InterviewSolution
Saved Bookmarks
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.
| 1101. |
What ar the small brown or yellow spots on the underside or margin of fern sporophylls ? |
| Answer» Correct Answer - Sori. | |
| 1102. |
Algae, bryophyte, and pteridophytes resemble with each other in which one of the following feature?A. Gametophytic plant bodyB. Dependence on water for fertilizationC. Heteromorphic alternation of generationD. Presence of embryo |
| Answer» Correct Answer - B | |
| 1103. |
Which of the following angiosperm is almost microscopic ?A. EucalyptusB. WolfiaC. AcaciaD. Colocasia |
| Answer» Correct Answer - B | |
| 1104. |
Endosperm of angiosperm isA. TriploidB. DiploidC. HaploidD. Tetraploid |
| Answer» Correct Answer - A | |
| 1105. |
Saprophytic bryophyte isA. Buxbaumia aphyllaB. Ricciocarpus natansC. Riccia fluitansD. Radula sp |
|
Answer» Correct Answer - a Saprohytic bryophytes are Buxbaaumia aophylla. Which are nongreen growing on rotten wood. |
|
| 1106. |
Name the tallest angiosperm. |
| Answer» Eucalyptus regans. | |
| 1107. |
Name the smallest angiosperm. |
| Answer» Zamia pygmia. | |
| 1108. |
Name the group of plants which produce seeds but not fruits. |
| Answer» Correct Answer - gymnosperms. | |
| 1109. |
Which one of the following statement is wrong ?A. Chlorella and Spirulina are used as space foodB. Mannitol is stored food in RhodophyceaeC. Algin and carrageen are products of algaeD. Agar-agar is obtained from Gelidium and Gracilaria |
|
Answer» Correct Answer - B Mannitol is stored food in phaeophyceae. |
|
| 1110. |
Male gametes are flagellated inA. EctocarpusB. SpirogyraC. PolysiphoniaD. Anabaena |
|
Answer» Correct Answer - A Male gametes are flagellated in Ectocarpus (brown algae). |
|
| 1111. |
Which one of the following is not characteristic of all divisions of vascular plants?A. An alternation of generationsB. The development of seedsC. Differentiation into roots, stems and leavesD. Xylem and phloem for transporting materials between roots and leaves. |
| Answer» Correct Answer - B | |
| 1112. |
The algal group which most biologists believe to have led to evolution of land plants isA. phaeophytaB. RhodophytaC. ChlorophytaD. Chrysophyta |
| Answer» Correct Answer - C | |
| 1113. |
Phycocolloids are found in the cell walls ofA. DiatomsB. SpirogyraC. Red and brown algaeD. All algae |
| Answer» Correct Answer - C | |
| 1114. |
Who among the following was a plaeobotanistA. P. MaheswariB. S.R. KashyapC. SahaniD. V.Puri |
|
Answer» Correct Answer - c Birbal sahani was a famous indian palaeobotanist. He established famours birbal sahani institute of paleobotany in Lucknow (UP) and described Williamsonia sewardiana. |
|
| 1115. |
Which kind of life-cycle pattern is exhibited by seeds bearing plants?A. HaplonticB. DiplonticC. Haplo-diplonticD. all of these. |
|
Answer» Correct Answer - B in diplontic life cycle, the dominant freeliving phase ios the diploid (2n). Sporophyte is photosynthetic. The gametophytic phase is represented by single to fewcelled haploid gametophyte. All seed-bearing platns i.e., gymnosperms and angiosperms exhibit this type of life cycle. |
|
| 1116. |
Read the given statements and selet the incorrect ones. (i). Sporophyte in mosses is more elaborate than that in liverworts. (ii). Salvinia is homosporous (iii). Life-cycle in all spermatophytes is diplontic. (iv). In cycas, male cones and megasporophylls are borne on the same trees.A. (i) and (ii)B. (i) and (iii)C. (ii) and (iv)D. (iii) and (iv) |
|
Answer» Correct Answer - C Few pteridophytes are heteroporous i.e.,with two types of spores, micropores andmegaspores, e.g., Selaginella salvinia, marsilea Plants of cycas are also heterosporous and invariable dioecis ou,i.e., male and female reproductive organs occurs on separate individuals. |
|
| 1117. |
In Funaria (mos) spore germinates to produceA. ProtonemaB. ProthallusC. ProembryoD. Embryo |
|
Answer» Correct Answer - a Protonema is the branched filamentous portion which is produced by germination of spores. |
|
| 1118. |
In Funaria, the following is not connected with spore dispersalA. SetaB. PeristomeC. AnnulusD. Foot |
