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Biology Test 56
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Biology Test 56
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  • Question 1/10
    4 / -1

    According to Oparin, which one of the following was not present in the primitive atmosphere of the Earth?

  • Question 2/10
    4 / -1

    Which of following is the longest phase of cell cycle :-

  • Question 3/10
    4 / -1

    Activation of sarcolemma of muscles causes release of –

  • Question 4/10
    4 / -1

    Correct flow of water current in sponges is :-

  • Question 5/10
    4 / -1

    The transverse section of plant material shows the following anatomical features under microscope: Palisade parenchyma towards adaxial surface and spongy parenchyma towards abaxial surface. Plant material should be :-

  • Question 6/10
    4 / -1

    Ovulation occurs under the influence of :-

  • Question 7/10
    4 / -1

    Select the correct statements :-

    (A) Mutation causes changes in the genotype and the phenotype of an organism.

    (B) Chromosomal aberrations are commonly observed in cancer cells.

    (C) Sickle cell anemia is a classical example of point mutation.

    (D) Deletions and insertions of base pairs of DNA causes frame shift mutations.

  • Question 8/10
    4 / -1

     

    Jaya and Ratna are high–yielding semi–dwarf varieties of :-

  • Question 9/10
    4 / -1

    DNA and RNA differ by :-

  • Question 10/10
    4 / -1

    Given below are some assisted reproductive technologies (ARTs), in which how many technologies ivolve(s) invitro fertilisation ?

    GIFT, ZIFT, ICSI, IUT, IUI

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