Clear-cut vegetative, reproductive and senescent phase are not found in

(1) Annual plants

(2) Biennial plants

(3) Perennial plants

(4) More than one option is correct

Hermaphrodite animal is

A.Leech

B.Spider

C.Honey bee

D.Ascaris

Natural parthenogenesis occur in

A.Housefly

B.Drosophila

C.Honey bee

D.All

Binary fission is a type of

A.Nuclear fragmentation

B.Vegetative propagation

C.Sexual reproduction

D.Asexual reproduction

Asexually produced organism inheriting all the character of parent is

A.Offspring

B.Clone

C.Variety

D.Hybrid

Vegetative phase in plants is same as ___________ in animal.

A. Sexual phase

B. Juvenile phase

C. Reproductive phase

D. Syngamy phase

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

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

Birds like turkey undergo _________ to produce offspring.

A. Sexual reproduction

B. Asexual reproduction

C. Parthenogenesis

D. Lay egg

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