The Living World PYQs Set 5 (PDF)

Set 5 of 7 · Questions 121-150 of 197

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Mere Teacher · Previous Year Questions NEET Biology · The Living World · Set 5 (Q121-150)
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121. $Thiobacillus is a group of bacteria helpful in carrying out :$ (1) $Nitrogen fixation$ (2) $Chemoautotrophic fixation$ (3) $Nitrification$ (4) $Denitrificatio$ 122. $In which group of organisms the cells walls form two thin overlapping shells which fit together?$ (1) $Slime moulds$ (2) $Chrysophytes$ (3) $Euglenoids$ (4) $Dinoflagellates$ 123. $Nitrogen flxation in root nodules of Alnus is brought about by :-$ (1) $Frankia$ (2) $Azorhizobium$ (3) $Bradyrhizobium$ (4) $Clostridium$ 124. $Which of the following is responsible for peat formation?$ (1) $Marchantia$ (2) $Riccia$ (3) $Funaria$ (4) $Sphagnum$ 125. $Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?$ (1) $Diplontic life cycle$ (2) $Members of kingdom Planate$ (3) $Mode of Nutrition$ (4) $Multiplication by fragmentation$ 126. $Which of the following characters belongs to the kingdom Protista?$ (1) $Prokaryotic$ (2) $Multicellular$ (3) $All members have cell wall$ (4) $Presence of nuclear membrane$ 127. $Consider the following four statements whether they are correct or wrong : (i) The sporophyte in liverworts is more elaborate than that is mosses. (ii) Salvinia is heterosporous (iii) The life-cycle in all seed-bearing plants is diplontic. (iv) In Pinus male and female cones are borne on different trees. The two wrong statements together are :$ (1) $Statements (i) and (ii)$ (2) $Statements (i) and (iii)$ (3) $Statements (i) and (iv)$ (4) $Statements (ii) and (iii)$ 128. $If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?$ (1) $Chemical composition of the cell wall$ (2) $Types of pigments present in the cell$ (3) $Nature of stored food materials in the cell$ (4) $Structural organization of thallus$ 129. $Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because :-$ (1) $Embryo develops in female gametophyte which is retained on parent sporophyte$ (2) $Female gametophyte is free and gets dispersed like seeds.$ (3) $Female gametophyte lacks archegonia$ (4) $Megaspores possess endosperm and embryo surrounded by seed coat.$ 130. $Which one of the following is heterosporous?$ (1) $Adiantum$ (2) $Equisetum$ (3) $Dryopteris$ (4) $Salvinia$ 131. $Herbarium, Botanical gardens, Museum, Zoological parks and Key are considered as-$ (1) $Environmental aids$ (2) $Pollution aids$ (3) $Taxonomical aids$ (4) $Trophic aids$ 132. $Two plants can be conclusively said to belong to the same species if they :$ (1) $Have same number of chromosomes$ (2) $Can reproduce freely with each other and form seeds$ (3) $Have more than 90 percent similar genes$ (4) $Look similar and possess identical secondary metabolites.$ 133. $Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?$ (1) $Yeast used in making bread and beer is a fungus$ (2) $Nostoc and Anabaena are examples of protista$ (3) $Paramecium and Plasmodium belong to the same kingdom as that of Penicilium$ (4) $Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan$ 134. $Which of the following is a symbiotic nitrogen fixer?$ (1) $Azolla$ (2) $Glomus$ (3) $Azotobacter$ (4) $Frankia$ 135. $Pathogenic bacteria gain resistance to antibiotics due to changes in their :$ (1) $Cosmids$ (2) $Plasmids$ (3) $Nucleus$ (4) $Nucleoid$ 136. $Which of the following is a characteristic feature of gymnosperms?$ (1) $The development of pollen grains take place within the microsporangia.$ (2) $Some gymnosperms are homosporous.$ (3) $The ovules are borne on megasporophylls which may be clustered to form the male cones.$ (4) $All of the above.$ 137. $Membrane-bound organelles are absent in:$ (1) $Plasmodium$ (2) $Saccharomyces$ (3) $Streptococcus$ (4) $Chlamydononas$ 138. $Cellulose is the major component of cell walls of:-$ (1) $Pseudomonas$ (2) $Saccharomyces$ (3) $Pythium$ (4) $Xanthomonas$ 139. $Read the following five statements (A to E) and select the option with all correct statements :- (I) Mosses and Lichens are the first organisms to colonise a bare rock. (II) Selaginella is a homosporous pteridophyte (III) Coralloid roots in Cycas have VAM (IV) Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic (V) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte$ (1) $(II), (III) and (IV)$ (2) $(I), (IV) and (V)$ (3) $(II), (III) and (V)$ (4) $(I), (III) and (IV)$ 140. $Which one of the following is monoecious?$ (1) $Cycas$ (2) $Pinus$ (3) $Date plam$ (4) $Marchantia$ 141. $Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?$ (1) $Biological names can be written in any language$ (2) $The first word in a biological name represents the genus name, and the second is a specific epithet$ (3) $The names are written in Latin and are italicised$ (4) $When written by hand, the names are to be underlined$ 142. $Which of the following are not membrane bound?$ (1) $Mesosomes$ (2) $Vacuoles$ (3) $Ribosomes$ (4) $Lysosomes$ 143. $Which of the following shows coiled RNA strand and capsomeres?$ (1) $Polio virus$ (2) $Tobacco masaic virus$ (3) $Measles virus$ (4) $Retrovirus$ 144. $Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses :-$ (1) $Mode of Nutrition$ (2) $Multiplication by fragmentation$ (3) $Diplontic life cycle$ (4) $Members of kingdom Plantae$ 145. $Which one of the following is a correct statement?$ (1) $Antheridiophores and archegoniophores are present in pteridophytes$ (2) $Origin of seed habit can be traced in pteridophytes$ (3) $Pteridophyte gametophyte has a protonemal and leafy stage$ (4) $In gymnosperms female gametophyte is free living$ 146. $Ethanol is commercally produced through a particular species of :-$ (1) $Saccharomyces$ (2) $Clostridium$ (3) $Trichoderma$ (4) $Aspergillus$ 147. $Isogamous condition with non-flagallated gametes is found in :$ (1) $Fucus$ (2) $Chlamydomonas$ (3) $Spirogyra$ (4) $Volvox$ 148. $Black (stem) rust of wheat is caused by :$ (1) $Ustilago nuda$ (2) $Puccinia graminis$ (3) $Xanthomonas oryzae$ (4) $Alternaria solani$ 149. $Read the following statements (A - E) and answer the question which follows them. (A) In liverworts, mosses and ferns gametophytes are free living (B) Gymnosperms and some ferns are heterosporous (C) Sexual reproduction in Fucus, Volvox and Allbugo is oogamous (D) The sporophyte in liverworts is more elaborate than that in mosses (E) Both, Pinus and Marchantia are dioecious How many of the above statements are correct?$ (1) $Four$ (2) $One$ (3) $Two$ (4) $Three$ 150. $Which one of the following process is responsible for the release of N2 in the atmosphere?$ (1) $Ammonification$ (2) $Denitrification$ (3) $Biological nitrogen fixation$ (4) $Industrial Nitrogen fixation$