Practice Test

Q1) Which of the following is the correct sequence of layers in typical monocot root (from outer surface to inside)? Show Answer

Q2) Meristematic tissues are found in Show Answer

Q3) Meristematic cells contain Show Answer

Q4) Meristems may be classified on the basis of Show Answer

Q5) Meristems are classified as _________ on the basis of their origin. Show Answer

Q6) Which meristems are arranged parallel to the longitudinal axis of plant in stem and branches ? Show Answer

Q7) Meristem present since embryonic condition is called Show Answer

Q8) Apical meristem, intercalary meristem and lateral meristems are differentiated on the basis of Show Answer

Q9) Undifferentiated ground tissue is found in Show Answer

Q10) Promeristem gives rise to which meristem ? Show Answer

Q11) The cell wall of meristematic tissue consist of Show Answer

Q12) Ground meristem gives rise to Show Answer

Q13) The meristem that is parallel to the longtudinal axis of the plant is Show Answer

Q14) Find the CORRECT match. Show Answer

Q15) The meristem which leads to secondary growth is Show Answer

Q16) Collenchyma cells are Show Answer

Q17) Mechanical tissue consisting of living cells is Show Answer

Q18) Collenchyma differs from parenchyma with respect to Show Answer

Q19) The tissue which provides mechanical strength is Show Answer

Q20) Spongy tissues is a type of Show Answer

Q21) Aerenchyma is helpful to plants by Show Answer

Q22) Simple dead permanent tissue is Show Answer

Q23) Tapering ends in xylem are in Show Answer

Q24) Food conducting tissue is Show Answer

Q25) Companion cells are always associated with Show Answer

Q26) A tracheids is distinguished from a vesses element on the basis of Show Answer

Q27) Vessels and companion cells are the chracteristic features of Show Answer

Q28) Living member of the phloem tissue is Show Answer

Q29) Phloem contains Show Answer

Q30) Permanent tissue which serves for mechanical strength and rigidity is Show Answer

Q31) A simple, living mechanical tissue is Show Answer

Q32) Water conducting tissue is Show Answer

Q33) Nucleus is present in Show Answer

Q34) Dead lignified tissues is Show Answer

Q35) Phloem in the plant does the function of Show Answer

Q36) Protoxylem vessels show ________ thickening. Show Answer

Q37) Out of the following which is the most advanced type of thickening ? Show Answer

Q38) Vessels are absent in Show Answer

Q39) Sclereids are present in Show Answer

Q40) What is NOT TRUE about sclereids ? Show Answer

Q41) Living tissue with lignin deposition at corners, absence of intercellular spaces are the characteristic of Show Answer

Q42) The most simple and primitive tissue which is present in all parts of plant is Show Answer

Q43) Parenchyma cells are Show Answer

Q44) The most important characteristic of meristematic cell is that Show Answer

Q45) ________ is deposited on the cell wall of xylem. Show Answer

Q46) Which of the following statement is TRUE ? Show Answer

Q47) Companion cells are present in Show Answer

Q48) Parenchyma with abundant chlorplasts is called Show Answer

Q49) Intercellular spaces are found in Show Answer

Q50) _______ is also called fundamental tissue. Show Answer

Q51) Sieve tubes are absent in Show Answer

Q52) ______ are used for making ropes. Show Answer

Q53) In collateral vascular bundles, Show Answer

Q54) A bundle in which xylem is sandwiched by pholem on both the side is known as _______ bundle. Show Answer

Q55) Radical vascular bundles are found in Show Answer

Q56) Radical vascular bundles are the characteristic of Show Answer

Q57) Concentric bundles are always Show Answer

Q58) What do you mean by closed vascular bundle ? Show Answer

Q59) What is the meaning of hadrocentric vascular bundle ? Show Answer

Q60) Epiblema is the characteristic of Show Answer

Q61) In dicot root vascular bundles, Show Answer

Q62) Pith is large and well developed in Show Answer

Q63) In which of the following characters can a monocot root be differentiated from dicot root ? Show Answer

Q64) In a typical dicot stem, Show Answer

Q65) The arrangement of xylem in dicot stem is Show Answer

Q66) Monocot stem lacks Show Answer

Q67) In dicot stem the vascular bundles are Show Answer

Q68) In a dicot stem, the vascular bundles are Show Answer

Q69) Monocot plant show ______ type of leaves. Show Answer

Q70) A typical monocot leaf differs from dicot leaf by Show Answer

Q71) Generally in monocots, the leaves are Show Answer

Q72) The vascular bundles of leaf are Show Answer

Q73) Find out the pair which is NOT CORRECT. Show Answer

Q74) Casparian strips are present in Show Answer

Q75) Sunn hemp fibres are obtained from: Show Answer

Q76) In a short meristem, protoderm gives rise to Show Answer

Q77) When phloem is present on both sides of the xylem, the vascular bundle is said to be Show Answer

Q78) The intercalary meristem results in Show Answer

Q79) Collenchyma differs from sclerenchyma in Show Answer

Q80) If parenchyma cells are green in colour, they are known as Show Answer

Q81) Cork cells are Show Answer

Q82) The living components of xylem are Show Answer

Q83) Companion cells are present alongside the Show Answer

Q84) The conductive tissue present in gymnosperms consists of Show Answer

Q85) The xylem that is formed from procambium and has lignified cell walls is known as Show Answer

Q86) The phloem formed from vascular cambium is known as Show Answer

Q87) The casparian rings are found in Show Answer

Q88) Alburnum is also called as Show Answer

Q89) Soft wood is associated with Show Answer

Q90) The annual rings are bands of Show Answer

Q91) The casparian rings are present in Show Answer

Q92) The stele consist of Show Answer

Q93) The fascicular cambium is present Show Answer

Q94) The vascular bundles of a dicot stem are Show Answer

Q95) The function of cork cambium is to produce Show Answer

Q96) Pith is small or absent in Show Answer

Q97) A dorsiventral leaf is identified by the presence of Show Answer

Q98) A dicot root can be identified by Show Answer

Q99) Meristematic tissue are Show Answer

Q100) In Dicot stem, the xylem is Show Answer

Q101) Interxylary as well as intraxylary phloem is present in Show Answer

Q102) The sclerenchyma of the hypodermis in the Pinus needle helps in Show Answer

Q103) A mature sieve tube differs from a vessel in Show Answer

Q104) Velamen tissue is found in Show Answer

Q105) G H Shull observed inbreeding depression in a plant. Miller and Letham isolated a hormone from the immature seeds of that plant. Which of the following characters is not associated with the plant? Show Answer

