Introduction to Reproduction

Q.

Which of the following is not true regarding sexual reproduction?

1. Sexual reproduction takes more time for completion.

2. Children born are not identical to the parents.

3. Sexual reproduction plays an important role in natural selection.

4. All animals have fixed sexes.

Q.

Secondary sex organ is________

1. testis

2. beard

3. breast

4. vas deferens

Q. parents are involved in sexual reproduction.

1. Five
2. Three
3. Two
4. Four

Q.

___ is a mode of reproduction that involves fusion of female gamete and male gamete.

1. Fragmentation
2. Fission
3. Sexual reproduction
4. Budding

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

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

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

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