CBSE Class 10 Science 2022 · Paper 31/6/2 · Question 5
Mention the changes that occur in the following after fertilisation in a flower :
- (a)Petals
- (b)Zygote
- (c)Ovary
- (d)Ovule
Answer
After fertilisation the petals wither, the zygote becomes the embryo, the ovary ripens into the fruit and the ovule becomes the seed.
(a) Petals: They shrivel (wither) and usually fall off.
(b) Zygote: It divides several times to form an embryo within the ovule.
(c) Ovary: It grows rapidly and ripens to form the fruit.
(d) Ovule: It develops a tough coat and is gradually converted into a seed.
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