Question

Write the two events involved in the sexual reproduction of a flowering plant.
i) Discuss the first event and write the types.
ii) Mention the advantages and the disadvantages of that event.

Answer 1

flowering. budding. fragrance

Answer 2

Hello Student,

◆ Answer with explanation -

Sexual reproduction in flowering plants involve two main events - pollination and fertilization.

(i) Pollination -

Pollination is transfer of pollen from anther to stigma of same/another plant.

Types of pollination -

1. Self pollination
2. Cross pollination

(ii) Self pollination -

• Transfer of pollen from anther to stigma of same plant is called self pollination.

Advantages -

• Parental characteristics preserved
• High chances of pollination

Disadvantages -

• Adaptation is not possible
• No variation between offsprings

Cross pollination -

• Transfer of pollen from anther to stigma of another plant is called cross pollination.

Advantages -

• Adaptation to environment
• Variation between offsprings possible

Disadvantages -

• Parental characteristics are not preserved
• Less chances of pollination

Hope I was helpful...