NEET Biology Previous Year MCQs Set-3

Q1. Satellite RNAs are present in some 

(1) Prions 
(2) Plant viruses 
(3) Bacteriophages 
(4) Viroids 

Answer: (2) Plant viruses

Q2. Specialized cells for fixing atmospheric nitrogen in Nostoc are 

(1) Hormogonia 
(2) Akinetes 
(3) Nodules 
(4) Heterocysts 

Answer: (4) Heterocysts   

Q3. Which one of the following is true for fungi? 

(1) They are heterotrophs 
(2) They are phagotrophs 
(3) They lack nuclear membrane 
(4) They lack a rigid cell wall 

Answer: (1) They are heterotrophs

Q4. Which of the following are likely to be present in deep sea water? 

(1) Saprophytic fungi 
(2) Eubacteria
(3) Archaebacteria 
(4) Blue-green algae 

Answer: (3) Archaebacteria 

Q5. In Pinus/gymnosperms, the haploid structure are 

(1) megaspore, integument and root 
(2) megaspore, endosperm and embryo 
(3) pollen grain, leaf and root 
(4) megaspore, pollen grain and endosperm 

Answer: (4) megaspore, pollen grain and endosperm

Q6. Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as 

(1) Funaria sperms are less mobile 
(2) Pteris archegonia repel Funaria sperms 
(3) Pteris archegonia releases chemicals to attract its sperms 
(4) Funaria sperms get killed by Pteris sperms

Answer: (3) Pteris archegonia releases chemicals to attract its sperms  

Q7. Evolutionarily important character of Selaginella is 

(1) strobili 
(2) heterosporous nature 
(3) ligule 
(4) rhizophore 

Answer: (2) heterosporous nature

Q8. In gymnosperms like Pinus and Cycas, the endosperm is 

(1) diploid 
(2) triploid 
(3) tetraploid 
(4) haploid 

Answer: (4) haploid 

Q9. Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilization. It is 

(1) parthenocarpy 
(2) apospory 
(3) parthenogenesis 
(4) apogamy

Answer: (4) apogamy

Q10. The common mode of sexual reproduction in Chlamydomonas is 

(1) oogamous 
(2) isogamous 
(3) hologamous 
(4) anisogamous 

Answer: (2) isogamous  

Q11. The product of conjugation in Spirogyra or fertilization of Chlamydomonas is 

(1) oospore 
(2) zygospore 
(3) carpospore 
(4) zoospore 

Answer: (2) zygospore  

Q12. Protonema occurs in the life cycle of 

(1) Somatogamy 
(2) Riccia 
(3) Spirogyra 
(4) Funaria 

Answer: (4) Funaria 

Q13. Moss peristome takes part in 

(1) protection 
(2) spore dispersal 
(3) absorption 
(4) photosynthesis 

Answer: (2) spore dispersal

Q14. Apophysis in the capsule of Funaria is 

(1) middle part 
(2) lower part 
(3) fertile part 
(4) upper part 

Answer: (2) lower part

Q15. Which one of the following is not common between Funaria and Selaginella? 

(1) Flagellate sperms 
(2) Archegonium 
(3) Roots 
(4) Embryo 

Answer: (3) Roots 

Q16. The plant group that produces spores and embryos but lacks vascular tissues and seeds is 

(1) Bryophyta 
(2) Pteridophyta 
(3) Phaeophyta 
(4) Rhodophyta 

Answer: (1) Bryophyta 

Q17. A plant in which sporophytic generation is represented by zygote 

(1) Chlamydomonas 
(2) Pinus 
(3) Dryopteris 
(4) Selaginella 

Answer: (1) Chlamydomonas 

Q18. Bryophytes are amphibians because 

(1) they are mostly aquatic 
(2) they require a layer of water for carrying out sexual reproduction 
(3) all the above
(4) they occur in damp places 

Answer: (2) they require a layer of water for carrying out sexual reproduction 

Q19. Which one has the largest gametophyte? 

