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Reproduction in Animals Test - 2

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Reproduction in Animals Test - 2
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Most terrestrial animals reproduce by

    Solution

    Most terrestrial animals reproduce by internal fertilisation which takes place inside the female body.

     

  • Question 2
    1 / -0

    Syngamy is

    Solution

    Syngamy is fusion of nuclei of sperm and ovum. It is also called fertilization.

     

  • Question 3
    1 / -0

    Endogamy (self fertilisation) is observed in

    Solution

    Endogamy (self fertilisation) is observed in taenia,It involves the fusion of two types of gametes derived from the same parent (uni-parental) . It is a very rare process.

     

  • Question 4
    1 / -0

    Asexual reproduction in a sponge Leucosolenia occurs by

    Solution

    Asexual reproduction in a sponge Leucosolenia occurs by budding.

     

  • Question 5
    1 / -0

    Natural parthenogenesis is found in

    Solution

    Natural parthenogenesis is found in aphids, honey bees and wasps.It is a form of asexual reproduction in which growth and development of embryos occur without fertilization.

     

  • Question 6
    1 / -0

    Which of the following is a primary sex organ?

    Solution

    Testis is a primary sex organ in males as it produces gametes.

     

  • Question 7
    1 / -0

    The number of chromosomes in human sperms is

    Solution

    The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.

     

  • Question 8
    1 / -0

    Ejaculation is a function of

    Solution

    Ejaculation is a function of sympathetic nervous system.

     

  • Question 9
    1 / -0

    The hormone progesterone is secreted by

    Solution

    The hormone progesterone is secreted by developing graafian follicles.

     

  • Question 10
    1 / -0

    Maturation and differentiation of lymphocytes in the foetus occur under the influence of

    Solution

    Maturation and differentiation of lymphocytes in the foetus occur under the influence of thymosin.

     

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