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Photosynthesis in Higher Plants Test - 1

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Photosynthesis in Higher Plants Test - 1
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  • Question 1
    1 / -0

    Name the photosynthetic pigment which can be converted to Vitamin A?

    Solution

    Explanation:

    The photosynthetic pigment Beta-carotenes can be converted to Vitamin A. carrot contain large quantity of carotenes that can be converted into vitamin A.

     

  • Question 2
    1 / -0

    Accessory pigments protect plants from

    Solution

    Explanation:

    Other thylakoid pigments like chlorophyll b, xanthophylls and carotenoids, which are called accessory pigments, also absorb light and transfer the energy to chlorophyll a. Indeed, they not only enable a wider range of wavelength of incoming light to be utilized for photosynthesis but also protect chlorophyll a from photo-oxidation.

     

  • Question 3
    1 / -0

    The substances that have ability to absorb light at different specific wavelength are

    Solution

    Explanation:

    Pigments are substances that have an ability to absorb light, at specific wavelengths. The chlorophylla pigment absorb lights of different wavelengths.

     

  • Question 4
    1 / -0

    Solarisation is

    Solution

    Explanation:

    Solarisation is the inhibition of photosynthesis at very high light intensities due to photoxidation of certain compounds and destruction of chlorophyll moleucules.

     

  • Question 5
    1 / -0

    Photosynthesis is maximum in

    Solution

    Explanation:

    There is maximum absorption by chlorophyll a, in the red region and so there is higher rate of photosynthesis.

     

  • Question 6
    1 / -0

    Photosynthesis take place in

    Solution

    Explanation:

    Photosynthesis takes place only in the green parts of the plants, mainly the leaves.

     

  • Question 7
    1 / -0

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

    Solution

    Explanation:

    The grana is responsible for trapping the light energy and converting it into ATP and NADPH during light reaction of photosynthesis.

     

  • Question 8
    1 / -0

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

    Solution

    Explanation:

    Joseph Priestley (1733-1804) in 1770 performed a series of experiments that revealed the essential role of air in the growth of green plants.\

     

  • Question 9
    1 / -0

    The chief pigment associated in process of photosynthesis is

    Solution

    Explanation:

    Chlorophyll a, shows higher rate of photosynthesis.so, chlorophyll a is the chief pigment associated with photosynthesis.

     

  • Question 10
    1 / -0

    The splitting of water molecule take place inside

    Solution

    Explanation:

    Splitting of the water molecule takes place on the inner side of the membrane, the protons or hydrogen ions that are produced by the splitting of water accumulate within the lumen of the thylakoids.

     

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