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

Binary fission is a type of

A.Nuclear fragmentation

B.Vegetative propagation

C.Sexual reproduction

D.Asexual reproduction

Natural parthenogenesis occur in

A.Housefly

B.Drosophila

C.Honey bee

D.All