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.
| 101. |
oldest part of phloem in a dicot stem jis situated justA. outside vascular cambiumB. inner to primary cortexC. inner to vascular cambiumD. between periderm and primary cortex. |
| Answer» Correct Answer - b | |
| 102. |
Alternate name of heart wood isA. duramenB. alburnumC. primary xylemD. spring wood |
| Answer» Correct Answer - a | |
| 103. |
endodermis acts as biological check post and prevents wall flow of materials becouse it hasA. casparian stripsB. barrel-shaped cellsC. passage cellsD. specialised thickenings |
| Answer» Correct Answer - a | |
| 104. |
inner-most layer of cotex isA. pericycleB. endodermisC. hypodermisD. none of the above |
| Answer» Correct Answer - b | |
| 105. |
vessels of heart wood are blocked byA. hydathodesB. tylosesC. stomataD. latex |
| Answer» Correct Answer - b | |
| 106. |
ground tissue having differentiated concentric layers is found inA. dicot leafB. monocot leafC. dicot stemD. monocot stem |
| Answer» Correct Answer - c | |
| 107. |
Endodermis is a part ofA. medullaB. steleC. cortexD. exodermis |
| Answer» Correct Answer - c | |
| 108. |
cortex lies betweenA. epiedermis and endodermisB. endodermis and pithC. hypodermis and endodermisD. epidermis and stele. |
| Answer» Correct Answer - d | |
| 109. |
which is not true of dicot rootA. vascular bundles 15-20B. radial vascular bundlesC. secondary growthD. pith little or absent |
| Answer» Correct Answer - a | |
| 110. |
endodermis is not differentiated inA. monocot rootB. dicot rootsC. monocot stemsD. dicot stem. |
| Answer» Correct Answer - c | |
| 111. |
A.T.S. of dicot stem showsA. vascular bundles arranged in a ringB. scattered vascular bundles.C. closed vascular bundlesD. radial vascular bundles. |
| Answer» Correct Answer - a | |
| 112. |
what is true about a monocot leafA. reticulate venationB. absence of bulliform cells from epidermisC. mesophyll not differentiated into palisade and spongy tissuesD. well differentiated mesophyll |
| Answer» Correct Answer - c | |
| 113. |
fibrovascular bundles or vascular bundles covered bt sclerenchymatous sheath are found inA. monocot stemB. dicot stem and leafC. monocot rootD. dicot root |
| Answer» Correct Answer - a | |
| 114. |
fibrovascular bundles or vascular bundles covered bt sclerenchymatous sheath are found inA. monocot leafB. monocot stemC. monocot rootD. dicot stem. |
| Answer» Correct Answer - b | |
| 115. |
vascular bundles of typical leaves areA. collateral and closedB. collateral and openC. conjoint and concentricD. radial |
| Answer» Correct Answer - a | |
| 116. |
medullary rays are extra prominent inA. monocot stemB. dicot stemC. young dicot rootD. old dicot root |
| Answer» Correct Answer - d | |
| 117. |
multiple edidermis occurs inA. cottonB. cucurbitaC. palmD. nerium |
| Answer» Correct Answer - d | |
| 118. |
protoxylem lacunae occur inA. grass stem vascular bundlesB. caldodesC. underground stemsD. climbers. |
| Answer» Correct Answer - a | |
| 119. |
in leaves, protoxylem (xylem) elementsA. face towards the adaxial sideB. face towards the abaxial surfaceC. are surrounded by metaxylemD. are scattered in the middle. |
| Answer» Correct Answer - a | |
| 120. |
Grafting is not possible in monocots because theyA. lack cambiumB. have scattered vascular bundlesC. have parallel venationD. are herbaceous |
| Answer» Correct Answer - a | |
| 121. |
undifferentiated ground tissue is present in stem ofA. sunflowerB. pisumC. maizeD. cucurbita |
| Answer» Correct Answer - c | |
| 122. |
passage cells occur inA. epidermisB. cortexC. endodermisD. pericycle. |
| Answer» Correct Answer - c | |
| 123. |
Vascular bundles are scattered inA. pteridophytesB. gymnospermsC. monocotsD. dicots |
| Answer» Correct Answer - c | |
| 124. |
transport proteins of endodermal cells are control point where a plant adjusts the quantity and types of solutes that reach the xylem. Root endodermis is able to actively transport ions in one direaction only becaouse of the layer of .A. actinB. ligninC. suberinD. cellulose. |
| Answer» Correct Answer - c | |
| 125. |
conjoint and closed vascular bundles with no phloem parenchyma are observed inA. monocot stemB. dicot stemC. monocot rootD. dicot root |
| Answer» Correct Answer - a | |
| 126. |
which of the following characters are not appplicable to the anantomy of dicot stem. (a) colenchymatous htpodermis (b) polyarch xylem ltcgt presence of casparian strips on endodermis ltdgt poen vascular bundle € presence of medullary raysA. a d and e onlyB. b and c onlyC. b and e onlyD. a, b and c only |
