Meiosis

Q.

Find the correct match from the following:
$\begin{array}{cc}ColumnA& ColumnB\\ 1.Malegamete& a.46chromosomes\\ 2.Femalegamete& b.Sperm\\ 3.Diploidhumancell& c.Chromosomenumberreducedtohalf\\ 4.Meiosis& d.Egg\end{array}$

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

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

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

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

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

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

Q.

Sex of a foetus depends on the:

1. Amount of regulatory hormones from pituitary.

2. Amount of sex hormones.

3. Type of ovum.

4. Type of sperm.

Q. Which part of the sperm contains DNA?

1. Body
2. Tail
3. Head
4. Cap

Q.

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

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