11-Following is (are) advantage(s) of vegetative propagation
(A) Plants raised by vegetative propagation can bear flowers and fruits earlier than those produced from seeds
(B) Such methods also make possible the propagation of plant that have lost the capacity to produce seeds
(C) all plants produced are genetically similar enough to the parent plant
(D) All of the above
12-Spore formation takes place in
(A) Rhizopus
(B) Amoeba
(C) Hydra
(D) All of the above
13-Following is (are) asexual reproduction
(A) Budding
(B) Spore formation
(C) Regeneration
(D) All of the above
14-Following is (are) the reproductive parts of a flower which contains germ cells.
(A) Stamens
(B) petals
(C) both (A) and (B)
(D) none of the above
15-The flower is
(A) unisexual
(B) bisexual
(C) both (A) and (B)
(D) none of the above
16-The flower is bisexual when it contains
(A) stamens
(B) pistil
(C) both (A) and (B)
(D) none of the above
17-Pollen grains are ___ in color.
(A) Reddish
(B) Yellowish
(C) Bluish
(D) Whitish
18-Pistil is
(A) present in the centre of a flower
(B) the female reproductive part
(C) made of three parts
(D) all of the above
19-The swollen bottom part of flower is
(A) ovary
(B) style
(C) stigma
(D) none of the above
20- This transfer of pollen from one flower to another is achieved by
(A) wind
(B) water
(C) animal
(D) all of the above
ANSWERS:
11-(D), 12-(A), 13-(D), 14-(C), 15-(C), 16-(C), 17-(B), 18-(D), 19-(A), 20-(D)