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21. What is reproduction ?

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22. Name artificial methods of vegetative propagation.

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23. Name various asexual reproductive structures.

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24. Animals with self-fertilizing ability are termed as

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25. Development of unfertilized ovum into a new individual is called

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26. In the whiptail lizards only the females are born generation after generation. There are no males. How is this possible ?

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27. Define senescent phase.

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28. The microscopic pollen grains of the past are obtained as fossils. Mention the characteristics of pollen grains that makes it happen

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29. Why is reproduction essential for organisms ?

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30. Why is the offspring formed by asexual reproduction referred to as clone ?

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