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. |
The tallest tree species of the gymnosperms isA. CycasB. PinusC. SequoiaD. None of the Above |
| Answer» Correct Answer - C | |
| 102. |
Which of the following gymnosperms has branched stems?A. PinusB. CycasC. CedrusD. Both a and c |
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Answer» Correct Answer - D Pinus and cedrus have branched stem. The main stem shows monopodial branching. Stem braches are of two types, long and dwarf. The dwarf branches posses 1-5 needle-like foliage leaves which are surrounded at the base by a sheath of scale leaves. |
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| 103. |
Non-vascular embryophyte with leaves isA. RicciaB. PorellaC. SelaginellaD. Macrocystis |
| Answer» Correct Answer - B | |
| 104. |
Bryophytes are not characterized byA. Sporophyte parasitic over gametophyteB. Independent gametophyteC. Absence of vascular tissuesD. Independent sporophyte |
| Answer» Correct Answer - D | |
| 105. |
Of the four widely known systems of classification one remains less phylogenetic and more natural, which is ofA. Engler `&` PrantlB. Benthan `&` HookerC. RendleD. Hutchinson |
| Answer» Correct Answer - B | |
| 106. |
Fern sperms (antherozoids) areA. MultiflagellatedB. PentaflagellatedC. BiflagellatedD. Non-flagellated |
| Answer» Correct Answer - A | |
| 107. |
In mosses the sex organs are present in theA. Protonema stageB. Sporophytic stageC. Leafy stageD. Both (1) & (2) |
| Answer» Correct Answer - C | |
| 108. |
In pteridophytes, spores germinate to give rise toA. ProthallusB. ProtonemaC. Leafy stageD. Strobili |
| Answer» Correct Answer - A | |
| 109. |
Stems and leaves of bryophytes areA. Analogous to vascular plantsB. Homologous to vascular plantsC. Analogous to algae & fungal thallusD. Non of these |
| Answer» Correct Answer - A | |
| 110. |
Stems and leaves of bryophytes areA. Analogous to vascular plantsB. Homologous to vascular plantsC. Analogous to algae thallusD. None of these |
| Answer» Correct Answer - A | |
| 111. |
One of the tallest species isA. PinusB. SequoiaC. CycasD. Cedrus |
| Answer» Correct Answer - B | |
| 112. |
Phylogenetic system of classification is based onA. Morphological featuresB. Chemical constituentsC. Floral charactersD. Evolutionary relationships |
| Answer» Correct Answer - D | |
| 113. |
Antherozoids representsA. Male gametophyteB. Photosynthetic sporophyteC. Female gametophyteD. Motile male gametes |
| Answer» Correct Answer - D | |
| 114. |
Antherozoids of fern areA. SphericalB. CoiledC. MultifagellateD. All of the above |
| Answer» Correct Answer - d | |
| 115. |
Presence of cilated antherozoids in Dryopteris indicatesA. Terrestrial habitB. Aquatic ancestryC. Both a and bD. None of these |
| Answer» Correct Answer - b | |
| 116. |
After germination the megaspore give rise toA. Female gametophyteB. AntheridiaC. Male gametophyteD. Antherozoid |
| Answer» Correct Answer - A | |
| 117. |
In pteridophytes, fusion of gametes takes place inA. External mediumB. AntheridiumC. SporangiumD. Archegonium |
| Answer» Correct Answer - D | |
| 118. |
The main plant body is differentiated into true root, stem and leaves inA. Green algaeB. BryophytesC. Blue green algaeD. Pteridophytes |
| Answer» Correct Answer - D | |
| 119. |
Plants which are not differentiated into roots, stems and leaves areA. AlgaeB. GymnospermsC. PteridophytesD. Angiosperms |
| Answer» Correct Answer - A | |
| 120. |
Antherozoids representsA. Male gametophyteB. Photosynthetic prothallusC. Motile male gametes produced in antheridiaD. Well differentiated sporophyte |
| Answer» Correct Answer - C | |
| 121. |
Evolutionarily the first terrestrial plants to possess vascular tissues areA. Green algaeB. PteridophytesC. Brown algaeD. Bryophytes |
| Answer» Correct Answer - B | |
| 122. |
The main plant body is differentiated into true root, stem and leaves inA. SelaginellaB. MarchantiaC. PorphyraD. Chara |
| Answer» Correct Answer - A | |
| 123. |
A plant that possess vascular tissues isA. FunariaB. EquisetumC. PolytrichumD. Sphagnum |
| Answer» Correct Answer - B | |
| 124. |
Which of the following statements is/are incorrect regarding bryophytesA. Zygote undergoes meiosis to produce sporophyteB. Zygote undergoes mitosis to form embryo properC. Fertilization takes place in presence of waterD. Sporophyte is parastic over gemetophyte |
| Answer» Correct Answer - a | |
| 125. |
Which of the following statement is incorrect regarding bryophytes ?A. They are dependent on water for sexual reproductionB. The main plant body is diploidC. They usually occur in damp, humid and shaded localitiesD. They play an important role in plant succession on bare rocks |
| Answer» Correct Answer - B | |
| 126. |
Which of the following statement is incorrect regarding bryophytes ?A. The female sex organ is flask shapedB. The antherozoids are released into waterC. The antherozoids are biflagellatedD. Zygote formed undergoes meiosis immediately |
| Answer» Correct Answer - D | |
| 127. |
The leaves of gymnosperms are well-adapted to withstand extremes of temperature, humidity and wind, because of which of the following features?A. Needle like leavesB. Thick cuticleC. Sunken stomataD. all of these. |
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Answer» Correct Answer - D Conifers have a number of xerophytic characters such as needle-like (e.g., pinus), scale-like (e.g,Thuja) or small and leathery leave (e.g Araucaria Thick cuticle, sclerenchymatous hypodermic and stomata to reduce transpiration. They are, thus, well adapted to tide over the winter period when the soild becomes frozen and availability of water is very little. |
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| 128. |
