In the whiptail lizards only the females are born generation afte

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 Multiple Choice QuestionsShort Answer Type

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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 Multiple Choice QuestionsOne Word Answers

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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 Multiple Choice QuestionsShort Answer Type

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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 ?


The Whiptail lizards undergo parthenogenesis , that is the female gametes undergo development to form new individuals without fertilization. Since only the female parent is involved all the progeny are identical to them and all are females and there are no males .
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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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