InterviewSolution
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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.
| 901. |
The tissue which perpetuates itself by active cell division isA. meristematic tissueB. ground tissueC. permanent tissueD. vascular tissue |
| Answer» Correct Answer - A | |
| 902. |
Pick the incorrect statementA. Gymnosperms lack vessels in their xylemB. Cell wall of collenchyma is made of pectinC. The first formed primary xylem elements are called protoxylemD. Gymnosperms have companion cells |
| Answer» Correct Answer - D | |
| 903. |
The peripheral region of the secondary xylem is lighter in colour and known as theA. Spring wood and gives mechanical support to the stemB. Sapwood and gives mechanical support to the stemC. Heartwood and involved in condution of water and mineralsD. Sapwood and involved in conduction of water and minerals |
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Answer» Correct Answer - D The peripheral region of the secondary xylem, is lighter in colour and known as the sapwood and involved in conduction of water and minerals. |
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| 904. |
Root differs from stem in havingA. Parenchymatous cortexB. PithC. Exarch xylemD. Pericycle |
| Answer» Correct Answer - c | |
| 905. |
Peripheral region of secondary xylem isA. Light and functionalB. Dark and non-functionalC. Hard and durableD. Resistant and light |
| Answer» Correct Answer - A | |
| 906. |
Vascular bundel with `2:1` ratio of phloem and xylem isA. CollateralB. BicollateralC. AmphivasalD. Amphicribral |
| Answer» Correct Answer - C | |
| 907. |
Giruding experiment is not possible in maize and sugarcane because ofA. Scattered vascular bundlesB. Open vasular bundlesC. Closed vasular bundlesD. Both 1 and 3 |
| Answer» Correct Answer - B | |
| 908. |
Dendrochronolgy deals with the study ofA. PhylogenyB. Numerical taxonomyC. Age of treesD. Grasses |
| Answer» Correct Answer - C | |
| 909. |
Sapwood isA. Secondary xylemB. Secondary pholemC. PhellemD. Secondary cortex |
| Answer» Correct Answer - A | |
| 910. |
Tissue commonly known as passport point or biological check post is characterised byA. Bulliform cells and raphidesB. Cystolith and motor cellsC. Casparian bands and passage cellsD. Passage cells and starch |
| Answer» Correct Answer - A | |
| 911. |
Go through the following statements (i) The cambium is generally more acitve on the inner side than on the outer. (ii) The autunn wood is darker and has a higher density than spring wood. (iii) In stem, the secondary xylem shows distinction into protoxylem and metxylem and occurs in the from of patches. (iv) The tracheids and vessels of the sapwood get plugged by the ingrowth of the adjacent parenchyma cells into thier cavities called tyloses. Which of theses are correct ?A. (i), (ii) & (iii)B. (i), (ii) & (iv)C. (i) and (iii)D. (i), (iii) & (iv) |
| Answer» Correct Answer - C | |
| 912. |
Tissue commonly known as passport point or biological check post is characterised byA. Bulliform cells and raphidesB. Cystolith and motor cellsC. Casparian bands and passage cellsD. Passage cells and fats |
| Answer» Correct Answer - C | |
| 913. |
Heartwood is characterised by all, exceptA. Presence of tylosesB. Presence of tannins, resins, oils, gums etc.C. Its commercial importance for timberD. Active in water conduction |
| Answer» Correct Answer - D | |
| 914. |
Radial conduction of water takes place byA. PhyloemB. Vessels and tracheidsC. VesselsD. Rayparenchyma cells |
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Answer» Correct Answer - D Radial conduction of water occures by ray prenchyma cells |
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| 915. |
The extensions of plth cells that are involved in radial conduction of food and water areA. amphivascular raysB. radial vascular raysC. medullary raysD. trichomes |
| Answer» Correct Answer - C | |
| 916. |
Radial conduction of water and food material in the woody stems is the function ofA. EndodermisB. xylem fibresC. VesselsD. Vascular rays |
| Answer» Correct Answer - D | |
| 917. |