In Funaria, spores shows the beginning ofA. Gametophytic generationB. Sporophytic generationC. CapsuleD. Prothallus |
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Answer» Correct Answer - A In Funaria, spores shows the beginning of gametophytic generation. |
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| 129. |
In Funaria, the haploid structure isA. CapsuleB. SetaC. ColumellaD. Protonema |
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Answer» Correct Answer - D In Funaria, the haploid structure is protonema |
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| 130. |
Flagellated male gametes are present in all the three of which one of the following setsA. Anthoceras, Funaria and SpirogyraB. Zygena,Saprolegnia and HydrillaC. Fucus, Marsilea and CalotropisD. Riccia, Dryopteris and Cycas |
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Answer» Correct Answer - d The make gametes of Riccia and Dryopteris have flagella while male gametes of Cycas have cillia. |
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| 131. |
Flagellated male gametes are present in all the three of which one of the following setsA. Riccia , Dryopteris and CycasB. Anthoceros , Funaria and SpirogyraC. Zygnema , Saprolegnia and HydrillaD. Fucus , Marsilea and Calotropis |
| Answer» Correct Answer - A | |
| 132. |
Male gametes are flagellated inA. SpirogyraB. PolysiphoniaC. AnabeanaD. Ectocarpus |
| Answer» Correct Answer - D | |
| 133. |
Flagellated male gametes are present in all the three of which one of the following setsA. Zygnema, Saprolegnia, and HydrillaB. Fucus, Marsilea, and CalotropisC. Riccia, Dryopteris, and CycasD. Anthoceros, Funaria, and Spirogyra |
| Answer» Correct Answer - C | |
| 134. |
Male gametes are flagellated inA. AnabaenaB. EctocarpusC. SpirogyraD. Polysiphonia |
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Answer» Correct Answer - b `{:("Anabaena",-,"Non flagellated make gamete"),("Spirogyra",-,"Aplanogamy"),("Polysiphonia",-,"Non motile spermatia"),("Ectocarpus",-,"Pear shaped motile male gametes"):}` |
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| 135. |
Assertion: The micropyle of Pinus ovule contains pollination drop for catching the pollen. Reason: The ovule of Pinus is unitegmic and orthotropous.A. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, but Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - c | |
| 136. |
Pollination of pollen grains in Pinus takes place atA. Two-celled stageB. Three-celled stageC. Four-celled stageD. Five-celled stage |
| Answer» Correct Answer - C | |
| 137. |
Pollination of pollen grains in Pinus takes place atA. One celled stageB. Two celled stageC. Three celled stageD. Four celled stage |
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Answer» Correct Answer - d Pollination in Pinus takes place when two prothallial cell, one generative cell and one tube cell are formed. |
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| 138. |
Pollen grains in Pinus, develops inside theA. Pollen chamberB. MicrosporangiumC. MicrogametangiumD. Anther |
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Answer» Correct Answer - B Pollen grains in Pinus, develops inside the microsporangium. |
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| 139. |
Life cycle of Ectocarpus and Fucus respectivley areA. Haplontic , DiplonticB. Diplontic,HaplodiplonticC. Haplodiplontic,DiplonticD. Haplodiplontic, Haplontic |
| Answer» Correct Answer - c | |
| 140. |
Life cycle of Ectocarpus and Fucus respectivley areA. haplontic,diplonticB. diplontic,haplodiplonticC. haplodiplontic,diplonticD. haplodiplontic,haplontic |
| Answer» Correct Answer - C | |
| 141. |
Life cycle of Ectocarpus and Fucus respectivley areA. Diplontic, HaplodiplonticB. Haplodiplontic,DiplonticC. Haplondiplontic, HaplonticD. Haplontic,Diplontic |
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Answer» Correct Answer - B Life cycle of Ectocarpus and Fucus respectively are Haplodiplontic and Diplontic. |
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| 142. |
Pollen grains of Pinus areA. MonosaccateB. BisaccateC. Tri-saccateD. Non-saccate |
| Answer» Correct Answer - B | |
| 143. |
Life cycle of Ectocarpus and Fucus respectivley areA. diplontic, haplodiplonticB. haplodiplonic, diplonticC. haplodiplontic, haplonticD. haplontic, diplontic |
| Answer» Correct Answer - B | |
| 144. |
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ?A. PseudomonasB. MycoplasmaC. NostocD. Bacillus |
| Answer» Correct Answer - B | |
| 145. |
Explain why only ferns are often first plants to appear after a forest fire. |
| Answer» Ferns have protected underground rhizomes which survive during a forest fire. They grow to form first plants after a forest fire. | |
| 146. |
Ferns resembie with mosses in one respectA. both are embryophytesB. both are tracheophytesC. both are sporophytesD. both are aquatic |
| Answer» Correct Answer - A | |
| 147. |
Assertion. After a forest fire, ferns are often the first plants to appear. Reason. The rhizomes of ferns survive the forest fire, and develop new leaves.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - A | |
| 148. |
Ferns are characterised byA. cambiumB. xylem vesslesC. young leaves with circinate ptyxis and presence of ramentaD. all of the above. |
| Answer» Correct Answer - C | |
| 149. |
Spike moss isA. SelaginellaB. FunariaC. LycopodiumD. Adiantum |
| Answer» Correct Answer - A | |
| 150. |
Assertion: Seeds are formed by some species of spike moss. Reason: All conditions for seed habit are fulfilled by these species of spike moss.A. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, but Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - D | |