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Sexual Reproduction in Flowering Plants Test - 1

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Sexual Reproduction in Flowering Plants Test - 1
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  • Question 1
    1 / -0

    Flower is the site of

    Solution

    Explanation:

    Sexual reproduction in flowering plants centres around the flower. Within a flower, there are usually structures that produce both male gametes and female gametes.

     

     

  • Question 2
    1 / -0

    In some plants anther and stigma mature at same time this condition is called

    Solution

    Explanation:

    Homogamy – In this case the anther and stigmas of a bisexual flower mature simultaneously. The pollen grains reach the mature stigma either by contact, wind, gravity, rain drop or even insects. Self pollination brought about by contact is called direct autogamy and remaining agencies perform indirect autogamy.

     

     

  • Question 3
    1 / -0

    The flower which possesses both androecium and gynoecium is called perfect or:-

    Solution

    Explanation:

    Bisexual flower conation both male and female reproductive parts i.e. sepals and petals. These flowers are also called as monoecious or hermaphrodite.

     

     

  • Question 4
    1 / -0

    Which of the following plant contain unisexual flower

    Solution

    Explanation:

    The flower which contains either male or female reproductive part is called unisexual flower. Papaya plant produce either male or female flower in separate plants.

     

     

  • Question 5
    1 / -0

    The Gynoecium of flower having two or more carpel fuse together are called

    Solution

    Explanation:

    Gynoecium is the female reproductive part of flower. It consists of single or more than two carpel( pistil). When these carpels are fused together, they are called syncarpous.

     

     

  • Question 6
    1 / -0

    During Hybridisation process anther of bisexual flower is removed before it dehisces is called

    Solution

    Explanation:

    Hybridisation is the process to develop hybrid plants with desired traits. In bisexual flower, the stamen is removed with the help of forceps to avoid self-pollination. This method is called emasculation.

     

     

  • Question 7
    1 / -0

    Which of the following occupies central position in flower

    Solution

    Explanation:

    Bisexual flower have four main parts. Pistil or carpel is located at center followed by stamen, carpel and sepals. Pistil contains stigma, style and ovary.

     

     

  • Question 8
    1 / -0

    Insect pollinated flowers are

    Solution

    Explanation:

    The flower in which pollen grain is transferred from anther to stigma of anther flower by insects are colorful to attract insects and contain nectar.

     

  • Question 9
    1 / -0

    Which type of flower have ovary superior?

    Solution

    Explanation:

    In hypogynous flower ovary is located at highest position on thalamus of flower. Other floral parts are below it. These kinds of flower are called ovary superior.

     

     

  • Question 10
    1 / -0

    The flower which do not open at all are called

    Solution

    Explanation:

    Cleistogamy or automatic self-pollination describes the trait of certain plants to propagate by using non-opening, self-pollinating flowers. Especially well known in peanuts, peas, and beans, this behavior is most widespread in the grass family.

     

     

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