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Reproduction in Organisms Test - 38

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Reproduction in Organisms Test - 38
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  • Question 1
    1 / -0
    Entomophily is pollination by
    Solution
    Entomophily is a form of pollination whereby pollen or spores are distributed by insects. Several insects are reported to be responsible for the pollination (potential or effective) of many plant species, particularly bees, Lepidoptera (butterflies and moths), wasps, flies, ants and beetles.  
    Therefore, the correct answer is option D.
  • Question 2
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    Which of the following organisms reproduce by asexual reproduction?  
    Solution

  • Question 3
    1 / -0
    Which form of reproduction is correctly matched?
    Solution
     Asexual and sexual are the two types of reproduction. Fission and budding are the two most common forms of asexual reproduction in animals. During adverse conditions, amoeba reproduces by multiple fission that gives rise to many amoeba. Euglena reproduces by longitudinal binary fission, Paramecium reproduces by transverse binary fission and Plasmodium reproduces by multiple fission.
  • Question 4
    1 / -0
    The process of reproduction in Amoeba starts with division of its body into part followed by the division of its nucleus into two nuclei. 
    Solution

  • Question 5
    1 / -0
    Fertilization results into the formation of
    Solution
    In sexually reproducing organisms the haploid male gamete fuses with the haploid female gamete to form the diploid zygote. Zygote, later on, develops into an embryo followed by its development into the fetus. This process is called fertilization. Thus the correct answer is option B. 

  • Question 6
    1 / -0
    Define fertilization
    Solution

    Correct option: A.

    Explanation:

    • Fertilization is the process of fusion of nuclei of two haploid reproductive cells, sperm (n) and egg or oocyte (n) to produce a diploid zygote (2n).
    • Fertilization is the basis of sexual reproduction.
  • Question 7
    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 8
    1 / -0
    Rhizopus gets its nutrition:
    Solution
    Rhizopus (bread mould) is a saprophytic fungus, derives its nutrition from the moist bread it grows on.
    Option 'B" is the correct answer.
  • Question 9
    1 / -0
    Type of asexual reproduction in plants is/are
    Solution
    Asexual reproduction is the method of producing offsprings without the process of fusion of gametes or fertilization. While this is a natural form of reproduction in single-celled organisms, in plants, asexual reproduction takes place by budding as is found in ginger, onion, gladiola, dahlia etc. cutting and vegetative propagation of adventitious roots or stolons such as sweet potatoes, bryophyllum, Jasmine etc. Thus, the correct answer is option C.
  • Question 10
    1 / -0
    Fission of the egg and the sperm is known as ______ 
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