Hydrophytes are characterised byA. presence of sclerenchymaB. presence of aerenchymaC. absence of aerenchymaD. presence of root nodules |
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Answer» Correct Answer - B Aerenchyma is a prenchyma, which contains wide air spaces that help to make the plant light and buoyant. It is a charecteristic of hydrophytes. |
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| 918. |
Bicolateral conjoint cascular bundle possessesA. Xylem and phloem on alternate radiiB. Phloem surrounding xylemC. xylem surrounding phloemD. Xylem and phloem on the same radius with two groups of phloem, on the two sides of xylem |
| Answer» Correct Answer - D | |
| 919. |
Which of the following is ture ?A. Vessels are unicellular and with narrow lumenB. Vessels are multicellular and with wide lumenC. Tracheids are unicellular and with wide lumenD. Tracheids are multicellular and with narrow lumen |
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Answer» Correct Answer - B Vessels are composed of a row of cells placed one above the other. They form a pipe-like structure due to the absence of the septa walls between the cells. |
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| 920. |
In the sieve elements, which one of the following is the most likely function of P-protein-A. Autolytic enzymesB. Sealing mechanism on woundingC. Providing enerfy of active translocationD. Deposition of callose on sieve plates |
| Answer» Correct Answer - B | |
| 921. |
Two cross sections of stem and root appear simple, when viewed by naked eye. Not under microscope they can be differentiated byA. exarch condition of root and stemB. endarch condition of stem and rootC. endarch condition of root and exarch condition of stemD. endarch condition of stem and exarch condition of root |
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Answer» Correct Answer - D Stems are charecterised by endarch condition of xylem, while roots are of exarch condition. |
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| 922. |
In the sieve elements, which one of the following is the most likely function of P-protein-A. Deposition of callose on sieve platesB. Providing energy for active translocationC. Autolytic enzymesD. Sealing mechanism on wounding |
| Answer» Correct Answer - A | |
| 923. |
Two cross sections of stem and root apperar simple, when viewed by naked eye. Nut under microscope they can be differentiated byA. exarch condition of root and endarch stemB. endarch condition of stem and exarch rootC. endarch conditioon of root and exarch condition of stemD. endarch conditions of stem and exarch condition of root |
| Answer» Correct Answer - A | |
| 924. |
periderm is produced byA. phellogenB. vascular cambiumC. fascicular cambiumD. cork cells |
| Answer» Correct Answer - A | |
| 925. |
Quinine (antimalarial drug) is obtained fromA. Bark of CinchonaB. Cork or CinhonaC. Bark of CinnamonD. Cork of Cinnamon |
| Answer» Correct Answer - A | |
| 926. |
Hockey sticks are prepared from the wood ofA. Acacia arabicaB. Terminalia arjunaC. Morus albaD. Dalbergia latifolia |
| Answer» Correct Answer - C | |
| 927. |
Collenchyma are present inA. woody climbersB. herbaceous climbersC. hydrophytesD. monocot stems |
| Answer» Correct Answer - B | |
| 928. |
The mechanical tissue with high refractive index isA. CollenchymaB. ProsenchymaC. SclerenchmaD. Sclereids |
| Answer» Correct Answer - A | |
| 929. |
Which one of the following acts as water stronger tissue in succlent plants ?A. ParenchymaB. AerenchymaC. Angular colenchymaD. Meristem |
| Answer» Correct Answer - A | |
| 930. |
Cell wall in dead machanical tissue showsA. Lignified natureB. Cutinized natueC. Pectose depositionD. Hemicellulose deposition |
| Answer» Correct Answer - A | |
| 931. |
Collenchyma are absent in roots except in the aerial roots of some plants. One such example isA. FicusB. Zea maysC. HelianthusD. Cucurbita |
| Answer» Correct Answer - A | |
| 932. |
Collenchyma is absent inA. RootB. Dicot stemC. MonocotsD. Both 1 or 3 |
| Answer» Correct Answer - D | |
| 933. |
Collenchyma differs from sclerenchyma inA. being deadB. possessing protoplasmC. the ability to not dedifferentiateD. All of the above |
