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