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Photosynthesis ...

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  • Question 1
    1 / -0

    Photosynthesis is maximum in

  • Question 2
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    The experiments of which of the following scientists showed that small bubbles were formed around green parts in bright sunlight, while in the dark, they did not?

  • Question 3
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    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 4
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    Match the following:

    Name of the pigment Colour
    a. Chlorophyll a 1. Yellow-green
    b. Chlorophyll b 2. Bright Yellow
    c. carotene 3. Bright or blue-green in the chromatogram

  • Question 5
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    Which scientist gave the "Law of Limiting Factors" in 1905?

  • Question 6
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    The essential role of air in the growth of green plants is given by

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

  • Question 8
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    The chief pigment associated in process of photosynthesis is

  • Question 9
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    Which of the following is not included in light reactions or in the 'photochemical' phase?

  • Question 10
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    In chloroplasts, there is a membranous system. Which of the following is/are not a part of this membranous system?

    a. Grana
    b. Starch granule
    c. Stroma lamellae

  • Question 11
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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 12
    1 / -0

    In photosynthesis, the proton accumulation is in the 

  • Question 13
    1 / -0

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

  • Question 14
    1 / -0

    Photosynthesis take place in

  • Question 15
    1 / -0

    Which of the following statements is/are false?

    a. The substances that have an ability to absorb light at specific wavelengths are called pigments.
    b. The membrane system is responsible for the synthesis of ATP and NADPH.
    c. Most of the photosynthesis takes place in the yellow and green regions of the spectrum.

  • Question 16
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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 17
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    Which of the following is the major pigment responsible for trapping light for photosynthesis?

  • Question 18
    1 / -0

    The site in chloroplast which is responsible for trapping for light energy is

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