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Pollination and...

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  • Question 1
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    An endosperm in plants is

  • Question 2
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    Some bisexual flowers remain closed all their life so that the pollen can easily pollinate the stigma of the flower. What is this condition called?

  • Question 3
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    Which of the following is/are the agent(s) of pollination in entomophily?

  • Question 4
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    If the timing of maturation of androecium and gynoecium is different, the condition is called ____________.

  • Question 5
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    Which of the following statements is false for self pollination?

  • Question 6
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    Which of the following is not true about ovule?

  • Question 7
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    Which of the following is not a unisexual plant?

  • Question 8
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    Which of the following is not an insect pollinated flower?

  • Question 9
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    Which of the following is not correct about cross pollination?

  • Question 10
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    Which of the following plants shows hydrophily?

  • Question 11
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    Which of the following plants shows herkogamy?

  • Question 12
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    Which of the following is not a characteristic feature of flowers pollinated by water?

  • Question 13
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    Which of the following is not a characteristic feature of insect pollinated flowers?

  • Question 14
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    How many male gametes are present in a pollen tube?

  • Question 15
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    If anthers of a flower mature earlier than stigma, the condition is called ________________.

  • Question 16
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    In which of the following conditions are anther and stigma so placed in a flower that the pollen grains are unable to reach the stigma?

  • Question 17
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    In which of the following conditions are the length of the style and position of anthers different?

  • Question 18
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    Which of the following plants shows protogany?

  • Question 19
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    The food-storing tissue of flowers, which is formed by the fusion of male gamete and polar nuclei is called

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