| Answer» Correct Answer - B | |
| 934. |
Collenchyma differs from parenchyma inA. Possessing thick cell wallB. Lacking protoplasmC. Containing chloroplasts usuallyD. Being meristematic |
| Answer» Correct Answer - A | |
| 935. |
where do the casparian bands occurA. EndodermisB. ExodermisC. PericycleD. Epidermis |
| Answer» Correct Answer - A | |
| 936. |
Passage cells are walled cells fund inA. testa of seeds toe enable emergence of growing embryonic axis during seed germinationB. central region of style through which the pollen tube grows towards the ovaryC. endodermis of roots facilitating repaid transpory of water from cortex to pericycleD. phloem elements that serve as entry points for substances for transport to other plant parts |
| Answer» Correct Answer - C | |
| 937. |
Fibers are obtained fromA. Xylem, phloem and sclerenchymaB. Xylem, phloem, sclerenchyma and epidermisC. Xylem, parenchyma, epidermisD. Xylem, parenchyma and endodermis |
| Answer» Correct Answer - A | |
| 938. |
Abnormal secondary growth is found inA. DeacaenaB. TriticumC. HelianthusD. Cucurbita |
| Answer» Correct Answer - A | |
| 939. |
Find the incorrect matching.A. Heaematoxylin -Heart wood Haemataxylon carnpechianumB. Santalin-Heart wood of Caesalpinia sappanC. Brasilin-Pith of Caesalpinia sappanD. Tannins-Heart wood of Acacia catechu (katha) |
| Answer» Correct Answer - C | |
| 940. |
A tumour-like tissue fo thin walled cells developing over the wounds is calledA. TyiosesB. GallC. CailoseD. Callus |
| Answer» Correct Answer - D | |
| 941. |
If the dicot stem is stained for starch, the most intense colouration would develop inA. apiblemaB. phloem is sandwiched by xylemC. endodermisD. pith |
| Answer» Correct Answer - C | |
| 942. |
Oldest xylem is that primary xylem foundA. in the centreB. on the outside of phloemC. in the sap woodD. on the outside of xylem |
| Answer» Correct Answer - A | |
| 943. |
Primary tissue of a plantA. add to the length of plant partsB. add to the diameter of plant partsC. are present in embryo onlyD. are found in seeding stage only |
| Answer» Correct Answer - A | |
| 944. |
A: Sieve tubes and companion cells are related ontogenetically. R: Both develop from same mother cell.A. If both Assertion & Reason are true and the reason is the correct expalanation of the assertion. Then mark (1).B. If Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4) |
| Answer» Correct Answer - A | |
| 945. |
Which of the following is not correct ?A. Early wood is characterized by a large number of xylary elements.B. Late wood is characterzed by a large number of xylary elements.C. Early wood is characterized by vessels with narrower cavities.D. Late wood is characterized by vessels with narrow cavities. |
| Answer» Correct Answer - C | |
| 946. |
Companion cells areA. small, thin walled living, enucleatedB. living, narrow, elongated, thin walled, nucleatedC. small, thick walled, living, nucleatedD. large, thick walled nucleated |
| Answer» Correct Answer - B | |
| 947. |
In monocot root, we observeA. polyarch, open, collateral vascular bouldesB. subersied exodermis, casparian strip, passage cell and c ambiumC. xunserised exodermis, oplyarch exarch xylem, large pithD. exodermis, endarch, tetarch, closed vascular bunldes |
| Answer» Correct Answer - C | |
| 948. |
Medullary rays are made up ofA. FibersB. TracheidsC. Sclerencyma cellsD. Parenchymatous cells |
| Answer» Correct Answer - D | |
| 949. |
passage cells are thin- walled cells found inA. Central region of style through which the pollen tube grows towards the ovary.B. Endodermis of rots facilitating rapid transport of water from cortex to pericycleC. Phloem elements that serve as entry points for substances for transport to other plant partsD. Tasta of seeds to enable emergence of growing embryonic axis during seed germination. |
| Answer» Correct Answer - B | |
| 950. |
What happens to primary xylem and primary phloem during secondary growth?A. They got separated far apartB. They get lostC. they develop pitsD. They developed thickenings |
| Answer» Correct Answer - A | |