Q106) Quiescent centre is found in plants at Show Answer

Q107) Complementary cells are associated with Show Answer

Q108) At maturity, the sieve plates become impregnated with Show Answer

Q109) The tunica-corpus theory was proposed by Show Answer

Q110) This is a specialised tissue found in the mesophyll of Cycas and Pinus leaves. Show Answer

Q111) Simple sieve plate with single perforation is present in Show Answer

Q112) From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. The angiosperms have Show Answer

Q113) Viral infection is usually absent in Show Answer

Q114) The cells without nuclei are present in Show Answer

Q115) Axillary bud and terminal bud are derived from the activity of Show Answer

Q116) Lignification is associated with Show Answer

Q117) The roots of angiosperms show exarch xylem and their stems have endarch bundles. These are continuous throughout the change occurs in Show Answer

Q118) Which of the following is the region of cell division? Show Answer

Q119) A leaf primordium grows into adult leaf lamina Show Answer

Q120) Velamen and spongy tissue is found in Show Answer

Q121) Which is true for Meristematic tissue? Show Answer

Q122) Periderm is produced from Show Answer

Q123) Which combination of tissues acts together to provide the support to the hypocotyl of a seedling Show Answer

Q124) In which of the following, root system is poorly developed? Show Answer

Q125) Hardness of seed coats is due to the presence of Show Answer

Q126) Fusiform initial forms Show Answer

Q127) Study the following columns and choose the correct combination.
Tissue Structural Feature function
1.Collen-chyma Cell walls with
high water content Photosy-nthesis in young stems
2.Parenc-hyma Suberised cell walls Storage of food
3.Scleren-chyma Lignified cell walls Mechanical strength
4.Digestive glands Dense cytoplasm Breaking the substrate without water
Show Answer

Q128) Companion cells in plants are associated with Show Answer

Q129) A common structural feature of vessel elements and sieve tube elements is Show Answer

Q130) Phloem conducts food by Show Answer

Q131) Which of the following cell do not respire? Show Answer

Q132) Mark the correct sequence of layers found in root anatomy. Show Answer

Q133) Fascicular, interfascicular and extra-stelar cambium together constitutes Show Answer

Q134) In the sieve elements, which one of the following is the most likely function of P-proteins? Show Answer

Q135) The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is Show Answer

Q136) The difference in phloem of gymnosperms and angiosperms is due to Show Answer

Q137) Intercalary meristem results in Show Answer

Q138) Examples for lateral meristems are Show Answer

Q139) The term leptome is used for Show Answer

Q140) Largest number of chloroplast is found in Show Answer

Q141) Quiescent centre is present in Show Answer

Q142) Fibres associated with phloem are………fibres. Show Answer

Q143) Velamen is found in Show Answer

Q144) The function of a vessel is conduction of Show Answer

Q145) Vessels are found in Show Answer

Q146) Bamboo and grasses elongate by the activity of Show Answer

Q147) Vascular cambium in roots takes its origin from Show Answer

Q148) ‘Quiescent centre theory’ was proposed by Show Answer

Q149) P-proteins are associated with Show Answer

Q150) Aerenchyma is helpful in plants by Show Answer

Q151) Compound sieve plates are found in Show Answer

Q152) The tissue which perpetuates itself by active cell division is Show Answer

Q153) Cork tissue arises from Show Answer

Q154) Periderm includes Show Answer

Q155) The meristem, in which the cells divide in several planes is Show Answer

Q156) Which of the following statements is true? Show Answer

Q157) The chief function of sieve tube element is to Show Answer

Q158) Identify from the following, a plant tissue in which lignin does not occur in the cell walls? Show Answer

Q159) Collenchyma is Show Answer

Q160) Length of petiole increases due to division of Show Answer

Q161) Tyloses thickenings are seen in Show Answer

Q162) The quiescent centre in root meristem serves as a Show Answer

Q163) Phytotron is Show Answer

Q164) The phloem of angiosperms differs from that of other vascular plants by the presence of Show Answer

Q165) Complex tissue includes Show Answer

Q166) Meristem consists of Show Answer

Q167) Intercalary meristem is a derivative of Show Answer

Q168) Quiescent centre is a Show Answer

Q169) The length of different internodes in a culm of sugarcane is variable because of Show Answer

Q170) The apical meristem of the root is present Show Answer

Q171) Root caps are absent in Show Answer

Q172) The histogens are classified on the basis of Show Answer

Q173) The jute fibres anatomically are Show Answer

Q174) The waxy material deposited in the Casparian strip of the endodermis is Show Answer

Q175) Casparian thickenings are found in the cells of Show Answer

Q176) Which of the following plants shows multiple epidermis? Show Answer

Q177) Which of the following cells is an epidermal cell containing chloroplast? Show Answer

Q178) Cuticle is secreted from Show Answer

Q179) Damaged sieve tubes are sealed by deposition of Show Answer

Q180) Vessels differ from tracheids Show Answer

Q181) The chief water conducting elements of xylem in gymnosperms are Show Answer

Q182) Meristematic cells have Show Answer

Q183) Which of the following is true? Show Answer

Q184) Which of the following is not a part of epidermal tissue system? Show Answer

Q185) Lamellar collenchyma is seen in the stem of Show Answer

Q186) Which of the following would be in significant amount in xylem sap? Show Answer

Q187) In which of the following organs, growth is sub-apical? Show Answer

Q188) All the following statements regarding sieve tube elements are true except Show Answer

Q189) Amphivasal vascular bundle possess Show Answer

Q190) Bicollateral conjoint vascular bundles have Show Answer

Q191) The vascular bundle, where the phloem is surrounded by xylem is known as Show Answer

Q192) Casparian strips are present in the ……… of the root. Show Answer

Q193) Which type of vascular bundles are found in monocot stem? Show Answer

Q194) Vascular cambium of stem is Show Answer

Q195) In a vascular bundle, if xylem vessels develop in a centripetal fashion, the xylem is likely to be Show Answer

Q196) Vascular bundles in monocotyledons are considered closed because Show Answer

Q197) In the leaf, vascular bundles are found in the Show Answer

Q198) Vascular tissue in higher plants develop from which of the following? Show Answer

Q199) Vascular tissues in flowering plants develop from Show Answer

Q200) The stele is composed of Show Answer

Q201) A vascular bundle without pith is Show Answer

Q202) A bicollateral vascular bundle has the following arrangement of tissues. Show Answer

Q203) The beneficial use of epidermal layer is Show Answer

Q204) Bicollateral vascular bundles are found in the members of this family Show Answer

