living?
Show Answer


Q333) I. DJ Ivanowsky (1892) recognised certain microbes as causal organisms of the mosaic disease of tobacco
II. MW Beijerinck (1898) demonstrated that the extract of infected plants of tobacco could cause infection
in healthy plants and called the fluid as Contagium vivum fluidum
III. WM Stanley (1935) showed that these microbes could be crystallised and crystals consist largely of
protein
The above statements are assigned to Show Answer


Q334) Baker’s yeast is Show Answer


Q335) All of the following fungi belongs to Basidiomycetes, except Show Answer


Q336) An example for symbiotic bacteria Show Answer


Q337) Which of the following are the common parasite of class-Basidiomycetes? Show Answer


Q338) In Basidiomycetes, the mycelium is Show Answer


Q339) As a fungus completes its life cycle on two hosts, it is termed as Show Answer


Q340) Which one of the following statements about mycoplasma is wrong? Show Answer


Q341) Plasmid is Show Answer


Q342) Members of Protista are primarily Show Answer


Q343) The RNA like particle, which causes disease is Show Answer


Q344) Protista includes Show Answer


Q345) Tobacco mosaic virus is Show Answer


Q346) HIV has a protein coat and genetic material Show Answer


Q347) Which of the following is a nitrogen fixing organism?
Show Answer


Q348) State whether the given statements are true or false
I. Bacteria shows both autotrophic and heterotrophic nutrition
II. Some of the bacteria are autotrophic. They may be photosynthetic autotrophic or chemosynthetic
autotrophic
III. Heterotrophic nutrition involves the obtaining of readymade organic nutrients from outside sources
Show Answer


Q349) Mycoplasmas are classified under which of the following kingdoms? Show Answer


Q350) Nitrates are converted to nitrogen by
Show Answer


Q351) In which kingdom, would you classify the archaea and nitrogen-fixing organisms, if the five kingdom
system of classification is used Show Answer


Q352) Which of the following are the indicators of pollution? Show Answer


Q353) Viruses are also known as Show Answer


Q354) Which of the following is photoautotrophic bacteria?
Show Answer


Q355) Protists are
I. Unicellular and prokaryote
II. Unicellular and eukaryote
III. Multicellular and eukaryote
IV. Autotroph or heterotroph Show Answer


Q356) Which of the following bacteria fixes nitrogen without any plant association? Show Answer


Q357) Which of the following does not secrete toxins during storage conditions of crop plants?
Show Answer


Q358) Analyse the following statement and identify the correct option given below
I. In diatoms the walls are embedded with silica and thus, the walls are indestructible
II. Diatoms have left behind large amount of cell wall deposits in their habitat, this accumulation over
billions of year is referred to as diatomaceous deposition or diatomaceous earth Show Answer


Q359) In fungi, the fusion of protoplasms between two motile or non-motile gametes is called
Show Answer


Q360) Which one of the following helps in absorption of phosphorus from soil by plants? Show Answer


Q361) Diatomaceous earth is used for all except Show Answer


Q362) Fungal spores produced extremely at the top of hyphae are Show Answer


Q363) The free living thalloid body of the slime mould is known a Show Answer


Q364) Which of the following statement is not true for retroviruses? Show Answer


Q365) Chrysophytes are Show Answer


Q366) Amoeba differs form Entamoeba in having Show Answer


Q367) Single-celled eukaryotes are included in Show Answer


Q368) Plasmids are mostly found in Show Answer


Q369) Consider the following statements about sexual reproduction
I. In class-Phycomycetes, sexual reproduction produces a resting diploid spore called zygospore
II. Zygospores are formed by the fusion of two gametes
III. These gametes are similar in morphology or dissimilar
Which of the statements given above are correct? Show Answer


Q370) Fungi that absorbs soluble organic matter from dead substrates are called Show Answer


Q371) Nif genes occur in Show Answer


Q372) A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water
fernn Azolla is Show Answer


Q373) Consider the following statements about Deuteromycetes
I. Some members are saprophytes or parasites
II. A large number of members are decomposers of litter and help in mineral cycling
III. Alternaria, Colletotrichum, Cercospora and Trichoderma are examples of Deuteromycetes
Which of the above are correct? Show Answer


