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Biology Test-2...

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  • Question 1
    4 / -1

    Snow-blindness in Antarctic region is due to:

  • Question 2
    4 / -1

    Decondensation of chromosomes occurs during:

  • Question 3
    4 / -1

    Match the following concerning essential elements and their functions in plants.

    List-I List-II
    a. Iron (i) Photolysis of water
    b. Zinc (ii) Pollen germination
    c. Boron (iii) Required for chlorophyll biosynthesis
    d. Manganese (iv) IAA biosynthesis

    Select the correct option:

  • Question 4
    4 / -1

    Energy flow in an ecosystem is:

  • Question 5
    4 / -1

    Malignant tertian/subtertian fever is caused by:

  • Question 6
    4 / -1

    Which one of the following is an example of natural selection?

  • Question 7
    4 / -1

    How does steroid hormone influence the cellular activities?

  • Question 8
    4 / -1

    Colostrum the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains:

  • Question 9
    4 / -1

    Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of:

  • Question 10
    4 / -1

    A tadpole develops into an adult frog by the process of:

  • Question 11
    4 / -1

    Ependyma is:

  • Question 12
    4 / -1

    In which type reactions related to plant photosynthesis, peroxisomes are involved?

  • Question 13
    4 / -1

    Epithelial cells of the intestine involved in food absorption have on their surface:

  • Question 14
    4 / -1

    The genetic defect adenosine deaminase (ADA) deficiency may be cured permanently by:

  • Question 15
    4 / -1

    Significance of classification is:

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