Q205) Vascular bundle with cambium is called Show Answer

Q206) Vascular bundles, in which xylem and phloem occur as separate bundles are known as Show Answer

Q207) Ground tissue includes Show Answer

Q208) Vascular bundle, in which two patches of phloem are present on both sides of xylem is Show Answer

Q209) Which of the following is not a characteristic feature of bryophytes? Show Answer

Q210) Meristematic tissue in vascular bundle is Show Answer

Q211) Jute is mainly composed of Show Answer

Q212) Casparian strip is found in Show Answer

Q213) Stelar regions are formed from Show Answer

Q214) Lateral roots develop from primordia originated by the division of Show Answer

Q215) Sunken stomata is found in leaves of Show Answer

Q216) Maximum number of vascular bundles are present in Show Answer

Q217) Vascular bundle having phloem at the centre encircled by xylem is known as Show Answer

Q218) Interfascicular cambium is found Show Answer

Q219) Non-articulated laticifers are found in Show Answer

Q220) Tyloses are balloon-like ingrowths in vessels developing from the adjoining Show Answer

Q221) Tyloses an outgrowth from ray or axial parenchyma cell into the lumen of a vessel, which partially or completely blocks the cavity are present in Show Answer

Q222) In woody trees, the exchange of gases between the outer atmosphere and the internal tissue of the stem takes place through Show Answer

Q223) Old dicot roots differ from dicot stem in Show Answer

Q224) Meristematic cells contain more of Show Answer

Q225) Which of the following have sunken stomata? Show Answer

Q226) Motor cells are found in Show Answer

Q227) Desert grasses often roll their leaves due to presence of Show Answer

Q228) Conjoint collateral closed vascular bundle is found in Show Answer

Q229) The large empty and colourless cells present at intervals on the upper surface of grass leaf are called Show Answer

Q230) Palisade parenchyma is absent in leaves of Show Answer

Q231) Bulliform cells found in Show Answer

Q232) The position of protoxylem in leaf is Show Answer

Q233) Root cap is not used in water absorption due to Show Answer

Q234) Two cross-sections of stem and root appear simple, when viewed by naked eye. But under microscope, they can be differentiated by Show Answer

Q235) The internal structure of a plant stem is observed. There is a discontinuous ring of angular collenchyma below the epidermis. Type of vascular bundles are of the same type as in the stems of solanaceous plants. Sieve tube elements possess simple sieve plates, identify the plant Show Answer

Q236) Mesophyll is well differentiated into palisade and spongy tissue in Show Answer

Q237) Identify the plant parts whose transverse section shows a clear and prominent pith. Show Answer

Q238) Exarch and polyarch xylem strands are found in Show Answer

Q239) The inner, darker and harder portion of secondary xylem that cannot conduct water, in an older dicot stem, is called Show Answer

Q240) In dicot stem, vascular bundles are Show Answer

Q241) Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by Show Answer

Q242) The lacunae in vascular bundle of monocot stem is Show Answer

Q243) In grasses, certain adaxial epidermal cells along the veins modify themselves into large empty, colourless cells called Show Answer

Q244) In monocot roots, which type of vascular bundles are found? Show Answer

Q245) Arrange the following plants in ascending order based on the number of xylem strands in their roots.
I.TrapaII. Pisum III.Castanea IV. Nicotiana Show Answer

Q246) The stele found in monocot is Show Answer

Q247) The cork cambium, cork and secondary cortex are collectively called Show Answer

Q248) Old stem on Combretum has Show Answer

Q249) Which is a characteristic of dicots? Show Answer

Q250) Sequence of cellular layers from the periphery towards the cortex in an old dicot stem is Show Answer

Q251) Arrange the following in the order of their location from periphery to centre in the entire dicotyledonous plant body.
I. Fusiform cells II. Trichoblasts III. Collocytes IV.Tyloses
Show Answer

Q252) What differentiates leaf of dicots from monocots? Show Answer

Q253) In monocot stem, which of the following is absent? Show Answer

Q254) In a dicotyledonous stem, the sequence of tissues from the outside to the inside is Show Answer

Q255) In dicotyledonous roots, the initiation of lateral roots takes place in Show Answer

Q256) Cork cambium of dicot originates from Show Answer

Q257) The layer of cells outside the phloem meant for giving rise to the root branches is called Show Answer

Q258) The vascular cambial ring of dicot stem is Show Answer

Q259) In barley stem, vascular bundles are Show Answer

Q260) Cambium activity is highest in Show Answer

Q261) Secondary phloem remains functional generally Show Answer

Q262) Dendrochronology is Show Answer

Q263) In dicot stem, secondary growth is due to the activity of Show Answer

Q264) Diffused porous woods are characteristic of plants growing in Show Answer

Q265) Growth rings are absent or not sharply demarcated in the trees of Show Answer

Q266) Science, which deals with the study of ageing is known as Show Answer

Q267) In the following, how the sapwood is converted into heartwood? Show Answer

Q268) For a critical study of secondary growth in plants, which one of the following pairs is suitable? Show Answer

Q269) The secondary meristem initiates Show Answer

Q270) Alburnum is otherwise known as Show Answer

Q271) Interfascicular cambium is a Show Answer

Q272) A monocot stem with secondary growth is Show Answer

Q273) In an annual ring, the light coloured part is known as Show Answer

Q274) A tree grows at the rate of 0.5 m per year. What will be the height of the board fixed at 1.5 m above the base five years ago? Show Answer

Q275) As secondary growth proceeds in a dicot stem, the thickness of Show Answer

Q276) A nail is driven into the trunk of a 30 years old tree at a point 1 m above the soil level. The tree grows in height at the rate of 0.5m a years. After three years, nail will be Show Answer

Q277) Which tissue gives rise to secondary growth? Show Answer

Q278) Heartwood differs from sapwood in Show Answer

Q279) Which one of the following is the correct sequence of tissues present in dicot stem during secondary growth? Show Answer

Q280) Which is not a characteristic of plant cell walls? Show Answer

Q281) Duramen is present in Show Answer

Q282) The meristem responsible for extra stelar secondary growth in dicot stem is Show Answer

Q283) Removal of ringwood of tissue outside the vascular cambium from the tree trunk kills it because Show Answer

Q284) Cork cambium gives rise to Show Answer

Q285) The age of tree by counting annual rings is called Show Answer

Q286) Growth rings are formed due to activity of Show Answer

Q287) In which of the following, there is no differentiation of bark, sapwood and heartwood? Show Answer

Q288) Cambium activity is Show Answer

Q289) Cambium is a type of Show Answer

Q290) Pith is a central part of the ground tissues generally made up of Show Answer

