Plant Kingdom PYQs Set 1 (PDF)

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Mere Teacher · Previous Year Questions NEET Biology · Plant Kingdom · Set 1 (Q1-30)
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1. $Cycas and Adiantum resemble each other in having$ (1) $Seeds$ (2) $Motile Sperms$ (3) $Cambium$ (4) $Vessels$ 2. $Which one of the following is responsible for peat formation?$ (1) $Marchantia$ (2) $Riccia$ (3) $Funaria$ (4) $Sphagnum$ 3. $Consider the following four statements and specify whether they are correct or wrong. (A) The sporophyte in liverworts is more elaborate than that in mosses. (B) Salvinia is heterosporous. (C) The life-cycle in all seed-bearing plants is diplontic. (D) In Pinus, the male and female cones are born on different trees. The two wrong statements together are$ (1) $(A) and (C)$ (2) $(A) and (D)$ (3) $(B) and (C)$ (4) $(A) and (B)$ 4. $Which one of the following pairs is wrongly matched?$ (1) $Salvinia - Prothallus$ (2) $Viroids - RNA$ (3) $Mustard - Synergids$ (4) $Ginkgo - Archegonia$ 5. $Choose the correct pattern of arrangement of reproductive structures of gymnosperms.$ (1) $Spores \to Sporophylls \to Sporangia \to Strobili$ (2) $Spores \to Sporangia \to Sporophylls \to Strobili$ (3) $Sporangia \to Sporophylls \to Spores \to Strobili$ (4) $Spores \to Sporangia \to Strobili \to Sporophylls$ 6. $Read the following statements (A to E) and answer the question which follows them. (A) In liverworts, mosses, and ferns the gametophytes are free-living. (B) Gymnosperms and some ferns are heterosporous. (C) Sexual reproduction in Fucus, Volvox and Albugo is oogamous. (D) The sporophyte in liverworts is more elaborate than that in mosses. (E) Both, Pinus and Marchantia are dioecious. How many of the above statements are correct?$ (1) $One$ (2) $Two$ (3) $Three$ (4) $Four$ 7. $Which of the following algae contains mannitol as reserve food material?$ (1) $Gracilaria$ (2) $Volvox$ (3) $Ulothrix$ (4) $Ectocarpus$ 8. $Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be$ (1) $Larger but to have smaller sex organs$ (2) $Larger and to have large sex organs$ (3) $Smaller and to have smaller sex organs$ (4) $Smaller but to have larger sex organs$ 9. $Which one of the following statements is wrong?$ (1) $Algin is obtained from red algae, and carrageen an from brown algae$ (2) $Agar-agar is obtained from Gelidium and Gracilaria$ (3) $Laminaria and Sargassum are used as food$ (4) $Algae increase the level of dissolved oxygen in the immediate environment$ 10. $Which of the following is incorrectly matched?$ (1) $Volvox - Starch$ (2) $Ectocarpus - Fucoxanthin$ (3) $Ulothrix - Mannitol$ (4) $Porphyra - Floridean Starch$ 11. $From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in$ (1) $Liverworts$ (2) $Mosses$ (3) $Pteridophytes$ (4) $Gymnosperms$ 12. $Identify the pair of heterosporous pteridophytes among the following:$ (1) $Equisetum and Salvinia$ (2) $Lycopodium and Selaginella$ (3) $Selaginella and Salvinia$ (4) $Psilolum and Salvinia$ 13. $Isogamous condition with non-flagellated gametes is found in$ (1) $Chlamydomonas$ (2) $Spirogyra$ (3) $Volvox$ (4) $Fucus$ 14. $Pinus seed cannot germinate and established without fungal association. This is because$ (1) $Its embryo is immature$ (2) $It has obligate association with mycorrhizae$ (3) $It has very hard seed coat$ (4) $Its seeds contain inhibitors that prevent germination$ 15. $Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): The first stage of gametophyte in the life cycle of moss is protonema stage. Reason (R): Protonema develops directly from spores produced in capsule.In the light of the above statements, choose the most appropriate answer from the options given below:$ (1) $(A) is not correct but (R) is correct.$ (2) $Both (A) and (R) are correct and (R) is the correct explanation of (A).$ (3) $Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).$ (4) $(A) is correct but (R) is not correct.