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Which is a better mode of reproduction s...

Which is a better mode of reproduction sexual or asexual Why?

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Sexual reproduction is a better of reprodcution because is needs meiosis and fusion of male and female gametes. Such a fusion of male and female gametes. Such a fusion involving two parents reuslts in the offspring that are not identical to the parents. It also causes variation which is essential for evolution and survival of species undre diverse changes in envirnmental factors.
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PRADEEP-REPRODUCTION IN ORGANISMS-NCERT EXERCISES WITH ANSWERS
  1. Why is reproduction essential for organisms?

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  2. Which is a better mode of reproduction sexual or asexual Why?

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  3. Why is the offspring formed by asexual reproduction referred to as clo...

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  4. Offspring formed due to sexual reproduction referred to as clone ?

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  5. How does the progeny formed from asexual reproduction differ from thos...

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  6. Distinguish between asexual and asexual and sexual reproduction. Why i...

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  7. What is vagetative propagation ? Give two suitable examples.

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  8. Define : (i) Juvenile phase, (ii) Reproductive phase, (iii) Senescent ...

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  9. Higher organisms have resorted to sexual reproduction in spite of its ...

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  10. Explain why meiosis and gametogenesis are always interlinked?

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  11. Identify each part and write whether it is haploid (n) or diploid (2n)...

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  12. Define external fertilisation. Mention its disadvantages.

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  13. Differentiate between a zoospore and a zygote.

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  14. Differentiate between gametogenesis and embryogenesis.

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  15. Describe the post fertilisation changes in a flower.

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  16. What is a bisexual flower ? Collect five bisexual flowers from your ne...

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  17. Examine a few flowers of any cucurbit plant and try to identify the st...

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  18. Why offspring of oviparous animals are at a greater risk as compared ...

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