Q291) I. The 1° and 2° phloem get gradually crushed due to the continued formation and accumulation of 2°
xylem
II. 1° xylem remains more or less intact in or near the centre
III. Secondary growth results in an increase in the length of the axis
Select the correct statements Show Answer

Q292) Cork is used as the stopper for bottles, for shock absorption and insulation because of Show Answer

Q293) Medullary rays are formed by the Show Answer

Q294) The merismatic tissue responsible for the cutting of vascular tissue (xylem and phloem) is called Show Answer

Q295) Secondary phloem of a dicot root is made up of
I. sieve tube
II. companion cell
III. phloem parenchyma
Select the correct option for given statement Show Answer

Q296) The innermost layer of cortex is called Show Answer

Q297) Amphistomatic leaf is Show Answer

Q298) The ring arrangement of vascular bundle is the characteristic feature of Show Answer

Q299) Primary meristem is Show Answer

Q300) I. These tissue are found as layers or patches
II. It consists of cells which are thickened at the corners
III. It often contains chloroplast
IV. Intercellular spaces are absent
V. They provide mechanical support to growing parts of plants
The above characters are attributed to Show Answer

Q301) Medullary or pith ray is the Show Answer

Q302) Which of the function in the given options does not belongs to the monocot root? Show Answer

Q303) Conjoint vascular bundles are common in Show Answer

Q304) In stem, the xylem is Show Answer

Q305) Root apical meristem is derived from the Show Answer

Q306) The growth of root and stem in length with the help of apical meristem is called …A…. Apart from primary
growth most dicotyledonous plant exhibit an increase in girth called …B…
Choose the correct combination of A, B and C in respect to the above paragraph Show Answer

Q307) Which of the following statement is correct? Show Answer

Q308) In monocotyledonous stem, the vascular bundles are Show Answer

Q309) Select the wrong statements
I. Primary and secondary phloem gets crushed during secondary growth
II. During secondary growth, primary xylem remains more or less intact Show Answer

Q310) I. Fat
II. Protein
III. Sugar
IV. Salt
Which of the above is/are present in higher concentration with the meristematic cells? Show Answer

Q311) The cells arranged in multiple layers between the epidermis and pericycle is called Show Answer

Q312) Epidermis is derived from Show Answer

Q313) The activity of cambium in plants is under the control of Show Answer

Q314) Bark includes
I. phellogen
II. phellem
III. secondary phloem
IV. secondary xylem
Select the correct combination Show Answer

Q315) Initiation of lateral roots and vascular cambium during secondary growth organs occurs due to activity of Show Answer

Q316) I. Sunflower seed
II. A wheat leaf
III. Pea plant
IV. Leaf blade of grass
Bulliform cells are present in which of the above plants? Show Answer

Q317) I. Vessel, II. Tracheids, III. Companion cells
Which of the following is/are living cells? Show Answer

Q318) In old trees, the greater part of secondary xylem is dark brown due to the Show Answer

Q319) Conjuctive tissue is made up of Show Answer

Q320) I. Peripheral vascular bundles are smaller than the centrally located vascular bundles
II. Phloem parenchyma is absent
III. Water parenchyma cavities are present within the vascular bundles
Which of the above characters belong to the monocotyledonous stem? Show Answer

Q321) Early wood is formed in dicot plant during Show Answer

Q322) The meristem which is particularly present in the mature regions of roots and shoots and produce woody
axis and appear later than the primary meristem is called Show Answer

Q323) Roots apical meristem occupies the …A… of roots, while shoot apical meristem occupies the distant most
region of the …B… axis
Complete the above sentence with the correct combination of A and B Show Answer

Q324) Vascular bundle in the laves of dicots are surrounded by Show Answer

Q325) Intrafascicular cambium is present in between the Show Answer

Q326) Cambium is present in between Show Answer

Q327) 'Exarch’ is the condition of vascular bundles in which Show Answer

Q328) Select the correct statements
I. Epidermal call have small amount of cytoplasm and a large vacuole
II. Waxy layer cuticle is absent in roots
III. Root hairs are unicellular, while stem hairs/trichomes are multicellular
IV. Trichomes are branched/unbranched, soft/stiff and secretory or transpiration preventive
V. Guard cells are dum-bell-shaped in dicots and bean-shaped in monocots (e.g., grass) Show Answer

Q329) In dicot root, the vascular cambium are Show Answer

Q330) I. Annual rigs are formed as a result of seasonal environmental conditions
II. Tracheids/vessels elements are larger during periods when water is abundant
III. Tracheids/vessels elements have thicker wall during periods of water deprivation
IV. Wood formed in the previous years is darker than newer wood
Select the combination of correct statements from the options given below Show Answer

Q331) Select the incorrect statements
I. Excessive loss of water is prevented by epidermis
II. Stomata develop from epidermal tissue
III. Photosynthesis is one of the primary function of leaf ground tissue
Show Answer

Q332) Which element of xylem is the characteristic feature of angiosperms? Show Answer

Q333) As compared to the dicot root, monocotyledon root have Show Answer

Q334) In roots the Show Answer

Q335) Epidermis is often covered with a waxy thick layer called Show Answer

Q336) I. Protection of internal tissue
II. Prevention of entry of any harmful organism
III. Minimising surface transpiration
IV. Protection against excessive heating up
These are the functions of which of the following? Show Answer

Q337) In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues? Show Answer

Q338) Atactostele type of stele is found in Show Answer

Q339) I. Sieve tube conduct organic food longitudinally
II. Xylem parenchyma cells stores food and help in lateral conduction of sap
Select the correct option Show Answer

Q340) Water impermeable, waxy material secreted by endodermal cells is called Show Answer

Q341) Select the correct statement from the following Show Answer

Q342) Tissues involved in secondary growth is/are
I. intercalary stem
II. vascular cambium
III. cork cambium
Select the correct options from below Show Answer

Q343) Mesophylls of monocotyledon leaf are not differentiated into Show Answer

Q344) In dicot, leaves, protoxylem elements Show Answer

Q345) The wood with lower density is …A… and that of higher density is …B…
Choose the correct combination of options for A and B Show Answer

Q346) The protoxylem and metaxylem in the stem lies towards Show Answer

Q347) Central part of root occupied by parenchymatous (thin or thick walled) cells is called Show Answer

Q348) Generally the silica is deposited on the free sides of Show Answer

Q349) Monocot root differ from dicot root because of Show Answer

Q350) Stomatal apparatus consists of Show Answer

Q351) Among the following attributes of xylem, which are mainly mechanical in function? Show Answer