Q374) Smut and rust belongs to class
Show Answer


Q375) The advantage of fungus in lichen is Show Answer


Q376) Find out the pairs, which are correctly matched?
I. Cyanobacteria –Biopesticides
II. Mycorrhiza – Solubilization of phosphate
III. Bacillus thuringiensis – cry protein
IV. Single cell protein – Rhizobia Show Answer


Q377) Which type of DNA is found in bacteria? Show Answer


Q378) Fungi are divided into four classes on the basis of Show Answer


Q379) Infectious proteins are present in
Show Answer


Q380) In Phycomycetes, asexual repdocution takes place by Show Answer


Q381) Virus was discovered by whom? Show Answer


Q382) What are the successive structure formed in course of sexual reproduction of Rhizopus? Show Answer


Q383) Branched, aseptate, coenocytic mycelium present in Show Answer


Q384) Which one is the most abundant microorganism?
Show Answer


Q385) Viroids differ from viruses in having Show Answer


Q386) Consider the following statements about mycoplasma
I. It is pleuomorphic bacteria, which lacks cell wall
II. Mycoplasma is the smallest living organism
III. They can not survive without oxygen
IV. Many mycoplasma are pathogenic in animals and plants
Which of the statements given above are correct? Show Answer


Q387) Which one of the following does not belong to kingdom-Monera? Show Answer


Q388) AIDS in human is caused by Show Answer


Q389) Cell wall of all fungi are composed of Show Answer


Q390) Prions are Show Answer


Q391) You might find methanogens Show Answer


Q392) Which of the following group of diseases is caused by viruses? Show Answer


Q393) The cyanobacteria are Show Answer


Q394) Which of the following groups of organisms are placed under the group chrysophytes?
Show Answer


Q395) The association mycorrhiza is
Show Answer


Q396) Who proposed two kingdom system of classification and named kingdoms as Plantae and Animalia? Show Answer


Q397) Consider the following statements about slime moulds
I. Plasmodium is found in acellular slime moulds
II. Pseudoplasmodium is found in cellular slime moulds
Which of the statements given above is/are correct? Show Answer


Q398) Which of the following options describes the coenocytic condition in fungus?
Show Answer


Q399) Parasexuality is involved with fusion of
Show Answer


Q400) Consider the following statements about class-Oomycetes?
I. Member may be obligate parasite on plants
II. The mycelium is aseptate and coenocytic
III. Asexual reproduction involves the formation of spore containing sac or sporangia. In aquatic
conditions, the sporangia produces zoospores
Which of the statements given above are correct? Show Answer


Q401) Which one of the following is a characteristics feature of Chrysophytes? Show Answer


Q402) Potato spindle tuber diseases is caused by a Show Answer


Q403) Viruses are no more ‘alive’ than isolated chromosomes because Show Answer


Q404) The hyphae of Rhizopus are Show Answer


Q405) Deuteromycetes is also known as Show Answer


Q406) Retroviruses have genetic material
Show Answer


Q407) Asexual reproduction in fungi occurs by
Show Answer


Q408) Which of the following are the examples of insectivorous plant? Show Answer


Q409) Which of the following characters served as the criteria for five kingdom system of classification as used by Whittaker? Show Answer


Q410) Some of the cyanobacteria blue green algae can fix atmospheric nitrogen in specialised cells called Show Answer


Q411) Eubacteria is also known as Show Answer


Q412) Basidiospores are produced by Show Answer


Q413) Which of the following in the correct sequence of three steps in the sexual cycle of fungi?
Show Answer


Q414) Nostoc and Anabaena belongs to Show Answer


Q415) Cyanobacteria is also known as Show Answer


Q416) Specialized cells called heterocysts are present in Show Answer


Q417) Cellulose is the major component of cell wall of Show Answer


Q418) Claviceps is a member of Show Answer


Q419) Mycorrhiza is found in Show Answer


Q420) Which of the following is a flagellated protozoan? Show Answer


Q421) Which one the following is a red dinoflagellate?
Show Answer


Q422) Paramecium
I. is a ciliated protozoan
II. has a cavity that opens to the outside the cell surface
III. shows water current maintained by cilia which helps the food to be steared into gullet
Which of the statement given above are correct? Show Answer


Q423) Select the false statement Show Answer


Q424) The fungus used for the commercial production of SCP is Show Answer


Q425) Consider the following statement about kingdom-Animalia
I. They are heterotrophic, eukaryotic, multicellular organisms
II. Cells do not have cell walls
III. Mode of nutrition is holozoic
Which of the statements given above are correct? Show Answer


