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Reproduction in Animals Test - 16

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Reproduction in Animals Test - 16
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  • Question 1
    1 / -0
    Egg-producing animals such as birds are called:
    Solution
    Unisexual is where the organism is either male or female.
    Oviparous animals are those that lay eggs, with little or no other embryonic development within the mother.
    Viviparous are animals that give birth to young ones.
    Hermaphrodite is the one which has both male and female reproductive organs.
    So, the correct answer is option B.
  • Question 2
    1 / -0
    Reproduction is needed ________________.
    Solution
    • Reproduction is the biological process of the production of new individual organisms or 'offspring' from their parents. It is essential for an organism to reproduce to maintain the continuity of the species  

    Therefore, the correct answer is option D.
  • Question 3
    1 / -0
    The embryo is formed by the fusion of:
    Solution
    The embryo is an unborn or unhatched offspring in the process of development. It results from sexual reproduction, where there is a fusion of male and female gametes.
    Thus, the correct answer is the option (B), 'Male and female gametes'.
  • Question 4
    1 / -0
    The female gamete is known as ____________.
    Solution
    • Vagina, ovary, and uterus are parts of the female reproductive system. 
    • They help in assisting various activities like pregnancy, childbirth associated with reproduction.
    • The egg cell is a female gamete which after fusion with a male gamete (sperm) forms a zygote.
    So, the correct option is (C) - Egg cell.
  • Question 5
    1 / -0
    Give the proper correlation.
    Budding : ______ :: Binary fission :______ 
    Solution
    • Hydra is a multicellular eukaryotic organism, which reproduces by the process called budding, In this process, a bud is formed on the body of the organism, which will develop and get separated into a new organism.
    • Amoeba is a unicellular organism. It multiplies by the process called binary fission. In binary fission, the organism is divided into two and each part will develop into a new organism.
    So, option "A" is the correct answer.
  • Question 6
    1 / -0
    The animal that reproduces by laying eggs is:
    Solution
    Fish lay eggs instead of giving birth to little fish. As the fish grow, they hatch into fry with an attached yolk sac and which then mature into a fish. Cat, dog, and cow do not lay eggs.
    So, the correct answer is option D.
  • Question 7
    1 / -0
    Which of the following stages is necessary in the life cycle of an animal in which complete metamorphosis occurs?
    Solution
    Metamorphosis is the process by which an organism undergoes various physical changes and transforms from an immature adult or larval form into a mature adult. Complete metamorphosis includes hatching of the egg, development of larva, and finally its transformation into an adult through various physical changes.
    The figure shows the metamorphosis of an insect. The life cycle of an insect includes an egg, larva, pupa, and adult stages. 
    Hence, egg, larva, and adult are necessary stages in the life cycle of an animal in which complete metamorphosis occurs.
    So, the correct answer is option D.

  • Question 8
    1 / -0
    Which one is not an oviparous animal?
    Solution
    • Animals that lay eggs to produce their offspring are known as oviparous animals.
    • Birds, reptiles and amphibians are examples of oviparous animals.
    • Mammals (including human beings) are an example of viviparous animals as they produce offspring by the development of embryos inside their body, eventually leading to live birth.
    So, the correct option is 'Human'.
  • Question 9
    1 / -0
    Dolly was given birth by ________ 
    Solution
    Dolly was given birth by a Scottish blackface ewe. Finn Dorset sheep is the one whose nucleus was cloned.

    So the correct answer is option B.
  • Question 10
    1 / -0
    The nucleus for cloning of Dolly was taken from ________
    Solution
    The nucleus for the cloning of Dolly was taken from the Finn Dorset sheep, whereas Scottish black face ewe was used for the implantation of the egg-containing nucleus of Finn Dorset sheep.
    The correct answer is option A.
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