(1) Selaginella 
(2) Cycas 
(3) Moss 
(4) Angiosperm 

Answer: (3) Moss 

Q20. Pteridophytes differ from mosses/bryophytes in possessing 

(1) archegonia 
(2) independent gametophyte 
(3) flagellate spermatozoids  
(4) well developed vascular system

Answer: (4) well developed vascular system 

Q21. Turpentine is obtained from 

(1) Gymnospermous wood 
(2) Angiospermous wood 
(3) Ferns
(4) Pteridophytes 

Answer: (1) Gymnospermous wood

Q22. Resin and turpentine are obtained from

(1) Cedrus 
(2) Cycas 
(3) Abies 
(4) Pinus 

Answer: (4) Pinus 

Q23. In Pinus, the pollen grain has 6 chromosomes then in its endosperm will have 

(1) 6 
(2) 12 
(3) 24 
(4) 18 

Answer: (1) 6

Q24. A plant having seeds but lacking flowers and fruits belongs to 

(1) Ferns 
(2) Pteridophytes 
(3) Gymnosperms 
(4) Mosses 

Answer: (3) Gymnosperms 

Q25. Which one is the most advanced from evolutionary point of view.  

(1) Chlamydomonas
(2) Selaginella
(3) Pinus 
(4) Funaria 

Answer: (3) Pinus 

Q26. Pinus differs from mango in having 

(1) ovules not enclosed in ovary 
(2) tree habit 
(3) wood 
(4) green leaves

Answer: (1) ovules not enclosed in ovary  

Q27. Pyrenoids are the centres for formation of 

(1) fat 
(2) porphyra 
(3) starch 
(4) enzymes 

Answer: (3) starch 

Q28. Chloroplast of Chlamydomonas is 

(1) collar-shaped 
(2) stellate
(3) spiral 
(4) cup-shaped 

Answer: (4) cup-shaped

Q29. In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of 

(1) zygospore germination 
(2) gamete formation 
(3) vegetative reproduction 
(4) zoospore formation 

Answer: (1) zygospore germination

Q30. The absence of chlorophyll, in the lowermost cell of  Ulothrix, shows 

(1) cell characteristic 
(2) functional fission 
(3) beginning of labour division 
(4) tissue formation 

Answer: (3) beginning of labour division

Q31. Which of the following cannot fix nitrogen?

(1) Spirogyra 
(2) Nostoc 
(3) Anabaena 
(4) Azotobacter 

Answer: (1) Spirogyra 

Q32. In Chlorophyceae, sexual reproduction occurs by 

(1) Oogamy only 
(2) Isogamy and anisogamy 
(3) Anisogamy and oogamy 
(4) Isogamy, anisogamy and oogamy 

Answer: (4) Isogamy, anisogamy and oogamy 

Q33. Unique features of Bryophytes is that they 

(1) lack roots 
(2) produce spores 
(3) lack vascular tissues 
(4) have sporophytes attached to gametophyte 

Answer: (4) have sporophytes attached to gametophyte

Q34. The ‘wing’ of Pinus seed is derived from 

(1) surface of ovuliferous scale 
(2) testa 
(3) all the above 
(4) testa and tegmen

Answer: (1) surface of ovuliferous scale

Q35. In which one of these the elaters are present along with mature spores in the capsule (to help in spore dispersal)? 

