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Friday, April 12, 2024

NEET Biology Previous year MCQ Bank With Answer Key - 11

201. Sexual reproduction involving fusion of two cells in Chlamydomonas is

(1) somatogamy

(2) isogamy

(3) hologamy

(4) homogamy

 

202. Satellite RNAs are present in some

(1) Prions

(2) Plant viruses

(3) Bacteriophages

(4) Viroids

 

203. Specialized cellsfor fixing atmospheric nitrogen in Nostoc are

(1) Hormogonia

(2) Akinetes

(3) Nodules

(4) Heterocysts

 

204. 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

 

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

(1) Saprophytic fungi

(2) Eubacteria

(3) Archaebacteria

(4) Blue-green algae

 

206. 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

 

207. 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 release chemical to attract its sperms

(4) Funaria sperms get killed by Pteris sperms

 

208. Evolutionary important character of Selaginella is

(1) strobili

(2) heterosporous nature

(3) ligule

(4) rhizophore

 

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

(1) diploid

(2) triploid

(3) tetraploid

(4) haploid

 

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

(1) parthenocarpy

(2) apospory

(3) parthenogenesis

(4) apogamy

 

211. The common mode of sexual reproduction in Chlamydomonas is

(1) oogamous

(2) isogamous

(3) hologamous

(4) anisogamous

 

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

(1) oospore

(2) zygospore

(3) carpospore

(4) zoospore

 

213. Protonema occurs in the life cycle of

(1) Somatogamy

(2) Riccia

(3) Spirogyra

(4) Funaria

 

214. Moss peristome takes part in

(1) protection

(2) spore dispersal

(3) absorption

(4) photosynthesis

 

215. Apophysis in the capsule of Funaria is

(1) middle part

(2) lower part

(3) fertile part

(4) upper part

 

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

(1) Flagellate sperms

(2) Archegonium

(3) Roots

(4) Embryo

 

217. The plant group that produces spores and embryo but lacks vascular tissues and seeds is

(1) Bryophyta

(2) Pteridophyta

(3) Phaeophyta

(4) Rhodophyta

 

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

(1) Chlamydomonas

(2) Pinus

(3) Dryopteris

(4) Selaginella

 

219. 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

 

220. Which one has the largest gametophyte?

(1) Selaginella

(2) Cycas

(3) Moss

(4) Angiosperm

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