Question 1 Page 140 - Chapter 8 Class 10 - How do Organisms Reproduce?

Last updated at April 16, 2024 by

How is the process of pollination different from fertilization?

 

Answer:

CROSS POLLINATION - Teachoo.jpg

FERTILISATION - Teachoo.jpg

Pollination

Fertilization

  1. The process of transfer of pollen grains from the anther to stigma is known as pollination. 
  2. It takes place on the stigma of either the same flower or different flower.
  3. External agents like wind, insects etc. are required.
  4. It is a physical process .
  5. It occurs only in seeds .
  1. Fertilization is the fusion of male and female gametes to form zygote.
  2. It takes place inside an ovule.
  3. No external agent is required.
  4. It is a biological process .
  5. It occurs in both plants and animal s of various types.

Transcript

CROSS POLLINATION FERTILISATION Pollen grain Stigma Ovule Nucleus of female gamete Female gamete (Egg) Ovary Pollen tube Male gamete moves down the pollen tube

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