Meiosis

Q. Which type of cell division occurs in sex cells?

1. Mitosis
2. Meiosis
3. Both A and B
4. None of these

Q.

Which of the following statement is correct?

Statement 1 (S1): The gametes or sex cells have only half the number of chromosomes compared to other cells in the body.

Statement 2 (S2): Mitosis gives rise to gametes.

1. S1 is incorrect but S2 is correct

2. Both S1 and S2 are correct and S2 is the incorrect explanation for S1

3. Both S1 and S2 are correct and S2 is the correct explanation for S1

4. S1 is correct but S2 is incorrect

Q.

Find the correct match from the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\text{Male gamete}& \text{a}.46\text{chromosomes}\\ 2.\text{Female gamete}& \text{b}.\text{Sperm}\\ 3.\text{Diploid human cell}& \text{c}.\text{Chromosome number reduced to half}\\ 4.\text{Meiosis}& \text{d}.\text{Egg}\end{array}$

1. 1-d, 2-a, 3-b, 4-c
2. 1-d, 2-b, 3-a, 4-c
3. 1-b, 2-a, 3-d, 4-c
4. 1-b, 2-d, 3-a, 4-c

Q. In meiosis, the number of chromosomes in each of the four daughter cells is-

1. twice the number in parent cell
2. half of the number in parent cell
3. triple the number in parent cell
4. same as the parent cell

Q.

Mitosis is the type of cell division where the number of chromosomes is maintained and in meiosis a diploid cell becomes a haploid cell.

1. True

2. False

Q. With respect to the following statements, choose the correct answer.

Statement 1: Meiosis takes place in asexual reproduction.
Statement 2: Mitosis produces the sex cells called gametes.

1. Only statement 1 is correct
2. Both the statements are correct
3. Only statement 2 is correct
4. Both the statements are incorrect

Q. Choose the correct option which explains why meiosis is required.

1. It is simpler than mitosis.
2. Variation is necessary to sustain life.
3. Some cells can't undergo meiosis.
4. To give identical offsprings

Q.

The nucleus of the sperm contains __ chromosomes.

Q.

Find the correct match from the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\text{Male gamete}& \text{a}.46\text{chromosomes}\\ 2.\text{Female gamete}& \text{b}.\text{Sperm}\\ 3.\text{Diploid human cell}& \text{c}.\text{Chromosome number reduced to half}\\ 4.\text{Meiosis}& \text{d}.\text{Egg}\end{array}$

1. 1-b, 2-a, 3-d, 4-c
2. 1-b, 2-d, 3-a, 4-c
3. 1-d, 2-a, 3-b, 4-c
4. 1-d, 2-b, 3-a, 4-c

Q. Gametes are produced by the process of meiosis.

1. False
2. True