Q352) On the basis of their structure and location, tissue system is of …… in plants Show Answer

Q353) Grass elongates after cutting (moving) due to Show Answer

Q354) Xylem fibres are made up of Show Answer

Q355) Prickles
I. don’t have vascular supply
II. are epidermal in origin
III. help in climbing
Select the right combination of statements from the given options Show Answer

Q356) Which one of the following is well-developed present in hydrophytes? Show Answer

Q357) Trichomes are epidermal hairs of Show Answer

Q358) I. Protection of internal tissues
II. Protection leaves from microbes
III. Gaseous exchange
IV. Reduction in the rate of transpiration through epidermal cells due to trichomes
Which of the function of epidermis is/are relevant from the above given statements? Show Answer

Q359) In flowering plants, the main water transporting elements are Show Answer

Q360) The vertical section of a dorsoventral leaf through the lamina shows three main parts namely, epidermis,
…A… and vascular system. The epidermis, which covers the upper surface is …B… and lower surface is
covered by …C… of the leaf.
Choose the correct combination of A, B and C Show Answer

Q361) I. Epidermis
II. Mesophyll
III. Vascular system
Which of the above component is made up of parenchyma and have chlorphyll? Show Answer

Q362) Conducting tissue for the transport of water and minerals from the roots to the stems and leaves is called Show Answer

Q363) Abaxial surface of the leaf generally bears Show Answer

Q364) Open vascular bundles Show Answer

Q365) Which one of the following is not a lateral meristem? Show Answer

Q366) Which of the following statements are true?
I.Uneven thickening of cell well is characteristic of sclerenchyma.
II.Periblem forms the cortex of the stem and the root.
III.Tracheids are the chief water transporting elements in gymnosperms.
IV.Companion cell is devoid of nucleus at maturity.
V.The commercial cork is obtained from Quercus suber Show Answer

Q367) Which of the above following are simple tissues?
I. Parenchyma
II. Collenchyma
III. Sclerenchyma Show Answer

Q368) I. Epidermal cells
II. Stomata
III. Trichomes
IV. Root hairs
These are the attributes of Show Answer

Q369) The functions of sieve tubes are controlled by Show Answer

Q370) During the formation of primary plant body specific regions of apical meristem produces Show Answer

Q371) I. Phloem transports the food materials usually from the leaves to other parts of the plant
II. Phloem in the angiosperm is composed of sieve tube elements, companion cells, phloem parenchyma
and phloem fibres
Identify which of the following statement is correct and select the correct option Show Answer

Q372) The outermost layer of dicotyledonous root is called Show Answer

Q373) Choose the wrong statement from the following Show Answer

Q374) I. It is resistant to microorganisms
II. It comprises dead elements
III. It comprises highly lignified cell wall
IV. It is the peripheral part
V. It is dark and tough
Which of the above property doesn’t belongs to heart wood? Show Answer

Q375) Tracheids Show Answer

Q376) I. Usually cortex of stem is formed the during secondary growth of the stem
II. It is a couple of layer thick
III. It is made up of thin walled rectangular cells
Select the incorrect statements Show Answer

Q377) Which of the following cells are studied during translocation of solutes? Show Answer

Q378) Which cells possess chloroplast and regulate the opening and closing of stomata? Show Answer

Q379) Cells of collenchyma have thickened corners due to the deposition of Show Answer

Q380) Complex tissues are Show Answer

Q381) All the tissues on the innerside of the endodermis constitutes together to form Show Answer

Q382) The cork is impervious to water due to Show Answer

Q383) I. Vascular tissue
II. Cork cambium
III. Xylem and phloem elements
IV. Parenchyma and sclerenchyma
Choose the correct combination for heterogenous tissue Show Answer

Q384) In dicotyledonous root, the cortex consists of Show Answer

Q385) Permanent or mature cells are formed by Show Answer

Q386) Consider the following statements and choose the correct option.
I.The thread like cytoplasmic strands, running from one cell to other is known as plasmodesmata.
II.Xylem and phloem constitute the vascular bundle of the stem.
III.The first formed xylem elements are described as metaxylem.
IV.Radial vascular bundles are mainly found in the leaves. Show Answer

Q387) Parenchymatous cells are usually present in the
I. pericycle
II. pith
III. medullary rays
IV. primary root
V. secondary root
VI. primary stem
VII. secondary stem
Select the correct combinations from the given options Show Answer

Q388) In dicotyledonous root Show Answer

Q389) Simple tissues which occurs in layers below the epidermis in dicotyledonous plants are Show Answer

Q390) Intercalary meristem is found between the Show Answer

Q391) In dicot root, the cork cambium is formed with the help of Show Answer

Q392) In monocot stem, the hypodermis is Show Answer

Q393) Bulliform cells are the modification of Show Answer

Q394) In dicot stem, secondary xylem lie towards the …A… and secondary phloem lie towards the …B… .
Choose the correct combination of options for A and B Show Answer

Q395) Which meristem is responsible for the production of secondary tissues? Show Answer

Q396) Wood is Show Answer

Q397) Sclerenchyma mainly provides Show Answer

Q398) I. Made up of sclerenchymatous cells
II. Generally absent in primary phloem
III. Much elongated and pointed
Given above characters belongs to which of the following? Show Answer

Q399) I. It is made up of elongated, compactly arranged cells
II. It is usually single layered
III. It is parenchymatous
IV. Large vacuole is present
Which of the above characters belong to the epidermis? Show Answer

Q400) I. They may be branched or unbranched and soft or stiff
II. They may be secretory and help in preventing water loss due to transpiration
Which of the above characteristics belongs to trichomes Show Answer

Q401) In young stem, the vascular cambium is Show Answer

Q402) New protective layers formed after the crushing or breaking of cortical and epidermal layers due to
increase in the girth of stem by vascular cambium. These new layers collectively called as Show Answer

Q403) Which of the following tissues consist of living cells? Show Answer

Q404) I. Pith is large and well-developed in monocots
II. Monocot root don’t undergo any secondary growth
In accordance to the above statements, identify the correct one Show Answer

Q405) Cells having no power of cell division are formed by Show Answer

Q406) I. Youngest secondary phloem is just outside the cambium, while youngest secondary xylem is present
inside the cambium
II. Oldest secondary phloem is just inside the primary phloem, while oldest secondary xylem is just above
pith
III. Secondary medullary ray passes through both secondary xylem and secondary phloem
Select the incorrect statement from above Show Answer

