The Living World PYQs Set 4 (PDF)

Set 4 of 7 · Questions 91-120 of 197

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Mere Teacher · Previous Year Questions NEET Biology · The Living World · Set 4 (Q91-120)
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91. $In the taxonomic categories which hierarchial arrangement in ascending order is correct in case of animals?$ (1) $Kingdom, Class, Phylum, Family, Order, Genus, Species$ (2) $Kingdom, Order, Class, Phylum, Family, Genus, Species$ (3) $Kingdom, Order, Phylum, Class, Family, Genus, Species$ (4) $Kingdom, Phylum, Class, Order, Family, Genus, Species$ 92. $Which one of the following is wrong statement?$ (1) $Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins$ (2) $Nitrosomonas and Nitrobacter are chemoautotrophs$ (3) $Anabaena and Nostoc are capable of fixing nitrogen in free-living state also$ (4) $Root nodule forming nitrogen fixers live as aerobes under free-living conditions$ 93. $In bryophytes and pteridophytes, transport of male gametes requires :-$ (1) $Wind$ (2) $Insects$ (3) $Birds$ (4) $Water$ 94. $Which among the following is not a prokaryote?$ (1) $Saccharomyces$ (2) $Mycobacterium$ (3) $Nostoc$ (4) $Oscillatoria$ 95. $Phylogenetic system of classification is based on:-$ (1) $Floral characters$ (2) $Evolutionary relationships$ (3) $Morphological features$ (4) $Chemical constituents$ 96. $Flagellated male gametes are present in all the three of which one of the following sets?$ (1) $Riccia, Dryopteris and Cycas$ (2) $Anthoceros, Funaria and Spirogyra$ (3) $Zygnema, Saprolegnia and Hydrilla$ (4) $Fucus, Marsilea and Calotropis$ 97. $The chief water conducting elements of xylem in gymnosperms are :$ (1) $Tracheids$ (2) $Vessels$ (3) $Fibres$ (4) $Transfusion tissue$ 98. $How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces,m Saccharomyces, Trypanosoma, Porphyra, Wolfia$ (1) $Six$ (2) $Three$ (3) $Four$ (4) $Five$ 99. $Which one of the following is a vascular cryptogam$ (1) $Cedrus$ (2) $Equisetum$ (3) $Ginkgo$ (4) $Marchantia$ 100. $Which one of the following structures is haploid in its ploidy level?$ (1) $Microspore Mother Cell$ (2) $Protonemal cell of a moss$ (3) $Primary endosperm nucleus in dicot$ (4) $Primary Endospore Nucleus$ 101. $Which of the following statements is correct?$ (1) $Lichens do not grow in polluted areas.$ (2) $Algal component of lichens is called mycobiont.$ (3) $Fungal component of lichens is called phycobiont$ (4) $Lichens are not good pollution indicators$ 102. $Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be :-$ (1) $Smaller but to have larger sex organs$ (2) $Larger but to have smaller sex organs$ (3) $Larger and to have larger sex organs$ (4) $Smaller and to have smaller sex organs$ 103. $In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result :$ (1) $Self fertilization is prevented$ (2) $There is no change in success rate of fertilization$ (3) $There is high degree of sterility$ (4) $One can conclude that the plant is apomictic$ 104. $Which of the following statement is correct?$ (1) $Ovules are not enclosed by ovary wall in gymnosperms$ (2) $Selaginella is heterosporous, while Salvinia is homosporous$ (3) $Horsetails are gymnosperms$ (4) $Stems are usually unbranched in both Cycas and Cedrus$ 105. $One gene - one enzyme relationship was established for the first time in :-$ (1) $Diplococcus pneumoniae$ (2) $Neurospora crassa$ (3) $Salmonella typhimurium$ (4) $Escherichia Coli$ 106. $Match List - I with List - II : List - I (A) Chlamydomonas (B) Cycas (C) Selaginella (D) Sphagnum List - II (I) Moss (II) Pteridophyte (III) Alga (IV) Gymnosperm Choose the correct answer from