| Answer» Correct Answer - D | |
| 1119. |
In Funaria, calyptra is derived fromA. AntheridiumB. ColumellaC. CapsuleD. Archegonium |
| Answer» Correct Answer - D | |
| 1120. |
In Funaria, calyptra is formed fromA. AntheridiumB. ColumellaC. CapsuleD. Archegonium |
| Answer» Correct Answer - D | |
| 1121. |
Rhizoids of mosses areA. Unicellular and pigmentedB. Multicellular and pigmentedC. Unicellular and non-pigmentedD. Multicellular and non-pigmented |
| Answer» Correct Answer - D | |
| 1122. |
In Funaria, the number of peristome teeth in exostome isA. 32B. 64C. 16D. 8 |
| Answer» Correct Answer - C | |
| 1123. |
Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference isA. MonocotsB. DicotsC. PteridophytesD. Gymnosperms |
| Answer» Correct Answer - d | |
| 1124. |
Plants of this group are diploid and well adapted to extreme condtions. They grow bearing sporophylls in compact structures called cones. The group in reference isA. MonocotsB. DictosC. PteridophytesD. Gymnoperms |
| Answer» Correct Answer - d | |
| 1125. |
In Bryophyta the adult plant body isA. Sporophyte is of longer durationB. EpiphyteC. SporophyllD. Gametophyte |
| Answer» Correct Answer - d | |
| 1126. |
Assertion: All living species of Cycas are dioecious Reason: Cycas contains male and female cones on the same plant.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
|
Answer» Correct Answer - c All living species of Cycas are dioecious aas the male and female structures occurs on separate plants. The microsporphylls are aggregated into large compact Male strobilior cones. The megasporophylls are loosely arranged. They do not form a true cone. |
|
| 1127. |
In Pinus male and female reproductive structues occurA. On different branches of the same plantB. On different plantsC. On same branchD. None of these |
|
Answer» Correct Answer - a Monocious |
|
| 1128. |
Gymnosperms haveA. Tap root systemB. Seeds enclosed within the fruitC. RhizoidsD. Branched stems always |
| Answer» Correct Answer - A | |
| 1129. |
Which of the following plants possess naked seeds ?A. BryophytesB. GymnospermsC. PteridophytesD. Angiosperms |
| Answer» Correct Answer - B | |
| 1130. |
A. Siphonogamy is found in Pinus B. Stem branches are monomorphic in PinusA. A and B are incorrectB. Only A is correctC. Only B is correctD. A and B are correct |
| Answer» Correct Answer - B | |
| 1131. |
Assertion: The female cones take much time to mature. Reason: The seeds are shed when the cone is 22 months cones. Reason: Male and female cones appears altenately on the same branch of the Pinus.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
|
Answer» Correct Answer - b The ovulate or female cones take three years to mature. The mature cones are hard, woody and very large in size, Many important changes take place in the female cone during the interval of about thirteen months betwwwn pollination and the actual act of fertilization. |
|
| 1132. |
Which of the following has both the male and female cones on same plant body ?A. CycasB. GinkgoC. EucalyptusD. Pinus |
| Answer» Correct Answer - C | |
| 1133. |
Assertion: The female cones are same in number as male cones. Reason: Male and female cones appears alternately on the same branch of the Pinus.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
|
Answer» Correct Answer - d Female cones or ovulate cones are fewer in number and arise single or in a small cluster or two to four. Each as a bud in the axial of a scale leaf towards the end of the new shoots of unlimited grwoth (long shoots) which do not bear the mae cones. |
|
| 1134. |
Study the given statements about gymnosperrms and select the correct option. (i). Mode of fertilisation is siphonogamy (ii). Male and female cones are borne on same tree in pinus. (iii). Endosperm represents female gametophyte.A. Statement I and II are trueB. Statement ii and iii are true.C. statement i and iii are correctD. statement (i), (ii) and (iii) are correct |
| Answer» Correct Answer - D | |
| 1135. |
Cyas has 2 cotyledons yet it is classified as Gymnosperm and not as dicot plant becauseA. it resembles data palm/monocot in appearance.B. it has compound leavesC. its ovules are nakedD. it bears megasporophylls |
