Sperms

Q.

(a) What are the male gametes in humans called ?

(b) Name the organs which produce male gametes

Q. The male gamete is called the ________ .

1. sperm
2. eggs
3. ovaries
4. zygote

Q.

The testes produce male gametes called ________ .

1. Ovum

2. Zygote

3. Sperms

4. Foetus

Q.

What is gametogenesis?

Q.

What does sperm capacitation mean?

Q. Who is a gay?

Q. Identify the parts labeled as A, B and C in the given figure.

1. A - Tail, B - Middle Piece, C- Head

2. A - Tail, B - Head, C - Middle Piece

3. A - Head, B - Middle Piece, C - Tail
4. A - Middle Piece, B - Head, C- Tail

Q.

Identify the cell given in the picture

__

Q. In which of the following events, lysosomal activity is absent?

1. Entry of the sperm cell into the Egg cell
2. Autolysis of cells in tadpole
3. Renewal of cells and organelles
4. Movement of the sperm cell toward the egg cell

Q.

How do sperms reach vagina ?

Q.

Each sperm is a single cell.

1. True

2. False

Q. Label (A) (B) and (C) in the following diagram whose functions are as follows :-
A) Carries male genetic material
B) Contains mitochondria
C) Enables movement

1. A - Tail B - Nucleus C - Middle piece
2. A - Middle piece B - Head C - Nucleus
3. A - Head B - Middle piece C - Tail
4. A - Nucleus B - Tail C - Head

Q. The given figure shows a human sperm. Various parts of it are labelled as A, B, C and D. Which labelled part represents acrosome?

1. A
2. B
3. C
4. D

Q. gives energy for the swimming movement of the sperm.

1. Nucleus
2. Mitochondria
3. Golgi complex

Q.

The male gamete in the human reproductive system is known as __.

Q. How many amoebulae are released at one time?

Q. In human beings, do the sperms get over?

Q. A sperm tail consists of:

1. A nucleus
2. Mitochondria
3. Flagellum
4. Golgi body

Q. Which organ keeps the testes at an optimum temperature for sperm production?

1. Scrotum
2. Epididymis
3. Vas deferens
4. Urethra