Q407) Vascular cambium of dicot root originates from the tissue located just below…A… bundles, a portion of
pericycle tissue above the …B… forming a complete continues wavy ring, which later becomes …C…
Choose the correct combination of options for A-C Show Answer

Q408) Plant length is increased by Show Answer

Q409) In dicotyledonous stem, the sequence of tissue from outside to inside is Show Answer

Q410) In grasses, the guard cells are Show Answer

Q411) Heart wood and sapwood of dicot plants are respectively, called as Show Answer

Q412) Simple permanent living tissues which are made up of thin-walled similar isodiametric cells are called Show Answer

Q413) Polyarch condition is found in which of the following? Show Answer

Q414) Apical meristems are present at the Show Answer

Q415) Plant cells that are photosynthetically active are found in the …A… layer of leaves and are …B… .
Choose the correct combination of A and B from the below given options Show Answer

Q416) Which of the following statement is correct?
I. Many organs of aquatic plants floats in water
II. Large air gaps are present in the collenchyma tissue of lotus leaf Show Answer

Q417) I. Tracheids
II. Vessels
III. Fibres
IV. Parenchyma
All the above structures are the attributes of Show Answer

Q418) During secondary growth new meristematic tissues arrising in the cortical region of the stem are called Show Answer

Q419) I. Monocot root
II. Dicot stem
III. Monocot stem and dicot root
IV. Dicot stem and dicot root
V. Dicot root
Which of the above have well-developed pith? Show Answer

Q420) Mesophyll is a tissue which is present in leaf Show Answer

Q421) I. Roots are unicellular
II. Trichomes are multicellular usually
Identify the correct statement and select the correct option Show Answer

Q422) Narrow bands of parenchymatous tissue which passes through the secondary xylem and phloem radially
are called Show Answer

Q423) Bark is the non-technical term which refers to Show Answer

Q424) From the plants given below, select the monocots having secondary growth in their stem Show Answer

Q425) Which of the three sub-zones of cortex of dicot stem performs the function of providing mechanical
strength to young stem? Show Answer

Q426) What is/are true about heartwood?
I.It does not help in water conduction.
II.It is also called alburnum.
III.It is dark in colour but very soft.
IV.It has tracheary elements, which are filled with tannin, resin, etc. Show Answer

Q427) Periderm is made up of
I. cork cambium
II. cork
III. secondary cortex
Select the correct combination of options Show Answer

Q428) I. Peripheral region of the secondary xylem in dicot stem in lighter in colour and known as heart wood
II. It is involved in water and mineral conduction
Select the correct option from below Show Answer

Q429) Fewer xylary elements that have narrow vessel are found in Show Answer

Q430) Regulation of flow of fluid both inwardly as well as outwardly is performed by the Show Answer

Q431) Meristamatic tissue helps in the Show Answer

Q432) Subsidiary cells are the specialised cell in the Show Answer

Q433) Cortex consists of three sub-zones in dicot stem, they are
I. hypodermis II. cortical layer
III. pericycle IV. endodermis V. epidermis Show Answer

Q434) Elongation of epidermal cells which helps in the absorption of water and minerals from the soil are called Show Answer

Q435) Choose the correct statement Show Answer

Q436) Pericycle is present
I. Just above the phloem
II. on the innerside of endodermis
Select the correct option Show Answer

Q437) When cut horizontally both spring and autumn wood appear in concentric rings known as Show Answer

Q438) Epidermis covered with cuticle, bearing trichomes and few stomata is the characteristic feature of Show Answer

Q439) Border parenchyma or bundle sheath is made up of Show Answer

Q440) Primary function of epidermis is Show Answer

Q441) Vascular system consists of
I. xylem
II. phloem
III. ground meristem
IV. epidermal meristem
Select the correct combination from the given options Show Answer

Q442) In dicotyledonous roots, cambium develops in between Show Answer

Q443) I. Parenchyma tissue II. Collenchyma tissue
III. Sclerenchyma tissue
Which of the above tissues are found in the ground tissue system? Show Answer

Q444) Example of secondary meristem is Show Answer

Q445) Mesophyii is well differentiated into palisade and spongy tissue in Show Answer

Q446) I. Unicellular hair
II. Endodermis with passage cells
III. Pith small and inconspicuous
IV. Radial vascular bundle
V. 2-4 xylem and phloem
VI. Cambium ring develops between xylem and phloem
The above description refers to which of the following? Show Answer

Q447) The outer walls of guard cells (away from stomatal pore) are …A…. While the inner walls (towards the
stomatal pore) are …B… .
Choose the correct combination of A and B Show Answer

Q448) Intercellular spaces are found in …A… region. Intercellular spaces are absent in …B… region. Choose the
correct option for A and B Show Answer

Q449) Large number of xylary elements having vessels with wider activity are produced in Show Answer

Q450) I. Long tube-like structure, arranged longitudinally and associated with companion cells
II. End wall perforated in a sieve like manner to form sieve plates
Given above two character belong to which attribute of phloem Show Answer

Q451) Xylem tissue is composed of Show Answer

Q452) Apical meristem and intercalary meristem are called primary meristem because? Show Answer

Q453) I. Cells are living and thin-walled and their cell walls are made up of cellulose
II. They store food material
III. The radial conduction of water in plants takes place by the help of these tissues
Which of the above feature belongs to the xylem parenchyma? Show Answer

Q454) The surface area of leaves in monocotyledon plant can be regulated by the help of Show Answer

Q455) I. Long cyclindrical tube like structure made up of many cells called vessel members, lignified cell wall and large central cavity
II. Devoid of protoplasm
Above characters belong to which of the following plant elements? Show Answer

Q456) Aerating pores are present at places on the cork cambium. These are called Show Answer

Q457) The age of tree can’t be determined by annual rings if the tree belongs to the Show Answer

Q458) Interfascicular cambium is formed by the joining of Show Answer

Q459) I. Primary tissues of plants add length to the roots and shoots
II. Secondary tissue of plants adds diameter to the roots and shoots
III. Cells of permanent tissue are specialised both structurally and functionally
Which of the above statement is/are true? Show Answer

Q460) The size of vascular bundles on the leaflet depends upon the
I. leaf margin II. leaf petiole
III. leaf size IV. leaf veination
Select the correct combination of options given below Show Answer

Q461) Periderm includes
I. Phellem
II. Phellogen
III. Phelloderm
Select the correct option Show Answer

Q462) Axillary bud originates from Show Answer

Q463) Outer most layer of primary plant body is Show Answer

Q464) The most abundant tissues in plants are Show Answer

Q465) Which of the following characters belong to sclerenchyma?
I. Consists of long narrow cells with thick lignified cell walls
II. Having few or numerous pits
III. They are usually dead and without protoplasms Show Answer

