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Biology - section - 2
  1. Fusion of two gametes is called

    2. A.

     Fertilization
    B.

     Development
    C.

     Regeneration
    D.

     Pollination

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  2. Flowers in which polllination takes place by insect their pollen grains are ________

    3. A.

     Smooth and dry
    B.

     Rough and sticky
    C.

     Rough and dry
    D.

     Large in Size

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  3. Ornithology is the study of

    4. A.

     Mammal
    B.

     Birds
    C.

     Fishes
    D.

     Bat

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  4. Pollination is best defined as

    5. A.

     Growth of pollen tube in ovule
    B.

     Visiting flowers by insects
    C.

     Germination of pollen grains
    D.

     Transfer of pollen from anther to stigma

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  5. Self pollination will lead to

    6. A.

     Inbreeding
    B.

     Over breeding
    C.

     Outbreeding
    D.

     Rare breeding

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  6. Chiropterophily is the process of pollination by

    7. A.

     Bee
    B.

     Bat
    C.

     Insect
    D.

     Bird

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  7. Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?

    8. A.

     Lack of water
    B.

     Lack of Oxygen
    C.

     Lack of carbon dioxide
    D.

     Lack of nitrogen

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  8. The main result of aerobic respiration is the

    9. A.

     Production of lactic acid as an end product
    B.

     Production of ATP from the breakdown of glucose
    C.

     Conversion of radiant energy into chemical energy
    D.

     Storage of energy in a polysaccharide

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  9. What compound directly provides energy for cellular work?

    10. A.

     ATP
    B.

     ADP
    C.

     NADP
    D.

     NADH

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  10. The outer membrane that covers the lungs

    11. A.

     Dura mater
    B.

     Pleura
    C.

     Pia mater
    D.

     Myelin sheath

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