The Living World PYQs Set 3 (PDF)

Set 3 of 7 · Questions 61-90 of 197

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher · Previous Year Questions NEET Biology · The Living World · Set 3 (Q61-90)
Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.
61. $Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by_________ .$ (1) $Bacterium$ (2) $Virus$ (3) $Viroid$ (4) $Prion$ 62. $Which of the following statements is incorrect?$ (1) $Morels and truffles are edible delicacies.$ (2) $Claviceps is a source of many alkaloids and LSD.$ (3) $Conidia are produced exogenously and ascospores endogenously.$ (4) $Yeasts have filamentous bodies with long thread-like hyphae.$ 63. $In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?$ (1) $Archaea completely differ from both prokaryotes and eukaryotes$ (2) $Archaea completely differ from prokaryotes$ (3) $Archaea resemble eukarya in all respects$ (4) $Archaea have some novel features that are absent in other pyokaryotes and eukaryotes$ 64. $A prokaryotic autotrophic nitrogen fixing symbiont is found in :-$ (1) $Alnus$ (2) $Cycas$ (3) $Cicer$ (4) $Pisum$ 65. $Monoecious plant of Chara shows occurrence of:$ (1) $upper oogonium and lower antheridium on the same plant$ (2) $antheridiophore and archegoniophore on the same plant$ (3) $stamen and carpel on the same plant$ (4) $upper antheridium and lower oogonium on the same plant$ 66. $Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups:$ (1) $Liverworts and yeasts$ (2) $Eubacteria and archaea$ (3) $Cyanobacteria and diatoms$ (4) $Protists and mosses$ 67. $Oxygen is not produced during photosynthesis by$ (1) $Green sulphur bacteria$ (2) $Nostoc$ (3) $Cycas$ (4) $Chara$ 68. $Single-celled eukaryotes are included in :-$ (1) $Monera$ (2) $Protista$ (3) $Fungi$ (4) $Archaea$ 69. $Match the organisms in column-I with habitats in column-II Column-I (A) Halophiles (B) Thermoacidophiles (C) Methanogens (D) Cyanobacteria Column-II (I) Hot springs (II) Aquatic environment (III) Guts of ruminants (IV) Salty area Select the correct answer from the options given below :-$ (1) $(A)-(IV), (B)-(I), (C)-(III), (D)-(II)$ (2) $(A)-(I), (B)-(II), (C)-(III), (D)-(IV)$ (3) $(A)-(III), (B)-(IV), (C)-(II), (D)-(I)$ (4) $(A)-(II), (B)-(IV), (C)-(III), (D)-(I)$ 70. $Which of the following is incorrectly matched?$ (1) $Ulothrix - Mannitol$ (2) $Porphyra - Floridian Starch$ (3) $Volvox - Starch$ (4) $Ectocarpus - Fucoxanthin$ 71. $Which one is the wrong pairing for the disease and its causal organism?$ (1) $Root-knot of vegetables - Meloidogyne sp$ (2) $Late blight of potato - Alternaria solani$ (3) $Black rust to wheat - Puccinia graminis$ (4) $Loose smut of wheat - Ustilago nuda$ 72. $Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?$ (1) $Cicer arietinum$ (2) $Casuarina equisetifolia$ (3) $Crotalaria juncea$ (4) $Cycas revoluta$ 73. $Which of the following structures is not found in prokaryotic cells?$ (1) $Plasma membrane$ (2) $Nuclear envelope$ (3) $Ribosome$ (4) $Mesosome$ 74. $Which of the following plants is monoecious?$ (1) $Carica papaya$ (2) $Chara$ (3) $Marchantia polymorpha$ (4) $Cycas circinalis$ 75. $Curing of tea leaves is brought about by the activity of :$ (1) $viruses$ (2) $fungi$ (3) $bacteria$ (4) $mycorrhiza$ 76. $In the five-kingdom classification, Chlamydomonas and Chlorella have been included in :$ (1) $Plantae$ (2) $Monera$ (3) $Protista$ (4) $Algae$ 77. $Which of the following are true about the taxonomical aid 'key'? (i) Keys are based on the similarities and dissimilarities. (ii) Key is analytical in nature. (iii) Keys are based on the contrasting characters in pair called couplet. (iv) Same key can be used for all taxonomic categories. (v) Each statement in the key is called Lead. Choose the most appropriate answer from the options given below :$ (1) $(i), (ii) and (iii) only$ (2) $(ii), (iii) and (iv) only$ (3) $(i), (ii), (iii) and (v) only$ (4) $(i), (iii), (iv) and (v) only$ 78. $In gymnosperms, the pollen chamber represents:$ (1) $The microsporangium in which pollen grains develop$ (2) $A cell in the pollen grain in which the sperms are formed$ (3) $A cavity in the ovule in which pollen grains are stored after pollination$ (4) $An opening in the megagametophyte through which the pollen tube approaches the egg$ 79. $Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?$ (1) $Fungi - Chitinase$ (2) $Bacteria - Lysozyme$ (3) $Plant cells - Cellulase$ (4) $Algae - Methylase$ 80. $Identify the fungi which do not belong to the group of other fungi among the following.$ (1) $Puffballs$ (2) $Mushrooms$ (3) $Bracket Fungi$ (4) $Sac-fungi$ 81. $The gametophyte is not an independent, free living generation in:-$ (1) $Polytrichum$ (2) $Adiantum$ (3) $Marchantia$ (4) $Pinus$ 82. $Which of the following components provides sticky character to the bacterial cell?$ (1) $Nuclear membrane$ (2) $Plasma membrane$ (3) $Glycocalyx$ (4) $Cell wall$ 83. $Which of the following pairs is of unicellular algae?$ (1) $Chlorella and Spirulina$ (2) $Laminaria and Sargassum$ (3) $Gelidium and Gracilaria$ (4) $Anabaena and Volvox$ 84. $Match column I with column II for mango classification and select the correct option using the codes given below. Column - I (A) Division (B) Order (C) Family (D) Class Column - II (I) Sapindales (II) Anacardiaceae (III) Dicotyledonae (IV) Angiospermae$ (1) $A-II, B-III, C-IV, D-I$ (2) $A-III, B-IV, C-I, D-II$ (3) $A-IV, B-I, C-III, D-II$ (4) $A-IV, B-I, C-II, D-III$ 85. $Bacterial leaf blight of rice is caused by a species of :-$ (1) $Alternaria$ (2) $Erwinia$ (3) $Xanthomonas$ (4) $Pseudomonas$ 86. $Moss peat is used as a packing material for sending flowers and live plants to distant places because :$ (1) $it reduces transpiration$ (2) $it serves as a disinfectant$ (3) $it is easily available$ (4) $it is hygroscopic$ 87. $An organism used as a biofertilizer for raising soyabean crop is :-$ (1) $Azotobacter$ (2) $Azospirillum$ (3) $Rhizobium$ (4) $Nostoc$ 88. $Hydrocolloid carrageen is obtained from :$ (1) $Phaeophyceae and Rhodophyceae$ (2) $Rhodophyceae only$ (3) $Phaeophyceae only$ (4) $Chlorophyceae and Phaeophyceae$ 89. $Conifers are adapated to tolerate extreme environmental conditions because of :$ (1) $thick cuticle$ (2) $presence of vessels$ (3) $broad hardy leaves$ (4) $superficial stomata$ 90. $Which one of the following plants is monoecious?$ (1) $Papaya$ (2) $Marchantia$ (3) $Pinus$ (4) $Cycas$