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Reproduction in Organisms Test - 5

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Reproduction in Organisms Test - 5
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  • Question 1
    1 / -0

    Hydra reproduces asexually through

    Solution

    Fragmentation occurs in Spirogyra. Binary fission occurs in Amoeba, Paramoecium and Euglena. Sporulation is the mode of reproduction in fungi.

     

  • Question 2
    1 / -0

    Which part would be most suitable for raising virus-free plants for micropropagation?

    Solution

    Meristem consists of actively dividing cells. Hence, it is the most suitable part for raising virus-free plants for micropropagation.

     

  • Question 3
    1 / -0

    During favourable conditions, Amoeba reproduces by

    Solution

    Amoeba reproduces through multiple fission under unfavourable conditions.

     

  • Question 4
    1 / -0

    Man is

    Solution

    Unisexual organisms have separate male and female sexes.

     

  • Question 5
    1 / -0

    Which of the following is monoecious?

    Solution

    Chara is monoecious as the male and female sex organs develop on the same plant body, while the rest are dioecious.

     

  • Question 6
    1 / -0

    In the testes, the sperms are formed by

    Solution

    Sperms are produced by seminiferous tubules through spermatogenesis inside the testes through meiotic division.

     

  • Question 7
    1 / -0

    Which of the following is a hermaphrodite?

    Solution

    Earthworm has both male and female sex organs in the same organism. It is bisexual.

     

  • Question 8
    1 / -0

    Transverse binary fission occurs in

    Solution

    Amoeba reproduces by simple irregular binary fission. Hydra reproduces by budding. Euglena reproduces by longitudinal binary fission.

     

  • Question 9
    1 / -0

    Strobilanthes kunthiana bears flowers every _____ years.

    Solution

    Strobilanthes kunthiana bears flowers once every 12 years between September and October.

     

  • Question 10
    1 / -0

    External fertilisation occurs in the majority of

    Solution

    External fertilisation takes place outside the body of the organism. It is mostly observed in aquatic organisms.

     

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