evelopment of zygote taking place outside the body is called?
28%
a) Viviparous
44%
b) Oviparous
8%
c) Omnivorous
20%
d) Frugivorous
Q.5.
n which organ the growth of pollen tube is observed, till it reaches the ovules?
24%
a) Pollen tube
32%
b) Style
20%
c) Ovary
24%
d) Stigma
Q.6.
n which development of zygote takes place in female is called as........ in animals.
20%
a) Oviparous
40%
b) Viviparous
20%
c) Ovoviviparous
20%
d) None
Q.7.
rafting technique is successful between two plants having:
21%
a) Viable seeds
47%
b) Parenchymatous tissue
21%
c) Active buds
11%
d) Active vascular cambium
Q.8.
hich of the following is not a natural method of vegetative reproduction?
11%
a) Suckers
42%
b) Cutting
26%
c) Runners
21%
d) Offsets
Q.9.
uring conjugation, the-bridge is formed of........... .
11%
a) Nucleus
28%
b) Inter cytoplasm
22%
c) Chromosomes
39%
d) Cytoplasm
Q.10.
hich asexual reproduction three layered encysts develop?
16%
a) Binary fission
42%
b) multiple fission
32%
c) Sporulation
11%
d) Fragmentation
Q.11.
egetative propagation in Dahlia is by:
0%
a) Root
25%
b) Bulbil
31%
c) Aerial stem
44%
d) Sub – aerial stem
Q.12.
hich part of the plant bryophyllum performs vegetative reproduction?
33%
a) Stem
7%
b) Floral buds
13%
c) Underground roots
47%
d) Buds on life margin
Q.13.
wo gametes having similar appearance are called as.....
0%
a) Gametes
57%
b) Isogametes
14%
c) Heterogametes
29%
d) Isospores
Q.14.
ow many of the following statements are correct: (i) In heterogametic species, there are two types of gametes. (ii) A haploid parent produces gametes through meiotic divisions. (iii) The cells which undergo meiosis are called meiocytes. (iv) A meiocyte contain diploid number of chromosome. (v) Organisms which exhibit internal fertilization have motile male gametes.
25%
a) Three
17%
b) Four
25%
c) Two
33%
d) All are correct
Q.15.
hich organisms have diploid body organization?
24%
a) Pteridophytes, angiosperms
29%
b) Angiosperms
6%
c) Most of the animals
41%
d) All three
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