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Photosynthesis ...

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  • Question 1
    1 / -0

    Which of the following is the major pigment responsible for trapping light for photosynthesis?

  • Question 2
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    Which of the following is not included in light reactions or in the 'photochemical' phase?

  • Question 3
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    In which of the following parts of a cell is ATP synthesised?

    a. Ribosome
    b. Mitochondria
    c. Chloroplast
    d. Nucleus

  • Question 4
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    In photosynthesis, the proton accumulation is in the

  • Question 5
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    Which of the following products of light reaction is/are used to drive the processes leading to the synthesis of sugars?

    a. Oxygen
    b. ATP
    c. NADPH

  • Question 6
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    Match the following:

    a. Carboxylation phase 1. During this phase, carbohydrate is formed at the expense of the photochemically made ATP and NADPH.
    b. Reduction phase 2. During this phase, CO2 combines with ribulose-1,5-bisphosphate.
    c. Regeneration phase 3. During this phase, the CO2 acceptor ribulose-1,5-bisphosphate is formed again, so that the cycle continues.

  • Question 7
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    Which of the following is not a characteristic of C4 plants?

  • Question 8
    1 / -0

    All of the following are internal factors that affect photosynthesis, except

  • Question 9
    1 / -0

    Which of the following statements is/are false?

    a. In carbon fixation cycle, carbon dioxide is added by ATPase enzyme to a 5-carbon compound RuBP.
    b. Light harvesting complexes are made up of hundreds of pigment molecules bound to proteins.
    c. The enzyme NADP reductase is located on the stroma side of the membrane.

  • Question 10
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    The large cells around the vascular bundles of the C4 pathway plants are called bundle sheath cells. Which of the following is/are not characteristic(s) of bundle sheath cells?

    a. No intercellular spaces
    b. Thick walls impervious to gaseous exchange
    c. Very less number of chloroplasts

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