Q426) Consider the following statements
I. Kingdom-Protista forms a link between monerans and the other organisms like plants, animal and fungi
II. Protists reproduce asexually and sexually by a process involving cell fusion and zygote formation
III. Being eukaryotes, the protistan cell body contains a well defined nucleus and other membrane-bound
organelles
Which of the statements given above are correct? Show Answer


Q427) Cyanobacteriun is an Show Answer


Q428) Which will you look for the sporozoites of the malarial parasite? Show Answer


Q429) Deuteromycetes reproduces only by asexual spores known as Show Answer


Q430) Lichens are composite organisms consisting of a fungus and a photosynthetic partner (algae), growing
together in a symbiotic relationship
Consider the following statements about lichens
I. Lichen are very good air pollution indicators
II. Algal partner and fungal partner live mutually
III. Algae prepares food for fungi
IV. Fungi provides shelter and absorbs water and minerals for algal partner
Which of the statements given above are correct? Show Answer


Q431) Mycorrhiza is an example of Show Answer


Q432) Murein is not found in the cell wall of Show Answer


Q433) Which one of the following forms of the bloom is present in polluted water? Show Answer


Q434) Which of the following is a parasitic fungi of mustard? Show Answer


Q435) Which of the following protist release toxins that may even kill fishes and other marine animal? Show Answer


Q436) Members of Phycomycetes are found
I. In aquatic habitats
II. on decaying wood
III. in moist and damp places
IV. as obligate parasite on plants
Which of the statements given above are correct? Show Answer


Q437) Outer covering of virus made up of protein is Show Answer


Q438) Plasmodium is an Show Answer


Q439) Mucor and Rhizopus are included in class
Show Answer


Q440) On the basis of their shape, bacteria are grouped under…categories Show Answer


Q441) Plasmogamy is the fusion of Show Answer


Q442) Diatoms and desmids are found in Show Answer


Q443) Late blight of potato is caused by
Show Answer


Q444) Paramecium is an aquatic and actively moving organism due to the presence of Show Answer


Q445) Euglena is found in Show Answer


Q446) Five kingdom classification was given by Show Answer


Q447) The bacteria Pseudomonas is useful because of its ability to Show Answer


Q448) In fungi, the fusion of two nuclei is called Show Answer


Q449) Euglenoid species that have chlorophyll are Show Answer


Q450) Where the members of Basidiomycetes are grown Show Answer


Q451) Plasmids occur in Show Answer


Q452) The fruiting body formed from a filamentous heterotrophic organism, which is known for its nutritive
value for the humanity, is Show Answer


Q453) Phycomycetes is a class in kingdom Show Answer


Q454) The slime moulds are characterized by the presence of Show Answer


Q455) Consider the following statements
I. Bacteria reproduce only by binary fission
II. Under unfavourable conditions, bacteria produce several types of spores
III. Bacteria reproduce by a sort of sexual reproduction by adopting a primitive type of RNA transfer from
one bacterium to other
Which of the statements given below are correct?
Show Answer


Q456) Amoeba is a/an Show Answer


Q457) Amoeboid protozoans
I. live in freshwater, sea water or moist soil
II. has pseudopodia for locomotion and capturing prey
III. have silica shells on their surface in marine forms
Which of the statements given above are correct? Show Answer


Q458) Colourless, unicellular, cell wall bound spherical or rod-shaped microorganism and lacking organized
nucleus is called
Show Answer


Q459) Encysted, non-motile and non-feeding infectious stage of Entamoeba histolytica is called Show Answer


Q460) TO Diener (1971) discovered a new infections agent that was smaller than viruses
Consider the following statements about this infectious agent
I. It cause pototo spindle tuber disease
II. These are infectious RNA particles
III. It lacks the protein coat
IV. The molecular wt of its RNA is low
The above statements are assigned to Show Answer


Q461) Consider the following statements about Ascomycetes
I. They are saprophytic, decomposer, coprophilous and parasitic
II. Includes unicellular and multicellular forms
III. Mycelium is coenocytic and aseptate
IV. Asper gillus, Claviceps, Neurospora are important examples of Ascomycetes
Which of the statements given above is/are false? Show Answer


Q462) Fungi shows vegetative reproduction by all of the following except Show Answer


Q463) Most abundant bacteria are Show Answer


Q464) The replacement of two kingdom grouping by five kingdom classification was proposed in the year Show Answer