| Answer» Correct Answer - C | |
| 1136. |
Which of these is mismatchedA. phaneros-visibleB. kryptos-concealedC. gymno-nakedD. thallusu-diploid |
| Answer» Correct Answer - D | |
| 1137. |
Which one of the following is mismatched incorrectly ?A. Pinus : coralloid rootsB. Sequoia : tap rootsC. cycas : unbranched stemD. Cedrus : branched stem |
| Answer» Correct Answer - A | |
| 1138. |
Select the mismatched pair.A. Cycas-Living fossilB. Thuja-Agar productionC. Pinus-Resin,Turpentine productionD. Araucaria-Ornamental plant |
|
Answer» Correct Answer - B Thuja plicata passesses the wood which is known for possessing certain antibiotics. It is resistant to weathers and is widely used for commercial purposes. It also provides an essential oil which is used in perfumery it also provides an essential oil which is used in perfumery agar is obtained from cell wall of red algae Gelidium and Gracilaria. |
|
| 1139. |
In Funaria, stomata are present on theA. LeafB. StemC. Upper part of capsuleD. Lower part of capsule |
|
Answer» Correct Answer - d In capsule of unaria stomata are presetn only is apophysis. |
|
| 1140. |
Canada balsam is an oleoresin obtained fromA. Albies balsameaB. Impatiens balsamiaC. Pinus sp.D. Hellanthus annus |
|
Answer» Correct Answer - a Canada Balsam is used as a mounting for microscopic studies. The source is Abies balsamea. |
|
| 1141. |
Canada balsam, a mounting agent used to make permanent slides, is obtained from the species ofA. AbiesB. CedrusC. PinusD. Juniperus |
|
Answer» Correct Answer - A Canada balsam is obtained from Abies balsamea the resin down not crystallise or granulate on dryinkg. It has a high refractive index as that of glass and is used as a mounting medium for microscopic object and as a cement for lenses in optical work. |
|
| 1142. |
In which of the following groups all the organisms contain chlorophyll cA. Ectocarpus,Fucus, Sargassum,LaminariaB. Macrocystis,Batrachospermum,Polysliphonia,CharaciumC. Chlamydomonas,Asterocystis,Ulothrix,GelidiumD. Harveyella,Chondrus,Volvox,Chlorella |
| Answer» Correct Answer - A | |
| 1143. |
Consider the following pigments 1. Chlorophyll a 2. Chlorophyll b 3. Chlorophyll c 4. Carotenes 5. Biliproteins 6. Xanthophylls The characteristic photosynthetic pigments present in Chlorophyceae would includeA. 1,2,3 and 4B. 1,3,4, and 5C. 2,3,5 and 6D. 1,2,4 and 6 |
| Answer» Correct Answer - D | |
| 1144. |
An example of a marine angiosperm thriving in shallow seas isA. ZosteraB. WolffiaC. PistiaD. Rhizophora |
| Answer» Correct Answer - A | |
| 1145. |
Both chlorophyll a and b are present inA. RhodophyceaeB. PhaeophyceaeC. ChlorophyceaeD. None of these |
| Answer» Correct Answer - c | |
| 1146. |
Which of the following occurs both in fresh as wll as in marine waterA. OedogoniumB. CladophoraC. SpirogyraD. None of these |
| Answer» Correct Answer - b | |
| 1147. |
Taxonomy without phylogeny is similar to bones without flesh is the statement ofA. Oswald TippoB. Bentham and HookerC. TakhtajanD. John Hutchinson |
| Answer» Correct Answer - C | |
| 1148. |
External fertilization occurs in majority ofA. AlgaeB. FungiC. LiverwortsD. Mosses |
| Answer» Correct Answer - a | |
| 1149. |
Give the major differences between dicotyledons and monocotyledons. |
|
Answer» The main differences between dicotyledons and monocotyledons are given in tabular form : `{:(,"Dicotyledons","Monocotyledons"),(,1."Plants mainly bear tap roots"" ",1."Plants mainly bear adventions roots."),(,2."Leaves show reticulate venation."" ",2."Leaves show parallel venation."),(,3."Flowers are usually tetra or pentamerous""",3."Flowers are usually trimerous."),(,4."Embryos have two cotyledons.",4."Embryos have one cotyledon."),(,5."Vascular bundles are arranged in ring in stems.",5."Vascular bundles are scattered in the ground tissue in stems."),(,6."Vascular bundles are open with cambium.",6."Vascular bundles are closed and without cambium."):}` |
|
| 1150. |
In Spirogyra, ladder like structure is formed inA. Lateral conjugationB. FragmentationC. Palmella stageD. Scalariform conjugation |
| Answer» Correct Answer - d | |