Question 54:
(a) What is meant by ‘unisexual flowers’ and ‘bisexual flowers’ ? Give two examples of each.
(b) What is pollination ? How does pollination occur ?
(c) Describe the process of fertilisation in a flower with the help of labelled diagrams.
(d) What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit ?
Lakhmir Singh Biology Class 10
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Hey friend,
Here is your answer:
(a) Unisexual flowers are the incomplete flowers where the male and female reproductive parts are present in different flowers. Example : papaya & date palm.
Bisexual flowers are the complete flowers where both the male and female reproductive parts are present in the same flower. Example : pea & sunflower
(b) Pollination is the transfer of pollen grains from anther to stigma for fertilisation.
(c) shown in pic
(d) After fertilisation, the ovary becomes the fruit and the ovule becomes the seed.
Hope it helps u.
Here is your answer:
(a) Unisexual flowers are the incomplete flowers where the male and female reproductive parts are present in different flowers. Example : papaya & date palm.
Bisexual flowers are the complete flowers where both the male and female reproductive parts are present in the same flower. Example : pea & sunflower
(b) Pollination is the transfer of pollen grains from anther to stigma for fertilisation.
(c) shown in pic
(d) After fertilisation, the ovary becomes the fruit and the ovule becomes the seed.
Hope it helps u.
Attachments:
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