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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 951. |
Medullary rays are mainlyA. composed of sclerenchyma cellsB. involved in storageof foodC. involved in radial transport of food and waterD. involved in vertical transport of food and water |
| Answer» Correct Answer - C | |
| 952. |
For a critical study of secondary growth in plants, which one of the following pairs is suitableA. Deodar and fermB. Wheat and maiden hair fermC. sugarcane and sunflowerD. teak and pine |
| Answer» Correct Answer - D | |
| 953. |
Match column I with column II and select the correct option from the given codes `{:("Column I","Column II"),(A." Hardwood",(i)." Duramen"),(B." Soft wood",(ii)." Alburnum"),(C." Heartwood",(iii)." Non-porous wood"),(D." sapwood",(iv)." Porous wood"):}`A. A-(iv),B-(iii),C-(ii),D-(i)B. A-(iv),B-(iii),C-(i),D-(ii)C. A-(iii),B-(iv),C-(i),D-(ii)D. A-(iii),B-(iv),C-(ii),D-(i) |
| Answer» Correct Answer - B | |
| 954. |
For a critical study of secondary growth in plants, which one of the following pairs is suitableA. Sugarcane and sunflowerB. Teak and pineC. Deodar and femD. Wheat and maiden hair fern |
| Answer» Correct Answer - B | |
| 955. |
For a critical study of secondary growth in plants, which one of the following pairs is suitableA. Wheat and maiden hair fernB. Sugarcane cand sunflowerC. Take and pineD. Deodar and fern |
| Answer» Correct Answer - C | |
| 956. |
Duramen is used as timber becauseA. it has large amount of vascular tissueB. it has nutritive substancesC. it has secondary thickeningD. chemicals in tyloses provided durability. |
| Answer» Correct Answer - D | |
| 957. |
For a critical study of secondary growth in plants, which one of the following pairs is suitableA. Sugarcane and sunflowerB. Teak and pineC. Deodar and fernD. Wheat and maiden hair fern |
| Answer» Correct Answer - B | |
| 958. |
Duramen is present inA. inner region of secondary woodB. part of sapwoodC. outer region of secondary woodD. region of pericycle |
| Answer» Correct Answer - A | |
| 959. |
Which of the following statements is incorrect?A. In exarch xylem, metaxylem is towards centreB. Metaxylem has vessels with narrow diameterC. In exarch protoxylem, xylem is towards peripheryD. Xylem is mainly involved in water conduction |
| Answer» Correct Answer - B | |
| 960. |
Choose the correct statement regarding dicot stemA. dumb-bell-shaped stomata, medullary rays absent, little increase in diameterB. Secondary growth takes place, ground tissue differentiated, conjoint and open vascular bundleC. guard cell dumb-bell-shaped, no secondary growth, ground tissue undifferentiatedD. medullary rays absent, xylem vessels are polygonal |
| Answer» Correct Answer - B | |
| 961. |
Find out the correct sequence of labelling. A. A-Parenchyma, B-Cambium, C-PhloemB. A-Phloem, B-Cambium, C-ParenchymaC. A-Phloem, B-Cambium, C-XylemD. A-Parenchyma, B-Cambium, C-Xylem |
| Answer» Correct Answer - C | |
| 962. |
A well-developed medulla occurs inA. monocot rootB. dicot rootC. monocot stemD. dicot stem |
| Answer» Correct Answer - A | |
| 963. |
Sclerenchymatous hypodermis is found inA. monocot rootsB. dicot rootsC. dicot stemsD. monocot stems |
| Answer» Correct Answer - D | |
| 964. |
Identify the tissue system from among the followingA. ParenchymaB. XylemC. EpidermaeD. Phloem |
| Answer» Correct Answer - C | |
| 965. |
Which of the following is correct sequence of layers in typical monocot root (from outer surface to inside)A. epiblema, endodermis, cortex, pericycleB. pericycle, cortex, endodermis, epiblemaC. epiblema, cortex, endodermis, pericycleD. epiblema, pericycle, cortex, endodermis |
| Answer» Correct Answer - C | |
| 966. |
Which of the following is correct sequence of layers in typical monocot root (from outer surface to inside)A. Epiblem, endodermis, cortex, pericycleB. Pericycle, corted, endodermis, epiblemaC. Epiblems, cortex, endodermis, percycleD. Epiblems, pericycle, cortex, endodermis |
| Answer» Correct Answer - C | |
| 967. |
Cells towards pith mature intoA. secondary cortexB. secondary phloemC. secondary xylemD. cork |
| Answer» Correct Answer - C | |
| 968. |