the options given below :$ (1) $(A) - (III), (B) - (I), (C) - (II), (D) - (IV)$ (2) $(A) - (III), (B) - (IV), (C) - (II), (D) - (I)$ (3) $(A) - (III), (B) - (II), (C) - (I), (D) - (IV)$ (4) $(A) - (II), (B) - (III), (C) - (I), (D) - (IV)$ 107. $Spore dissemination in some liverworts is aided by:$ (1) $Peristome teeth$ (2) $Elaters$ (3) $Indusium$ (4) $Calyptra$ 108. $The lable of a herbarium shet does not carry information on :$ (1) $Local names$ (2) $height of the plant$ (3) $date of collection$ (4) $name of collector$ 109. $Which one of the following statements is wrong?$ (1) $Agar - agar is obtained from Gelidium and Gracilaria$ (2) $Chlorella and Spirulina are used as space food$ (3) $Mannitol is stored food in Rhodophyceae$ (4) $Algin and carragen are products of algae$ 110. $Select the correct combination of the statement (a-d) regarding the characteristics of certain organisms : (i) Methanogens are Archaebacteria which produce methane in marshy areas (ii) Nostoc is filamentous blue-green alga which fixes atmospheric nitrogen (iii) Chemoysynthetic autotrophic bacteria synthesize cellulose from glucose (iv) Mycoplasma lack a cell wall and can survive without oxygen The correct statements are:$ (1) $(i), (ii), (iii)$ (2) $(ii), (iii), (iv)$ (3) $(i), (ii), (iv)$ (4) $(ii), (iii)$ 111. $Male and female gametophytes are independent and free-living in :-$ (1) $Sphagnum$ (2) $Mustard$ (3) $Castor$ (4) $Pinus$ 112. $Which one of the following is not a correct statements ?$ (1) $Key is taxonomic aid for identification of specimens$ (2) $Herbarium houses dried, pressed and preserved plant specimens$ (3) $Botanical gardens have collection of living plants for reference$ (4) $A museum has collection of photographs of plants and animals$ 113. $Which one of the following is considered important in the development of seed habit?$ (1) $Free-living gametophyte$ (2) $Dependent sporophyte$ (3) $Heterospory$ (4) $Haplontic life cycle$ 114. $Which one one of the following matches is correct?$ (1) $Altemaria Sexual reproduction absent Deuteromycetes$ (2) $Mucor Reproduction by Conjugation Ascomycetes$ (3) $Agaricus Parasitic fungus Basidiomycetes$ (4) $Phytophthora Aseptate mycelium Basidiomycetes$ 115. $Which of the following are likely to be present in deep sea water?$ (1) $Saprophytic fungi$ (2) $Archaebacteria$ (3) $Eubacteria$ (4) $Blue-green algae$ 116. $Which of the following is incorrect about Cynobacteria?$ (1) $They are photoautotrophs$ (2) $They lack heterocysts$ (3) $They often form blooms in polluted water bodies$ (4) $They have chlorophyll A similar to green plants$ 117. $Two microbes found to be very useful in genetic engineering are :$ (1) $Diplococcus sp. and Pseudomonas sp.$ (2) $Crown gall bacterium and Caenorhabditis elegans$ (3) $Escherichia coli and Agrobacterium tumefaciens$ (4) $Vibrio cholerae and a tailed bacteriophage$ 118. $Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus$ (1) $Mangifera indica Car. Linn.$ (2) $Mangifera indica Linn.$ (3) $Mangifera indica Car.$ (4) $Mangifera Indica$ 119. $Archaebacteria differ from eubacteria in :$ (1) $Cell membrane$ (2) $Mode of nutrition$ (3) $Cell shape$ (4) $Mode of reproduction$ 120. $Read the following five statements (A - E) and answer as asked next to them :- (A) In Equisetum the female gametophyte is retained on the parent sporophyte (B) In Ginkgo male gametophyte is not independent (C) The sporophyte in Riccia is more developed than that in Polytrichum (D) Sexual reproduction in - Volvox is isogamous (E) The spores of slime molds lack cell walls How many of the above statements are correct?$ (1) $Four$ (2) $One$ (3) $Two$ (4) $Three$