nd is known as
(d)
The fusion of male and female gametes is termed as
(e)
Seed dispersal takes place by means of
and
2. Describe the different methods of asexual reproduction. Give examples.
3. Explain what you understand by sexual reproduction.
4. State the main difference between asexual and sexual reproduction.
5. Sketch the reproductive parts of a flower.
6. Explain the difference between self-pollination and cross-pollination.
7. How does the process of fertilisation take place in flowers?
8. Describe the various ways by which seeds are dispersed.
9. Match items in Column I with those in Column II:
Column I
Column II
(i) Maple
(a) Bud
(b) Eyes
(c) Fragmentation
(ii) Spirogyra
(iii) Yeast
(iv)
Bread mould
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Answer:
4-That is the main difference between sexual and asexual reproduction. Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.
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Answer:
1-zygote
2-air and animals
3-binary fission
4-the mode of reproduction in which male and female gamete fuses to form zygote is called sexual reproduction.
5-do it urself by book.
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