Which among the following statements are true for sexual reproduction in flowering plants?

1. It requires two types of gametes

2. Fertilisation is a compulsory event

3. It always results in formation of zygote

4. Offspring formed are clones

Which of the following statements are true for flowers?

1. Flowers are always bisexual

2. They are the sexual reproductive organs

3. They are produced in all groups of plants

4. After fertilisation they give rise to fruits

Which among the following statements are true for unisexual flowers?

1. They possess both stamen and pistil

2. They possess either stamen or pistil

3. They exhibit cross pollination

4. Unisexual flowers possessing only stamens cannot produce fruits

In the given figure, the parts A, B and C are sequentially

Offspring formed as a result of sexual reproduction exhibit more variations because