Which of the following is correct sequence of layers in typical monocot root (from outer surface to inside)A. Epidermis endodermis, cortex vcascular bundles pericyle and pithB. Epidermis endodermis, cortex pericycle,vascular bundles and pithC. Epidermis , cortex ,endodermis vcascular bundles pericyle and pithD. Periclycle,epidermis, endodermis, pith cortedx and vascular bundles |
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Answer» Correct Answer - C The correcct swquecne of layers from outer side ot inside of a typical monocot root is epidermis, cortex endodermis, pericylcle, vascualr bundles and pith. |
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| 969. |
Pith cavity occurs in the stem ofA. WheatB. Zea maysC. DracaenaD. Cucurbita |
| Answer» Correct Answer - A | |
| 970. |
Vascular bundle having phloem at the centre encircled by xylem is know asA. bicollateralB. conjoint collateralC. amphivasalD. amphicribral |
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Answer» Correct Answer - C When phloem is surrounded by xylem on all sides, such concentric vascular bundle is called amphivasal or leptocentric. Such vascular bundle is found is Dracaena, Yucca, Aloe, etc. |
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| 971. |
T.S. of stem of Cucurbita can be indentified from the T.S. of sunflower stem by the presence ofA. Bicollateral vascular bundlesB. Conjoint vascular bundlesC. Scattered vascular bundlesD. Cambium in the vascular bundles |
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Answer» Correct Answer - A in vascular bundles of Cucurbita(family-cucurbitaceae), phloem is present in two patches. |
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| 972. |
Vascular bundle having phloem at the centre encircled by xylem is know asA. bicollaterlaB. conjoint collateralC. amphivasalD. amphicribral |
| Answer» Correct Answer - C | |
| 973. |
The conjoint vascular bundles ususally have the phloem lacated on theA. outer side of xylemB. Inner side of xylemC. Both sides of xylemD. Middle of the xylem |
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Answer» Correct Answer - A The conjoint vascular bundles usually have the phloem located on the outer side of xylem. |
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| 974. |
Pith, which constitutes the central core of stem is also calledA. bastB. epiblemaC. ground tissueD. medulla |
| Answer» Correct Answer - D | |
| 975. |
Lenticles are involved inA. Food transportB. PhotosynthesisC. TranspirationD. Gaseous exchange |
| Answer» Correct Answer - D | |
| 976. |
lenticles are patches ofA. Loose cells in leavesB. Loose cells on bark for aerationC. Subsidiary cells of stomataD. Cells for respeiation in epiphytes |
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Answer» Correct Answer - B Lenticles are patches of loose cells on bark for aeration. |
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| 977. |
Pith is a central part of the ground tissue generally made up ofA. ParenchymaB. CollenchymaC. ChlorenchymaD. Sclerenchyma |
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Answer» Correct Answer - A Pith is generally having thin walled parenchymatous cells, which help in storage. |
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| 978. |
lenticles are patches ofA. Loose calles in leavesB. Loose calls on bark for aeractionC. Subsidiary cells of stomataD. Cells for respiratio of epiphytes |
| Answer» Correct Answer - B | |
| 979. |
pith parenchyma generally lacksA. VaculoseB. ChloroplastsC. MitochondriaD. Nucleus |
| Answer» Correct Answer - B | |
| 980. |
which is not part of peridermA. PhellogenB. CorkC. Secondary cortexD. Wood |
| Answer» Correct Answer - D | |
| 981. |
Tetrarch bundles occcur inA. Leaf of Cicer arietinumB. Leaf of Pisum sativumC. Root of Cicer arietinumD. Root of Zea mays |
| Answer» Correct Answer - C | |
| 982. |
Tetrarch bundles occcur inA. Leaf of cicer arientinumB. Leaf of pisum sativumC. Root of cicer arietinumD. Root of zea mays |
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Answer» Correct Answer - C Teetrarch bundles (4 vascular bundles) occur in root o f cicer arietinim (dioct). |
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| 983. |
Which one may contain chloroplasts ?A. Collenchyma and sclernechymaB. Sclerenchyma and parenchymaC. Collenchyma and pithD. Collenchyma and parenchyma |
