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Biology - section-18
Biology - section - 2
  1. In plants, exchange of gases takes place through

    2. A.

     Stomata
    B.

     Palisade tissue
    C.

     Spongy tissue
    D.

     Mid rib

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  2. The numerous minute pores in the epidermis of a leaf are called

    3. A.

     Stomata
    B.

     Lenticels
    C.

     Hydathodes
    D.

     Perforation

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  3. Stomata helps in

    4. A.

     Exchange of gases
    B.

     Exchange of lipids
    C.

     Exchange of water
    D.

     Exchange of proteins

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  4. Release of water from plants as water droplets is known as

    5. A.

     Root pressure
    B.

     Transpiration
    C.

     Osmotic pressure
    D.

     Guttation

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  5. Stomata open at night in

    6. A.

     CAM plants
    B.

     C3 plants
    C.

     C4 plants
    D.

     Succulent plants

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  6. Rate of transpiration can be measured by

    7. A.

     Ganong's potometer
    B.

     Auxanometer
    C.

     Respirometer
    D.

     Porometer

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