(1) Funaria 
(2) Riccia 
(3) Sphagnum 
(4) Marchantia 

Answer: (4) Marchantia 

Q36. The ‘amphibians’ of the plant kingdom are

(1) bryophytes with simple internal organization 
(2) unicellular motile algae 
(3) pteridophytes with complex internal organization not reaching angiosperm level. 
(4) multicellular non-motile algae 

Answer: (1) bryophytes with simple internal organization

Q37. A well developed archegonium with neck consisting of 4-6 rows of neck canal cells, characterises 

(1) Pteridophytes and gymnosperms 
(2) Gymnosperms only 
(3) Gymnosperms and flowering plants 
(4) Bryophytes and pteridophytes 

Answer: (4) Bryophytes and pteridophytes

Q38. The plant body of moss (Funaria) is 

(1) predominantly sporophyte with gametophyte 
(2) completely sporophyte 
(3) predominantly gametophyte with sporophyte 
(4) completely gametophyte 

Answer: (3) predominantly gametophyte with sporophyte 

Q39. Agar is commercially obtained from 

(1) brown algae
(2) red algae 
(3) blue-green algae 
(4) green algae 

Answer: (2) red algae 

Q40. Multicellular branched rhizoids and leafy gametophytes are characteristic of 

(1) all pteridophytes 
(2) all bryophytes 
(3) some pteridophytes 
(4) some bryophytes

Answer: (4) some bryophytes

Q41. An alga very rich in protein is 

(1) Oscillatoria 
(2) Spirogyra 
(3) Chlorella 
(4) Ulothrix 

Answer: (3) Chlorella 

Q42. Blue-green algae belong to 

(1) Rhodophyceae 
(2) Euyotes 
(3) Chlorophyceae 
(4) Proyotes

Answer: (4) Proyotes

Q43. Which one of the following is a living fossil? 

(1) Ginkgo 
(2) Pinus 
(3) Thuja
(4) Opuntia 

Answer: (1) Ginkgo 

Q44. Seed-habit first originated in 

(1) certain monocots 
(2) certain ferns 
(3) primitive dicots 
(4) certain pines 

Answer: (2) certain ferns

Q45. Ulothrix can be described as a 

(1) membranous alga producing zoospores
(2) non-motile colonial algae lacking zoospores 
(3) filamentous alga with flagellated reproductive stages 
(4) filamentous alga lacking flagellated reproductive stages 

Answer: (3) filamentous alga with flagellated reproductive stages 

Q46. Which one of the following statements about Cycas is incorrect? 

(1) Its xylem is mainly composed of xylem vessels 
(2) It does not have a well-organized female flower 
(3) Its roots contain some blue-green algae. 
(4) It has circinate vernation 

Answer: (1) Its xylem is mainly composed of xylem vessels 

Q47. Brown algae is characterised by the presence of 

(1) fucoxanthin 
(2) phycocyanin 
(3) haematochrome 
(4) phycoerythrin 

Answer: (1) fucoxanthin   

Q48. Bryophytes can be separated from algae because they 

(1) possess archegonia with outer layer of sterile cells 
(2) are thalloid forms 
(3) contain chloroplasts in their cells /
(4) have no conducting tissue 

Answer: (1) possess archegonia with outer layer of sterile cells  

Q49. Ulothrix filaments produce 

(1) heterogametes 
(2) isogametes 
(3) basidiospores 
(4) anisogametes 

Answer: (2) isogametes 

Q50. Bryophytes comprise 

(1) dominant phase of gametophyte which produces spores 
(2) sporophyte of longer duration 
(3) small sporophyte phase and generally parasitic on gametophyte.
(4) dominant phase of sporophyte which is parasitic 

Answer: (3) small sporophyte phase and generally parasitic on gametophyte

Q51. The antherozoids of Funaria are 

(1) multiciliated 
(2) aciliated 
(3) monociliated 
(4) flagellated 

Answer: (4) flagellated  

Q52. Largest sperms in the plant world are found in 

(1) Cycas 
(2) Pinus 
(3) Thuja 
(4) Banyan 

Answer: (1) Cycas 

Q53. The “walking” fern is so named because 

(1) it knows how to walk by itself 
(2) it is dispersed through the agency of walking animals 
(3) its spores are able to walk 
(4) it propagates vegetatively by its leaf tips 