| Answer» Correct Answer - b | |
| 127. |
when one wood is lighter in colour with lower density, the other wood is darker with higher density. They areA. springwood and autumn- woodB. heartwood and late woodC. springwood and early woodD. autumn wood and springwood. |
| Answer» Correct Answer - a | |
| 128. |
vascular bundle with protoxylem towards the periphery isA. radialB. endarchC. exarchD. closed |
| Answer» Correct Answer - c | |
| 129. |
which of these characters does/do not apply to vascular bundle of moncot stem. I. conjoint II. Endarch protoxylem III. Open IV. Phloem parenchyma is absent.A. I and II onlyB. II and IIIC. I and IV onlyD. III |
| Answer» Correct Answer - d | |
| 130. |
phloem and cambium occur on either side of xylem. This froms a vascular bundle calledA. collateralB. radialC. bicollateralD. concentric |
| Answer» Correct Answer - c | |
| 131. |
cork cambium of dicot stem originates fromA. dedifferentiated parenchyma cells of cortexB. dediffernetiated collenchyma cells of cortexC. parenchyma cells of medullary raysD. paraenchyma cells of pericycle. |
| Answer» Correct Answer - b | |
| 132. |
in case of dicot roots the cork cambium derived fromA. hypodermisB. epidermisC. pericycleD. cortex |
| Answer» Correct Answer - c | |
| 133. |
Fascicular cambium found in dicot stem is aA. apical meristemB. primary meristemC. secondary meristemD. intercalary meristem |
| Answer» Correct Answer - b | |
| 134. |
Interfascicular cambium develops from the cells ofA. pericycleB. medullary rayC. xylem parenchymaD. endodermis |
| Answer» Correct Answer - b | |
| 135. |
Interfascicular cambium develops from the cells ofA. cortexB. pithC. pericyleD. medullary rays. |
| Answer» Correct Answer - d | |
| 136. |
fascicular , interfascicular and extra-fascicular cambium together constituteA. ground meristemB. lateral meristemC. intercalary meristemD. primary meristem |
| Answer» Correct Answer - b | |
| 137. |
exchange of gases between air and the internal tissues of older corky stems takes place throughA. sieve platesB. pitsC. stomataD. lenticels. |
| Answer» Correct Answer - d | |
| 138. |
when secondary occurs, girth of stem increases. Cambial ring increases in diameter due toA. periclinal deivision and radial elongation of cambial cellsB. anticlinal divison and radial eleongations of cambial cellsC. both periclinal and anticlinal divisons and radial elongation of cambial cellsD. radial elongation of cambium cells along. |
| Answer» Correct Answer - b | |
| 139. |
Radial conduction of water takes place byA. PholemB. Vessels and tracheidsC. VesselsD. Ray paraenchyma cells. |
| Answer» Correct Answer - d | |
| 140. |
the endarh condition is characteristic ofA. rootB. stemC. leavesD. petiole |
| Answer» Correct Answer - b | |
| 141. |
cork/bottle cork is formed fromA. cork cambium ( phellogon)B. vascular cambiumC. phloemD. xylem |
| Answer» Correct Answer - a | |
| 142. |
dicot root differs from monocot root inA. fewer number of radial vascular bundles with small pithB. large number of radial vascular bundles with large pithC. fewer number of radial vascular bundles with large pithD. large number of radial vascular bundles with small pith. |
| Answer» Correct Answer - a | |
| 143. |
The function of cork cambium (phellogen) is to produceA. secondary xylem and sencondary phloemB. cork and secondary cortexC. secondary cortex and phloemD. cork |
| Answer» Correct Answer - b | |
| 144. |
monocot root differs from dicot root in havingA. open vascular bundlesB. scattered vascular bundles.C. well developed pithD. radially arranged vascular bundles. |
| Answer» Correct Answer - c | |
| 145. |
cork cambium is also calledA. phellodermB. phellemC. peridermD. phellogen |
| Answer» Correct Answer - d | |
| 146. |
where do the casparian bands occurA. epidermisB. endodermisC. pericyleD. phloem |
| Answer» Correct Answer - b | |
| 147. |
secondary growth occurs due to activity ofA. cork cambiumB. vascular cambiumC. intercalary meristemD. both A and B |
| Answer» Correct Answer - d | |
| 148. |
abnormal/anomalus secondary growth occurs inA. dracaenaB. gingerC. wheatD. sunflower |
| Answer» Correct Answer - a | |
| 149. |
sap-wood isA. outer funcational part of secondary xylemB. inner nonfuncational part of secondary xylemC. outer as well inner part of secondary xylemD. none of the above. |
| Answer» Correct Answer - a | |
| 150. |
periderm includesA. cork cambium ( phellogen) cork (phellem) and secondary cortex ( phelloderm)B. cork cambium and corkC. corkD. cork and secondary phloem |
| Answer» Correct Answer - a | |