9. Reproduction in Animals

9. Reproduction in Animals

29 Maths Exercise Solutions

Very short answer question:
What purpose does the tail in a sperm serve?
Question No.1
Very short answer question:
What purpose does the tail in a sperm serve?
Short answer question:
Why do fish and frogs lay eggs in hundreds whereas a hen lays only one egg at a time?
Question No.2
Short answer question:
Why do fish and frogs lay eggs in hundreds whereas a hen lays only one egg at a time?
Very short answer question:
How could a single cell become such a big individual?
Question No.3
Very short answer question:
How could a single cell become such a big individual?
Short answer question:
Explain the importance of reproduction in organisms.
Question No.4
Short answer question:
Explain the importance of reproduction in organisms.
Long answer question:
Describe the process of fertilisation in human beings.
Question No.5
Long answer question:
Describe the process of fertilisation in human beings.
Internal fertilisation occurs（ ）
A. in female body
B. outside female body
C. in male body
D. outside male body
Question No.6
Internal fertilisation occurs（ ）
A. in female body
B. outside female body
C. in male body
D. outside male body
A tadpole develops into an adult frog by the process of（ ）
A. fertilisation
B. metamorphosis
C. embedding
D. budding
Question No.7
A tadpole develops into an adult frog by the process of（ ）
A. fertilisation
B. metamorphosis
C. embedding
D. budding
The number of nuclei present in a zygote is（ ）
A. none
B. one
C. two
D. four
Question No.8
The number of nuclei present in a zygote is（ ）
A. none
B. one
C. two
D. four
State the statement as true or false:
An embryo is made up of a single cell.___
Question No.9
State the statement as true or false:
An embryo is made up of a single cell.___
State the statement as true or false:
Binary fission is a method of asexual reproduction.___
Question No.10
State the statement as true or false:
Binary fission is a method of asexual reproduction.___