Answer: (4) it propagates vegetatively by its leaf tip

Q54. Bryophytes are dependent on water because 

(1) the sperms can easily reach upto egg in the archegonium 
(2) water is essential for fertilization for their homosporous nature
(3) archegonium has to remain filled with water for fertilization 
(4) water is essential for their vegetative propagation 

Answer: (1) the sperms can easily reach upto egg in the archegonium 

Q55. The largest ovules, largest male and female gametes and largest plants are found among 

(1) Gymnosperms 
(2) Angiosperms 
(3) Dicotyledonous plants 
(4) Tree ferns and some monocots 

Answer: (1) Gymnosperms 

Q56. Dichotomous branching is found in 

(1) Liverworts 
(2) Fern 
(3) Marchantia 
(4) Funaria 

Answer: (3) Marchantia 

Q57. Columella is a specialised structure found in the sporangium of 

(1) Spirogyra 
(2) Ulothrix 
(3) None of these 
(4) Rhizopus 

Answer: (4) Rhizopus 

Q58. Which of the following is true about bryophytes? 

(1) They are thalloid 
(2) They possess archegonia 
(3) All of these 
(4) They contain chloroplast 

Answer: (3) All of these

Q59. In which of the following would you place the plants having vascular tissue lacking seeds? 

(1) Pteridophytes 
(2) Algae 
(3) Gymnosperms 
(4) Bryophytes 

Answer: (1) Pteridophytes 

Q60. Cycas have two cotyledons but not included in angiosperms because of 

(1) Circinate ptyxis 
(2) Naked ovules
(3) Compound leaves
(4) Seems like monocot 

Answer: (2) Naked ovules

Q61. A research student collected certain alga and found that its cells contained both chlorophyll a and chlorophyll b as well as phycoerythrin. The alga belongs to 

(1) Chlorophyceae 
(2) Rhodophyceae 
(3) Phaeophyceae 
(4) Bacillariophyceae 

Answer: (2) Rhodophyceae 

Q62. Floridean starch is found in 

(1) Myxophyceae 
(2) Chlorophyceae 
(3) Cyanophyceae 
(4) Rhodophyceae 

Answer: (4) Rhodophyceae  

Q63. One of the most important reasons why wild plants should thrive is that they are good sources of 

(1) genes for resistance to disease and pests 
(2) highly nutritive animal feed 
(3) very rare and highly sought after fruits of medical importance 
(4) unsaturated edible oils 

Answer: (1) genes for resistance to disease and pests

Q64. In Ferns meiosis occurs when 

(1) spores are formed 
(2) spore germinates 
(3) antheridia and archegonia are formed 
(4) gametes are formed 

Answer: (1) spores are formed 

Q65. Which one pair of examples will correctly represent the grouping of Spermatophyta according to one of the schemes of classifying plants? 

(1) Pinus, Cycas 
(2) Ginkgo, Pisum 
(3) Rhizopus, Triticum 
(4) Acacia, Sugarcane 

Answer: (2) Ginkgo, Pisum

Q66. Which one of the following pairs of plants are not seed producers? 

(1) Funaria and Ficus 
(2) Funaria and Pinus 
(3) Ficus and Chlamydomonas 
(4) Fern and Funaria 

Answer: (4) Fern and Funaria 

Q67. Sexual reproduction in Spirogyra is an advanced feature because it shows 

(1) same size of motile sex organs 
(2) physiologically differentiated sex organs 
(3) morphologically different sex organs 
(4) different sizes of motile sex org

Answer: (2) physiologically differentiated sex organs

Q68. Which of the following is without exception in angiosperms? 

(1) secondary growth 
(2) presence of vessels 
(3) autotrophic nutrition 
(4) double fertilisation 

Answer: (4) double fertilisation

Q69. Which of the following plants produces seeds but not flowers? 

