The most vital event of sexual reproduction is perhaps the fusion of gametes. This process called _________ results in the formation of a diploid _________.

A. Syngamy, Zygote

B. Fertilization, Zygote

C. Copulation, Foetus

D. Both A and B are true

Birds like turkey undergo _________ to produce offspring.

A. Sexual reproduction

B. Asexual reproduction

C. Parthenogenesis

D. Lay egg

Small aquatic animals produce large number of gametes in surrounding water

A. to enhance the chances of syngamy

B. to produce large number of offspring

C. offspring are extremely vulnerable to predators threatening their survival

D. Both A and C

Every sexually reproducing organism, including human beings begin life as a _________ called zygote.

A. Single cell

B. Double cell one from each parent

C.Blastopore

D. Megaspore

Strobilanthus kunthiana (neelakuranji), flowers once in _______ years.

A. 10

B. 20

C. 12

D. 16

Vegetative phase in plants is same as ___________ in animal.

A. Sexual phase

B. Juvenile phase

C. Reproductive phase

D. Syngamy phase

Which is not a method of vegetative propagation

A.Micro propagation

B.Budding

C.Sowing

D.Layering

Isogamy is found in

A.Plasmodium

B.Hydra

C. Monocystis

D.Planaria

Asexually produced organism inheriting all the character of parent is

A.Offspring

B.Clone

C.Variety

D.Hybrid

In vegetative propagation by tuber, which of the following remains constant through generations

A.Morphology

B.Vigour

C.Morphology, vigour and disease resistance

D.Both morphology and Vigour