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Reproduction in Animals Test - 6

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Reproduction in Animals Test - 6
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Zygote is produced during
    Solution
    Zygote is produced during sexual reproduction. It is a eukaryotic cell formed by a fertilization event between two gametes.
  • Question 2
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    Which of the following animals are viviparous?
    Solution
    Among these, humans show viviparity as they give birth to young ones.
  • Question 3
    1 / -0
    In homo sapiens, fertilisation occurs in the
    Solution
    The Oviduct is the tube that links the ovary to the uterus and which the ovulated oocyte travels down to become fertilised by sperm present in the female tract. It is also refered to as the Fallopian tube, Uterine tube or Ovarian tube.
  • Question 4
    1 / -0
    Viviparity is found in
    Solution
    Viviparity is found in rabbit as it is a viviparous animal which give birth to living young that have been nourished in close contact with their mothers' bodies.
  • Question 5
    1 / -0
    In sexual reproduction, there must be a union of
    Solution
    In sexual reproduction, there must be a union of one male and one female reproductive cell.
  • Question 6
    1 / -0
    When male differs from female in morphology, it is called
    Solution
    When male differs from female in morphology, it is called sexual dimorphism. This differentiation happens in organisms who reproduce through sexual reproduction, with the prototypical example being for differences in characteristics of reproductive organs.
  • Question 7
    1 / -0
    When larvae develops gonads and reproduces by normal sexual reproduction, it is called
    Solution
    When larvae develops gonads and reproduces by normal sexual reproduction, it is called neoteny.For example, the adult axolotl, a salamander, retains larval external gills.
  • Question 8
    1 / -0
    Anisogamy means fusion of dissimilar gametes. It is found in
    Solution
    Anisogamy is found in human beings, earthworms and pilas.Anisogamy refers to a form of sexual reproduction involving the union or fusion of two dissimilar gametes .The smaller gamete is considered to be male (sperm cell), whereas the larger gamete is regarded as female (egg cell).
  • Question 9
    1 / -0
    The developing embryo does not receive nourishment from mother's body in
    Solution
    The developing embryo does not receive nourishment from mother's body in oviparous reproduction.
  • Question 10
    1 / -0
    Complete metamorphosis is found in
    Solution
    Complete metamorphosis is found in butterflies.It is insect development in which egg, larval, pupal, and adult stages occur, each differing greatly in morphology.
  • Question 11
    1 / -0
    Most terrestrial animals reproduce by
    Solution
    Most terrestrial animals reproduce by internal fertilisation which takes place inside the female body.
  • Question 12
    1 / -0
    Syngamy is
    Solution
    Syngamy is fusion of nuclei of sperm and ovum. It is also called fertilization.
  • Question 13
    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 14
    1 / -0
    Asexual reproduction in a sponge Leucosolenia occurs by
    Solution
    Asexual reproduction in a sponge Leucosolenia occurs by budding.
  • Question 15
    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 16
    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 17
    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 18
    1 / -0
    Ejaculation is a function of
    Solution
    Ejaculation is a function of sympathetic nervous system.
  • Question 19
    1 / -0
    The hormone progesterone is secreted by
    Solution
    The hormone progesterone is secreted by developing graafian follicles.
  • Question 20
    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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