(1) Peepal 
(2) Maize 
(3) Pinus 
(4) Mint 

Answer: (3) Pinus 

Q70. Peat Moss is used as a packing material for sending flowers and live plants to distant places because 

(1) it serves as a disinfectant 
(2) it is hygroscopic 
(3) it is easily available 
(4) It reduces transpiration 

Answer: (2) it is hygroscopic 

Q71. In a moss the sporophyte 

(1) manufactures food for itself as well as for the gametophyte 
(2) produces gametes that give rise to the gametophyte 
(3) is partially parasitic on the gametophyte 
(4) arises from a spore produced from the gametophyte 

Answer: (3) is partially parasitic on the gametophyte 

Q72. Match items in Column I with those in Column II: Column I Column II (A) Peritrichous (J) Ginkgo flagellation (B) Living fossil (K) Macrocystis (C) Rhizophore (L) Escherichia coli (D) Smallest (M) Selaginella flowering plant (E) Largest perennial (N) Wolffia alga Select the correct Answer from the following: join 

(1) A-N; B-L; C-K; D-N; E-J; 
(2) A-L; B-J; C-M; D-N; E-K; 
(3) A-J; B-K; C-N; D-L; E-K 
(4) A-K; B-J; C-L; D-M; E-N 

Answer: (2) A-L; B-J; C-M; D-N; E-K;

Q73. Which one of the following is a living fossil? 

(1) Saccharomyces 
(2) Cycas 
(3) Spirogyra 
(4) Moss 

Answer: (2) Cycas 

Q74. Which of the following propagates through leaf- tip? 

(1) Marchantia 
(2) Walking fern 
(3) Moss 
(4) Sprout-leaf plant 

Answer: (2) Walking fern 

Q75. In gymnosperms, the pollen chamber represents 

(1) the microsporangium in which pollen grains develop 
(2) a cavity in the ovule in which pollen grains are stored after pollination 
(3) a cell in the pollen grain in which the sperms are formed. 
(4) an opening in the megagametophyte through which the pollen tube approaches the egg

Answer: (1) the microsporangium in which pollen grains develop

Q76. Flagellated male gametes are present in all the three of which one of the following sets? 

(1) Riccia, Dryopteris and Cycas 
(2) Zygnema, Saprolegnia and Hydrilla 
(3) Anthoceros, Funaria and Spirogyra 
(4) Fucus, Marsilea and Calotropis 

Answer: (1) Riccia, Dryopteris and Cycas

Q77. If you are asked to classify the various algae into distinct groups, which of the following characters you should choose? 

(1) chemical composition of the cell wall 
(2) nature of stored food materials in the cell 
(3) types of pigments present in the cell. 
(4) structural organization of thallus 

Answer: (3) types of pigments present in the cell

Q78. In the prothallus of a vascular cryptogam, the antherozoids and eggs mature a different times. As a result 

(1) self-fertilization is prevented 
(2) there is high degree of sterility 
(3) there is no change in success rate of fertilization 
(4) one can conclude that the plant is apomictic 

Answer: (1) self-fertilization is prevented

Q79. Conifers differ from grasses in the 

(1) formation of endosperm before fertilization 
(2) lack of xylem tracheids 
(3) production of seeds from ovules 
(4) absence of pollen tubes 

Answer: (1) formation of endosperm before fertilization

Q80. Which one of the following plants is monoecious? 

(1) Papaya 
(2) Pinus 
(3) Marchantia 
(4) Cycas 

Answer: (2) Pinus 

Q81. Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms 

(1) perianth and two integuments 
(2) absence of resin duct and leaf venation  
(3) embryo development and apical meristem 
(4) presence of vessel elements and absence of archegonia 

Answer: (4) presence of vessel elements and absence of archegonia

Q82. Which one of the following is heterosporous? 

1) Adiantum
(2) Dryopteris 
(3) Equisetum 
(4) Salvinia 

Answer: (4) Salvinia 

Q83. In which one of the following, male and female gametophytes do not have free living independent existence? 