Q466) Amphicribal vascular bundle is vascular bundle in which the Show Answer

Q467) The …A… cells are specialised parenchymatous cells, which are closely associated with sieve tube
elements. The sieve tube elements and …B… cell are connected by pit fields presents between their common …C… walls.
Choose the correct combination of A, B and C from the options given below Show Answer

Q468) Choose the incorrect statement Show Answer

Q469) I. Elongated or tube like cell with thick and lignified walls and tapering ends
II. These are dead and without the protoplasm
III. The inner layers of cell walls have thickening which vary in form
The above mentioned characters belong to which of the following plant structure? Show Answer

Q470) The first formed primary phloem is referred as ...A… The later formed primary phloem is referred as …B…
Choose the correct combination of A and B Show Answer

Q471) Identify the type of plant tissue being represented by the set of statements given below
I. Their cells are isodiametric (they may be spherical, oval, round, etc.)
II. Their cell walls are thin and made up of cellulose
III. They may either be closely packed or have small intercellular spaces
IV. They perform functions like photosynthesis, storage, secretion, etc. Show Answer

Q472) Cuticle is absent in which part of plant? Show Answer

Q473) I. Made up of elongated, tapering cylindrical cells which have dense cytoplasm and nucleus
II. Cell wall composed of cellulose
III. Stores food materials
The above mentioned characters belong to which attribute of phloem? Show Answer

Q474) Kranz anatomy is found in Show Answer

Q475) The phloem fibres of which of the following plant is/are used commercially?
I. Jute II. Flax III. Hemp
Select the correct option Show Answer

Q476) In any dicot root having secondary growth, the cork is the Show Answer

Q477) On the basis of variation in form, structure, origin and development, sclerenchyma may be Show Answer

Q478) Which statements are correct about guard cells?
I. They are modified ground tissue
II. They are chlorophyllous
III. Its outer wall is thin and inner wall is highly thickened
IV. They regulate stomatal movement for transpiration and gaseous exchange Show Answer

Q479) Consider the following statements.
I. In a dicot root, the vascular bundles are collateral and endarch
II. The innermost layer of cortex in a dicot root is endodermis.
III . In a dicot root, the phloem masses are separated from the xylem by parenchymatous cells that are
known as the conjunctive tissue. Show Answer

Q480) First formed primary xylem elements are called ...A… . Later formed primary xylem elements are called
…B… .
A and B in the above statement refers to Show Answer

Q481) Gymnosperms lack which of the following structure? Show Answer

Q482) A branch or a flower develops in the axil of the leaves by the activity of Show Answer

Q483) During secondary growth of plants, stem phellogen cuts of cells on both sides. The outer cells gets
differentiated into …A… and the inner cells gets differentiated into …B… cortex
Choose the correct combination of A and B with reference to above statement Show Answer

Q484) Vascular system includes …A… bundles, which can be seen in the veins and the …B… . The size of vascular
bundles are dependent on the size of …C… . The veins vary in thickness in the reticulate venation of the
…D… leaves
Choose the correct combination of A to D Show Answer

Q485) Estimation of the age of the tree is done by Show Answer

Q486) Sclereids are commonly found in the
I. fruits wall of nuts
II. pulp of fruit like guava and pear
III. seed coat of legumes
IV. micropile of pea
Select the correct combination Show Answer

Q487) The cells of the endodermis are rich in …A… grains and layer is referred to as …B… sheath. Select the
correct combination of A an B from the options given below Show Answer

Q488) A tree grows 5 cm per year. What will be the height of a board fixed 10 cm above the base after 10 years? Show Answer

Q489) I. Found only in sporophytic phase of life cycle
II. May contain enzymes that are biologically active
III. Often contain strengthening polymers
Select the correct option for cell wall Show Answer

Q490) Vascular bundle without cambium is called Show Answer

Q491) Specialised regions of plants having active cell division are called Show Answer

Q492) I. During secondary growth, a complete ring is formed by vascular cambium
II. Interfascicular cambium originates from medullary ray cells
III. Vascular cambium form xylem on the inside and phloem on the outside due to differential action of
hormones
Select the correct combination of option Show Answer

Q493) I. Dicotyledon leaf is also called isobilateral leaf
II. Monocotyledon leaf is also called dorsoventral leaf
Select the correct option from the options given below Show Answer

Q494) Which of the following statements are not true?
I.Cork cambium is otherwise called phellogen.
II.Cork is otherwise called phellem.
III.Secondary cortex is otherwise called periderm.
IV. Cork cambium, cork and secondary cortex are collectively called phelloderm Show Answer

Q495) In leaves, the ground tissues consists of Show Answer

Q496) Continuous ring of cambium is formed by Show Answer

Q497) Ground tissue does not include
I. epidermis
II. vascular bundle
III. sclerenchyma
IV. collenchyma
V. parenchyma
Select the right combination from the above given options Show Answer

Q498) Identify the correct order of the components with reference to their arrangement from outer side to inner
side in a woody dicot stem.
I.Secondary cortex
II.Autumn wood
III.Secondary phloem
IV.Phellem Show Answer

Q499) …A… are structures present in the epidermis of leaves. They regulate process of transpiration and …B…
exchange. It is composed of two bean-shaped cells known as …C… cells.
Choose the correct combination of A, B and C from the following options Show Answer

Q500) In a vessel, septa among the adjoining cells get dissolved.
Companion cells are component of phloem. Show Answer

Q501) The quiescent centre acts as a reservoir of relatively resistant cells, which constitute a
permanent source of active initials.
The cells of the inactive region of quiescent centre become active when the previous
active initials get damaged. Show Answer

Q502) Long distance flow of photo assimilates in plants occurs through sieve tubes.
Mature sieve tubes have parietal cytoplasm and perforated sieve plates. Show Answer

Q503) All the endodermal cells of the root do not contain Casparian thickenings on their radial
and transverse walls.
Passage cells are found in the root endodermis Show Answer

Q504) Apical and intercalary meristems contribute to the growth in length while the lateral
meristems bring increase in girth in maize.
Apical and intercalary meristems always increase the height of plants. Show Answer

Q505) Many organs of aquatic plants float in water.
Large air gaps are present in the collenchyma tissues of lotus leaf. Show Answer

Q506) In collateral vascular bundles, phloem is situated towards inner side.
In monocot stem, cambium is present Show Answer

Q507) Libriform fibres are true fibres.
Libriform fibres develop from non-functional tracheids by reduction. Show Answer

