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Biology Online Quiz

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  1. Answered
  2. Review
  1. Question 1 of 50
    1. Question

    The substrate of photo-respiration is

  2. Question 2 of 50
    2. Question

    Which one of the following is the infective stage of the Malarial Parasite?

  3. Question 3 of 50
    3. Question

    Match the following.

    A. Chlorophyll1. Plant disease
    B. Nostoc2. Photosynthetic pigment
    C. Transpiration3. Diazotroph
    D. Rust of wheat4. Loss of water from plant surface
  4. Question 4 of 50
    4. Question

    Which one of these animals is jawless?

  5. Question 5 of 50
    5. Question

    Competition for food, light and space is most severe in

  6. Question 6 of 50
    6. Question

    Ecosystem consists of

  7. Question 7 of 50
    7. Question

    Afla-toxins are produced by

  8. Question 8 of 50
    8. Question

    Match the following.

    A. Ascorbic acid1. Photosynthetic pigment
    B. Chlorophyll2. Quencher
    C. Carotenoid3. Enzyme
    D. Superoxide dismutase4. Vitamin-C
  9. Question 9 of 50
    9. Question

    The maximum fixation of solar energy is done by

  10. Question 10 of 50
    10. Question

    Animal protein is called first class protein because it is

  11. Question 11 of 50
    11. Question

    Outside the nucleus DNA is found in

  12. Question 12 of 50
    12. Question

    Allantois of Embryo helps in

  13. Question 13 of 50
    13. Question

    Which one of the following animals belongs to mollusca?

  14. Question 14 of 50
    14. Question

    Photoperiodism affects

  15. Question 15 of 50
    15. Question

    Molybdenum deficiency affects the activity of

  16. Question 16 of 50
    16. Question

    Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity?

  17. Question 17 of 50
    17. Question

    Xenobiotics which are inherently resistant to microbial attack are called as

  18. Question 18 of 50
    18. Question

    Cyanide poisoning causes death in seconds because

  19. Question 19 of 50
    19. Question

    When one gene pair hides the effect of the other unit. The phenomenon is referred to as

  20. Question 20 of 50
    20. Question

    Haemolymph is observed in

  21. Question 21 of 50
    21. Question

    The virus without capsid but only with nucleic acids is called

  22. Question 22 of 50
    22. Question

    The immunity caused by the B-lymphocytes is called

  23. Question 23 of 50
    23. Question

    Pink mould is the common name for

  24. Question 24 of 50
    24. Question

    The sleeping sickness is caused by

  25. Question 25 of 50
    25. Question

    Which of the following is biodegradable?

  26. Question 26 of 50
    26. Question

    Fungi that grow on bark are said to be

  27. Question 27 of 50
    27. Question

    Hyperplasia means

  28. Question 28 of 50
    28. Question

    The part of root involved in water absorption is

  29. Question 29 of 50
    29. Question

    Commercially important cotton fibers are

  30. Question 30 of 50
    30. Question

    A member of Liliaceae that shows reticulate venation is

  31. Question 31 of 50
    31. Question

    Euphenics is

  32. Question 32 of 50
    32. Question

    Araneology is

  33. Question 33 of 50
    33. Question

    What does “Corpus luteum” secrete?

  34. Question 34 of 50
    34. Question

    The male sex hormone is

  35. Question 35 of 50
    35. Question

    Iodine test is used to detect

  36. Question 36 of 50
    36. Question

    The branch of medicine involving synthetic chemical compounds is

  37. Question 37 of 50
    37. Question

    Arsenic problem in India is primarily due to

  38. Question 38 of 50
    38. Question

    One of the best solutions to get rid of non-biodegradable wastes is

  39. Question 39 of 50
    39. Question

    Vermicomposting is done by

  40. Question 40 of 50
    40. Question

    If waste materials contaminate the source of drinking water, which of the following diseases will spread?

  41. Question 41 of 50
    41. Question

    Which vein brings clean blood from the lungs into the heart?

  42. Question 42 of 50
    42. Question

    The biggest single-celled organism is

  43. Question 43 of 50
    43. Question

    Foramen Magnum is an aperture found in the

  44. Question 44 of 50
    44. Question

    Name the branch of Zoology that deals with the scientific study of animal behaviour.

  45. Question 45 of 50
    45. Question

    ‘Barr body’ is found in

  46. Question 46 of 50
    46. Question

    A contemporary of Charles Darwin, who came to the same conclusion in the matter of organic evolution was

  47. Question 47 of 50
    47. Question

    Casuarina is a

  48. Question 48 of 50
    48. Question

    Male mosquitoes take their food from

  49. Question 49 of 50
    49. Question

    Total interacting animals and plants in any well defined area is known as

  50. Question 50 of 50
    50. Question

    The most healthy edible oil for heart is

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