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Define foetus. After how many weeks of d...

Define foetus. After how many weeks of development, a human embryo is said to become a foetus ?

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LAKHMIR SINGH & MANJIT KAUR-REPRODUCTION IN ANIMALS-EXERCISE
  1. Describe the various steps involved in the sexual reproduction in anim...

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  2. Draw a labeled diagram of male reproductive system.

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  3. Define foetus. After how many weeks of development, a human embryo is ...

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  4. What is metamorphosis ? Give two example of metamorphosis.

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  5. What is difference between viviparous animals and oviparous animals ?

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  6. Which of the following are oviparous animals and which are viviparous ...

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  7. Give five example each of animals which develop: a) inside the mothe...

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  8. Give five example each of animals which develop: b) Inside eggs whic...

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  9. Explain how, chicks are born. How much time does the embryo present in...

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  10. In which of the following animals the embryos develop fully inside the...

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  11. What are gametes ?

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  12. In which sort of reproduction are gametes involved ?

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  13. What is formed when two gametes fuse ?

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  14. What is this act of fusion called ?

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  15. Match the terms given in column A with those given in column B :

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  16. Differentiate between internal fertilisation and external fertilisatio...

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  17. What is meant by 'cloning' ? State whether gametes are involved in clo...

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  18. What is meant by 'reproduction' ? Why is it essential ?

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  19. Define asexual reproduction. Name two methods of asexual reproduction ...

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  20. What is a clone ? Name one famous clone.

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