12th Class Biology Sexual Reproduction in Flowering Plant / फूलों के पौधों में यौन प्रजनन Question Bank Case Based - Sexual Reproduction in Flowering Plants

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    Direction Read the following and answer the questions from given below
    Seed is the basis of our agriculture. Dehydration and dormancy of mature seeds are crucial for storage of seeds which can be used as food throughout the year and also to raise crop in the next season. Seeds remain alive after they are dispersed for few to several years. Also number of seeds in a fruit can also vary. Can you think of some plants in which fruits contain very large number of seeds. Orchid fruits are one such category. Its each fruit contains thousands of tiny seeds which when dispersed produces thousands orchid plants. This is so fascinating as how a tiny structure can produce such a large biomass over the years.
    (iii) Seed formation without fertilisation in flowering plants involves the process of

    A) budding

    B) somatic hybridisation

    C) apomixes

    D) sporulation

    Correct Answer: C

    Solution :

    [c] Apomixis is a special mechanism found in flowering plants to produce seeds without meiosis and fertilisation.


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