Fertilization
Fertilization
Fertilization- The fusion of male and female sex cells is called fertilization.
Fertilization in Plants:
The main function of the flower is to produce fruits and seeds. The fruits and seed are formed in a flower by the process of pollination. Successful pollination is followed fertilization in plants.Pollen grain (male gamete) which falls and sticks to the stigma starts to germinate. It starts developing a pollen tube which grows downwards into the style. The pollen tube carries the male gamete through the style into the ovary, The gamete then enters an ovule which contains the female gamete or egg. These male female gametes fuse together and form fertilised egg or the zygote. This fusion of male and female gametes in the ovum called fertilisation. The other parts of the flower such as the sepals, petals and stamens fall off. Sometimes, style and stigma also fall off and only the ovary remains there after fertilisation. Ovary grows into fruit and ovules grow into seeds.
After pollination, stigma secretes nutrients-
Internal fertilization occurs: | |||
| Right Option : A | |||
| View Explanation | |||
Development of embryo in human body takes place in ________________ | |||
| Right Option : C | |||
| View Explanation | |||
In ___________ the offspring grows inside the female's body. | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
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