(1) Polytrichum 
(2) Pteris 
(3) Cedrus 
(4) Funaria 

Answer: (3) Cedrus  

Q84. Spore dissemination in some liverworts is aided by 

(1) peristome teeth
(2) indusium 
(3) elaters 
(4) calyptra 

Answer: (3) elaters 

Q85. Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups: 

(1) Protists and mosses 
(2) Eubacteria and archaea 
(3) Liverworts and yeasts 
(4) Cyanobacteria and diatoms 

Answer: (2) Eubacteria and archaea 

Q86. Algae have cell walls made up of: 

(1) pectins, cellulose and proteins  
(2) cellulose, galactans and mannans
(3) cellulose, hemicellulose and pectins 
(4) hemicellulose, pectins and proteins 

Answer: (2) cellulose, galactans and mannans

Q87. Male and female gametophytes are independent and free – living in: 

(1) Pinus 
(2) Mustard 
(3) Sphagnum 
(4) Castor 

Answer: (3) Sphagnum 

Q88. Which one of the following is a vascular cryptogam? 

(1) Cedrus 
(2) Ginkgo
(3) Equisetum 
(4) Marchantia 

Answer: (3) Equisetum   

Q89. Which one of the following has a haplontic life cycle? 

(1) Wheat 
(2) Polytrichum 
(3) Funaria 
(4) Ustilago 

Answer: (4) Ustilago 

Q90. Read the following five statements (A – E) and answer the question. (A) In Equisetum the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo 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 molds lack cell walls. How many of the above statements are correct?  

(1) Four
(2) Two 
(3) One 
(4) Three 

Answer: (2) Two 

Q91. Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses 

(1) Mode of Nutrition 
(2) Diplontic life cycle 
(3) Multiplication by fragmentation 
(4) Members of kingdom plantae 

Answer: (3) Multiplication by fragmentation

Q92. Which one of the following is a correct statement? 

(1) Antheridiophores and archegoniophores are present in pteridophytes. 
(2) Pteridophyta gametophyte has a protonema and leafy stage 
(3) Origin of seed habit can be traced in pteridophytes 
(4) In gymnosperms female gametophyte is free-living 

Answer: (3) Origin of seed habit can be traced in pteridophytes

Q93. Cycas and Adiantum resemble each other in having: 

(1) Cambium 
(2) Seeds 
(3) Vessels
(4) Motile Sperms 

Answer: (4) Motile Sperms

Q94. In angiosperms, the functional megaspore develops into 

(1) endosperm 
(2) embryo sac 
(3) pollen sac 
(4) ovule 

Answer: (2) embryo sac

Q95. Which of the following is not correctly matched for the organism and its cell wall degrading enzyme? 

(1) Fungi-Chitinase 
(2) Plant cells-Cellulase
(3) Bacteria-Lysozyme 
(4) Algae-Methylase 

Answer: (4) Algae-Methylase

Q96. Read the following statements (A-E) and answer the question which follows them. 1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious. How many of the above statements are correct? 

(1) Four 
(2) Two
(3) One 
(4) Three 

Answer: (4) Three 

Q97. Isogamous condition with non-flagellated gametes is found in: 

(1) Fucus 
(2) Spirogyra 
(3) Chlamydomonas 
(4) Volvox 

Answer: (2) Spirogyra    

Q98. Besides paddy fields cyanobacteria are also found inside vegetative part of: 

(1) Psilotum 
(2) Cycas 
(3) Pinus  
(4) Equisetum 

Answer: (2) Cycas 

Q99. Which one of the following pairs is wrongly matched? 

(1) Viroids – RNA 
(2) Ginkgo -Archegonia
(3) Mustard – Synergids 
(4) Salvinia – Prothallus 

Answer: (2) Ginkgo -Archegonia

Q100. Organ Pipe Coral is 

(1) Heliopora 
(2) Tubipora 
(3) Fungia 
(4) Astraea 

Answer: (2) Tubipora