Q465) Difference between virus and viroid is Show Answer


Q466) The thalloid body of a slime mould (Myxomycetes) is known as
Show Answer


Q467) Powdery mildews of crops are caused by
Show Answer


Q468) Enzymes are absent in Show Answer


Q469) Cosmid is Show Answer


Q470) Name the fungus that is edible. Show Answer


Q471) T O Diener discovered a Show Answer


Q472) All eubacteria have Show Answer


Q473) Which of the following plant virus has DNA in it? Show Answer


Q474) Regarding plants, choose the correct statement Show Answer


Q475) Identify the edible and delicate Ascomycetes members Show Answer


Q476) Clamp connections are found in Show Answer


Q477) Carries of Entamoeba histolytica are Show Answer


Q478) Nutrition of Entamoeba is Show Answer


Q479) Chlorophyll-a absent, in which of the following photosynthetic organisms? Show Answer


Q480) Name the class of the Mycota which is commonly called ‘fungi imperfecti’? Show Answer


Q481) Yeast and Penicillium are the example of class Show Answer


Q482) A plasmid Show Answer


Q483) ….. include blue-green algae, which have chlorophyll-a similar to green plants. Complete the given sentence with an appropriate option Show Answer


Q484) A kingdom common to unicellular animals and plants is Show Answer


Q485) The given statements describes a group of organisms
I. The pellicle is composed of fibrous elastic protein lipid or carbohydrates and maintains a definite shape
II. They have two flagella, short and a long one. Each flagellum arises from a basal granule
III. They are connecting link between plants and animals
Which of the following group is referred here?
Show Answer


Q486) Plant like nutrition is present in Show Answer


Q487) Which of the following statement is false?
Show Answer


Q488) Plant virus contains Show Answer


Q489) A new infectious agent that is smaller than virus is Show Answer


Q490) The agents which are known to cause CJD are Show Answer


Q491) Eubacteria includes Show Answer


Q492) Kingdom-Animalia organisms
I. are capable of Iocomotion
II. have specialised sensory and neuromotor system
III. shows sexual mode of reproduction
IV. show the sexual reproduction by copulation of male and female followed by embryological
development
Which of the statements given above are correct Show Answer


Q493) Multinucleated filament of Rhizopus is Show Answer


Q494) Yeast belongs to
Show Answer


Q495) Dinoflagellates have Show Answer


Q496) The sub-unit of capsid is called Show Answer


Q497) Which one of the following is not commercially produced by yeast? Show Answer


Q498) Industrial production of ethanol from starch is brought about by certain species of Show Answer


Q499) The autonomously independent self-replicating extra nuclear DNA imparting certain factors to some
bacterium is called
Show Answer


Q500) The kingdom of prokaryotes is Show Answer


Q501) Heterocysts present in Nostoc are specialised for Show Answer


Q502) A peculiar odour that prevails in marshy areas and cow-sheds is on account of a gas produced by Show Answer


Q503) Fungi that absorbs nutrients directly from the living host cytoplasm are called Show Answer


Q504) Which of the following is a slime mould? Show Answer


Q505) Analyse the following statements and identify the correct option given below.
I. Viruses that infects plants have single-stranded RNA and viruses that infects animals have either single
or double-stranded RNA or double stranded DNA
II. Bacterial viruses or bacteriophase are usually single-stranded RNA viruses Show Answer


Q506) Lichen is the pioneer vegetation on which succession?
Show Answer


Q507) Which of the following conditions would be favoured by thermoacidophiles? Show Answer


Q508) Statement 1: The fungi are widespread in distribution and they even live on or inside other plants and
animals
Statement 2: Fungi are able to grow anywhere on land, water or on other organisms because they have
a variety of pigments, including chlorophyll, carotenoids fucoxanthin and phycoerythrin.
Show Answer


Q509) Statement 1: Euglena is a plant due to presence of chlorophyll.
Statement 2: Euglena cannot be classified on the basis of two kingdom system. Show Answer


Q510) Statement 1: The true nucleus is generally absent in E. coli and other prokaryotes.
Statement 2: An undifferentiated, unorganized fibrillar nucleus without any limiting membrane is
observed in prokaryotic cells. Show Answer


Q511) Statement 1: Euglena is a plant due to the presence of chlorophyll
Statement 2: Euglena can not be classified on the basis of two kingdom system Show Answer