1)

Hydra usually reproduces by

Class 10 Science

A)

fragmentation and budding

B)

 regeneration and budding

C)

multiple fission and fragmentation

D)

regeneration

2)

Tubectomy is carried out by blocking the

Class 10 Science

A)

 oviduct

B)

uterus

C)

cervix

D)

vagina

3)

Variations occur as a result of

Class 10 Science

A)

asexual reproduction

B)

sexual reproduction

C)

vegetative propagation

D)

regeneration

4)

Fertilisation occurs in human female when the sperms and ovum reach simultaneously at

Class 10 Science

A)

fallopian tube

B)

vagina

C)

uterus

D)

cervix

5)

AIDS is a sexually transmitted disease caused due to an infection by a

Class 10 Science

A)

bacteria

B)

virus

C)

protozoa

D)

Plasmodium