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Answer» Correct Answer - A::D Collenchyma and parenchuyma amy contains chloroplasts. |
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| 984. |
Intercalry meristem is found inA. RootsB. Ground tissueC. Petioles and internodesD. non of the above |
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Answer» Correct Answer - C Intercalary meristem is found in petiole and internodes. |
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| 985. |
Which will decay faster if exposed freelyA. Soft woodB. Heart woodC. Sap woodD. Wood with lots of fibres |
| Answer» Correct Answer - A | |
| 986. |
In grasses, certain adaxial epidermal cells along the veins modify themselves into large empty, colourless cells calledA. bulliform cellsB. companion cellsC. guard cellsD. subsidiary cells |
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Answer» Correct Answer - A The bulliform cells in the leaves absorb water and they become turgid. Thus, the leaf surface is exposed. When they are flaccid due to water stress, they make the leaves curl inwards to minimise water loss. |
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| 987. |
Vascular bundles in a dicot leaf areA. conjoint, collaterla and openB. conjoint, collaterla and closedC. collateral and openD. collateral and closed |
| Answer» Correct Answer - B | |
| 988. |
Determination of age by counting growth rings falls underA. dendrochronologyB. ageingC. chronologyD. countrology |
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Answer» Correct Answer - A Dendrochronology is the determination of age of a tree by counting annual rings (these rings are formed by activity of cambium in dicot root and stem). |
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| 989. |
Casparian stips containA. CutinB. PectinC. SuberinD. Wax |
| Answer» Correct Answer - C | |
| 990. |
A monocot showing secondary growth isA. LiliumB. CocosC. YuccaD. Asparagus |
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Answer» Correct Answer - C Secondary growth is the growth in girth of stem and roots. Anomalous or abnormal secondary growth is found in some monocot stems such as Yucca, Dracaena, Aloe, Agave, etc. |
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| 991. |
In dorsiventral leaf, xylem is onA. adaxial sideB. abaxial sideC. laterla sideD. mesarch |
| Answer» Correct Answer - A | |
| 992. |
A monocot showing secondary growth isA. CconutB. SugarcaneC. MaizeD. Yucca |
| Answer» Correct Answer - D | |
| 993. |
Ringing/girdling experiment was first performed byA. shoot dies firtB. root dies firstC. leaves die firstD. all of these |
| Answer» Correct Answer - B | |
| 994. |
Scattered vascular bundles occur inA. PteridophytesB. GymnospermsC. MonocotsD. Dicots |
| Answer» Correct Answer - C | |
| 995. |
vascular cambium of stem isA. Primary meristmB. Partly primary and secondaryC. Secondary meristemD. Intercalary meristem |
| Answer» Correct Answer - B | |
| 996. |
vascular cambium of stem isA. partly primary and secondary meristemB. primary meristemC. secondary meristemD. intercalary meristem |
| Answer» Correct Answer - A | |
| 997. |
xylem in dorsiventral leaves is directed towardsA. upper epidermis of dicot leavesB. Lowser epidermisC. Phloem parenchyma is absent in most of the monocotyuledonsD. cortex |
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Answer» Correct Answer - A Xylem in dorsiventral leaves is directed towared up[per epidermis. |
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| 998. |
In a dorsiventral leaf, location of palisade tissue and phloem is respectively on the ______surfaces.A. adaxial and abaxialB. adaxial and adaxialC. abaxial and adaxialD. abaxial and abaxial |
| Answer» Correct Answer - A | |
| 999. |
Phloem in dorsiventral leaves is directed towardsA. lowr epidermisB. centreC. upper epidermisD. absence in leaves |
| Answer» Correct Answer - A | |
| 1000. |
In a dorsiventral leaf, what is true regarding the position of xylem?A. Xylmen is towards adaxial epidermisB. Xylem is towards abaxial epidermisC. Xylem surrounds phloem.D. Xylem is surrounded by phloem |
| Answer» Correct Answer - A | |