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Nutrition in Plants And Animals Test - 3

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Nutrition in Plants And Animals Test - 3
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Weekly Quiz Competition
  • Question 1
    1 / -0

    What are the synthesised and storage forms of food in photosynthesis, respectively?

    Solution

    The synthesised and storage forms of energy in photosynthesis are glucose and starch, respectively.

     

  • Question 2
    1 / -0

    How do the raw materials required for the photosynthesis reach the plants?

    Solution

    Raw materials for photosynthesis are CO2 and water. CO2 and water are absorbed from air and soil, respectively.

     

  • Question 3
    1 / -0

    Which organisms form the symbiotic association called Lichen?

    Solution

    Lichen is the symbiotic association between algae and fungus. Fungus benefits from algae because it provides food and alga benefits from fungus as it supplies moisture and nutrients and also gives protection to alga.

     

  • Question 4
    1 / -0

    Why plants cannot utilise nitrogen directly from the atmosphere?

    Solution

    Nitrogen in the air is N2 and it is very difficult to separate the atoms, so it cannot be utilised by the plants. Once it is fixed to the soil by a lightening strike, it can be used by plants.

     

  • Question 5
    1 / -0

    Which one of the following is a pair of symbiotic plant and a saprophyte, respectively?

    Solution

    Lichen is a symbiotic association between fungus and alga, thus Lichen is a symbiont. Mushroom is a saprophyte.

     

  • Question 6
    1 / -0

    What do the patches of green layer floating on the surface of stagnant water bodies like ponds and lakes consist of?

    Solution

    The patches of green layer floating on the surface of stagnant water bodies like ponds and lakes consist of alga.

     

  • Question 7
    1 / -0

    A small pore A surrounded by B takes in C and gives out D and E. What are A, B, C, D, and E, respectively?

    Solution

    A, B, C, D, and E are Stomata, guard cells, CO2, O2 and water, respectively.

     

  • Question 8
    1 / -0

    Which of the following organism never exists as symbiont in nature?

    Solution

    Viruses never exist as symbiont in nature. They mainly act as parasites.

     

  • Question 9
    1 / -0

    Which of the following is not necessary for carrying out the process of photosynthesis?

    Solution

    Oxygen is not required for carrying out the process of photosynthesis.

     

  • Question 10
    1 / -0

    Two shrubs, A and B, of the same kind are taken. A is kept in sunlight, whereas B is kept in dark for 32-48 hours. After 48 hours, when iodine test is performed on leaves of these two plants, then the leaves of

    Solution

    The leaves of plant A turn blue-black. As plant A is kept in sunlight, it prepares starch, which turns blue-black in the presence of iodine. However, the leaves of plant B could not prepare starch as they did not get sunlight.

     

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