Q508) Jute fibres are obtained from the Show Answer

Q509) Cuticle is absent in Show Answer

Q510) Which one of the following conditions is seen in the roots of a plant having submerged assimilatory roots
and spongy petioles? Show Answer

Q511) Vessels and companion cells are characteristic of Show Answer

Q512) A student collected a hydrophyte with swollen petiole and with a single vascular bundle in the root. The
plant which he collected., was Show Answer

Q513) Some feature of plant leaves are Show Answer

Q514) The difference in phloem of gymnosperms and angiosperms is due to Show Answer

Q515) The lateral roots originate from Show Answer

Q516) Vascular bundles are arranged in a ring in the members of family Show Answer

Q517) Lateral roots arise from Show Answer

Q518) Statement 1: Epidermis in the dicot root is composed of cutinized cells.
Statement 2: The exodermis in the root offers protection to the inner parts in the absence of epidermis Show Answer

Q519) Find the statement that is NOT correct with regard to the structure of monocot stem.
Show Answer

Q520) Bulliform cells are responsible for Show Answer

Q521) Which of the following simple tissues are commonly found in the fruit
walls of nuts and pulp of pear? Show Answer

Q522) Given below are two statements:
Statement I: In a dicotyledonous leaf, the adaxial epidermis generally
bears more stomata than the abaxial epidermis.
Statement II: In a dicotyledonous leaf, the adaxially placed palisade
parenchyma is made up of elongated cells, which are arranged vertically
and parallel to each other.
In the light of the above statements, choose the correct answer from the
options given below: Show Answer

Q523) Which of the following helps in maintenance of the pressure gradient in
sieve tubes? Show Answer

Q524) Given below are two statements:
Statement I : Parenchyma is living but collenchyma is dead tissue.
Statement II : Gymnosperms lack xylem vessels but presence of xylem
vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the
options given below: Show Answer

Q525) Given below are two statements : One is labelled as Assertion A and the
other is labelled as Reason R :
Assertion A : Late wood has fewer xylary elements with narrow vessels.
Reason R : Cambium is less active in winters.
In the light of the above statements, choose the correct answer from the
options given below : Show Answer

Q526) Given below are two statements :
Statement I : Endarch and exarch are the terms often used for
describing the position of secondary xylem in the plant body.
Statement II : Exarch condition is the most common feature of the root
system.
In the light of the above statements, choose the correct answer from the
options given below: Show Answer

Q527) Identify the correct statements:
A. Lenticels are the lens-shaped openings permitting the exchange of
gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular
cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below: Show Answer

Q528) The transverse section of a plant part showed polyarch, radial and
exarch xylem, with endodermis and pericycle. The plant part is
identified as : Show Answer

Q529) Consider the following tissues in the stelar region of a stem showing
secondary growth.
(A) Primary xylem
(B) Secondary xylem
(C) Primary phloem
(D) Secondary phloem
Arrange these in the correct sequence of their position from pith
towards corts. Show Answer

Q530) Consider the following plant tissues :
(A) Axillary buds
(B) Fascicular vascular cambium
(C) Interfascicular cambium
(D) Cork cambium
(E) Intercalary meristem
Identify the lateral meristems among the above Show Answer

Q531) Interfascicular cambium is present between Show Answer

Q532) The type of tissue commonly found in the fruit wall of nuts is Show Answer

Q533) Initiation of lateral roots and vascular cambium during secondary
growth takes place in cells of Show Answer

Q534) Read the following statements about the vascular bundles :
(a) In roots, xylem and phloem in a vascular bundle are arranged in an
alternate manner along the different
radii.
(b) Conjoint closed vascular bundles do not possess cambium
(c) In open vascular bundles, cambium is present in between xylem and
phloem
(d) The vascular bundles of dicotyledonous stem possess endarch
protoxylem
(e) In monocotyledonous root, usually there are more than six xylem
bundles present
Choose the correct answer from the options given below : Show Answer

Q535) In old trees the greater part of secondary xylem is dark brown and
resistant to insect attack due to :
(a) secretion of secondary metabolities and their deposition in the
lumen of vessels.
(b) deposition of organic compounds like tannins and resins in the
central layers of stem.
(c) deposition of suberin and aromatic substances in the outer layer of
stem.
(d) deposition of tannins, gum, resin and aromatic substances in the
peripheral layers of stem.
(e) presence of parenchyma cells, functionally active xylem elements
and essential oils.
Choose the correct answer from the options given below: Show Answer

Q536) The anatomy of springwood shows some peculiar features. Identify the
correct set of statements about
springwood.
(a) It is also called as the earlywood
(b) In spring season cambium produces xylem elements with narrow
vessels
(c) It is lighter in colour
(d) The springwood along with autumn wood shows alternate concentric
rings forming annual rings
(e) It has lower density
Choose the correct answer from the options given below : Show Answer

Q537) Select the correct pair Show Answer

Q538) Identify the incorrect statement. Show Answer

Q539) The transverse section of a plant shows following anatomical features :
(i) Large number of scattered vascular bundles surrounded by bundle
sheath
(ii) Large conspicuous parenchymatous ground tissue
(iii) Vascular bundles conjoint and closed
(iv) Phloem parenchyma absent Identify the category of plant and its
part : Show Answer

Q540) Regeneration of damaged growing grass following grazing is largely due
to: Show Answer

Q541) Xylem translocates: Show Answer

Q542) In the dicot root the vascular cambium originates from : Show Answer

Q543) Which of the statements given below is not true about formation of
annual rings in trees? Show Answer

Q544) Casparian strips occur in Show Answer

Q545) Secondary xylem and phloem in dicot stem are produced by Show Answer

Q546) Plants having little or no secondary growth are Show Answer

Q547) The vascular cambium normally gives rise to Show Answer

Q548) Root hair develop from the region of Show Answer

Q549) Which of the following is made up of dead cells? Show Answer

Q550) Identify the wrong statement in context of heartwood. Show Answer

Q551) Cortex is the region found between Show Answer

Q552) The balloon-shaped structures called tyloses Show Answer

Q553) Specialised epidermal cells surrounding the guard cells are called Show Answer

Q554) Read the different components from (i) to (iv) in the list given below
and tell the correct order of the components with reference to their
arrangement from outer side to inner side in a woody dicot stem
(i) Secondary cortex
(ii) Wood
(iii) Secondary phloem
(iv) Phellem
The correct order is Show Answer

Q555) A major characteristic of monocot root is the presence of Show Answer

Q556) The main function of bulliform cells in grasses is:
Show Answer