$ 16. $Floridean starch has structure similar to$ (1) $Amylopectin and glycogen$ (2) $Mannitol and algin$ (3) $Laminarin and cellulose$ (4) $Starch cellulose$ 17. $Conifers are adapted to tolerate extreme environmental conditions because of$ (1) $Superficial stomata$ (2) $Thick cuticle$ (3) $Presence of vessels$ (4) $Broad hardy leaves$ 18. $Selaginella and Salvinia are considered to represent a significant step towards the evolution of seed habit because$ (1) $Female gametophyte is free and gets dispersed like seeds.$ (2) $Female gametophyte lacks archegonia.$ (3) $Megaspores possess endosperm and embryo surrounded by seed coat.$ (4) $Embryo develops in the female gametophyte which is retained on parent sporophyte.$ 19. $Which of the following gametophyte is not independent free living?$ (1) $Funaria$ (2) $Marchantia$ (3) $Pteris$ (4) $Pinus$ 20. $Besides paddy fields, cyanobacteria are also found inside the vegetative part of$ (1) $Pinus$ (2) $Cycas$ (3) $Equisetum$ (4) $Psilotum$ 21. $Read the following five statements (A - E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, the male gametophyte is not independent. (C) The sporophyte in Riccia is more developed than that in Polytrichum. (D) Sexual reproduction in Volvox is isogamous. (E) The spores of slime moulds lack cell walls. How many of the above statements are correct?$ (1) $Three$ (2) $Four$ (3) $One$ (4) $Two$ 22. $Read the following given statements (A to E) and select the option with all correct statements: (A) Mosses and Lichens are the first organisms. [AIPMT 2015] (B) Selaginella a homosporous pteridophyte. (C) Coralloid roots in Cycus have VAM. (D) The main plant body in bryophytes is gametophyte where as in pteridophytes it is sporophytic. (E) In gymnosperms, the male and female gametophytes are present within sporangia located to sporophyte.$ (1) $(A), (C) and (D)$ (2) $(B), (C) and (D)$ (3) $(A), (D) and (E)$ (4) $(B), (C) and (E)$ 23. $Which one of the following statements is wrong?$ (1) $Algin and carrageen are products of algae.$ (2) $Agar-agar is obtained from Gelidium and Gracilaria.$ (3) $Chlorella and Spirulina are used as space food$ (4) $Mannitol is the stored food in Rhodophyceae$ 24. $Male gametes are flagellated in$ (1) $Polysiphonia$ (2) $Anabaena$ (3) $Ectocarpus$ (4) $Spirogyra$ 25. $Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): In gymnosperms the pollen grains are released from the microsporangium and carried by air currents. Reason (R): Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.In the light of the above statements, choose the correct answer from the options given below:$ (1) $(A) is false but (R) is true.$ (2) $Both (A) and are true and (R) is the correct explanation of (A).$ (3) $Both (A) and (R) are true but (R) is NOT the correct explanation of (A).$ (4) $(A) is true but (R) is false.$ 26. $Gemmae are present in$ (1) $Pteriodophytes$ (2) $Some Gymnosperms$ (3) $Some Liverworts$ (4) $Mosses$ 27. $Algae have cell wall made up of$ (1) $Cellulose, hemicellulose and pectins$ (2) $Hemicellulose, pectins and proteins$ (3) $Pectins, cellulose and proteins$ (4) $Cellulose, galactose and mannans$ 28. $Match the plant with the kind of life cycle it exhibits List-I (A) Spirogyra (B) Fern (C) Funaria (D) Cycas List-ll (i) Dominant diploid sporophyte vascular plant, with highly reduced male or femalegametophyte (ii) Dominant haploid free-living gametophyte (iii) Dominant diploid sporophyte alternating with reduced gametophyte called prothallus (iv) Dominant haploid leafygametophyte alternating withpartially dependent multicellularsporophyte Choose the correct answer from the options given below$ (1) $A-(ii), B-(iv), C-(i), D-(iii)$ (2) $A-(iv), B-(i), C-(ii), D-(iii)$ (3) $A-(ii), B-(iii), C-(iv), D-(i)$ (4) $A-(iii), B-(iv), C-(i), D-(ii)$ 29. $Select the wrong statement:$ (1) $Isogametes are similar in structure, function and behaviour.$ (2) $Anisogametes differ either in structure, function or behaviour.$ (3) $In Oomycetes the female gamete is smaller and motile, while the male gamete is larger and non-motile.$ (4) $Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy$ 30. $Which one of the following is a correct statement?$ (1) $Pteridophyte gametophyte has a protonemal and leafy stage.$ (2) $In gymnosperms, the female gametophyte is free living.$ (3) $Antheridiophores and archegoniophores are present in pteridophyte.$ (4) $Origin of seed habit can be traced in pteridophytes.$