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Read the following statements and find o...

Read the following statements and find out the incorrect statement.
(a) Water is essential for all physiological activities of the plant and plays a very important role in all living organisms.
(b) A mature corn plant absorbs almost five litres of water in a day.
(c) A mature plant absorbs water equal to its own weight in about 3 hours.
(d) Water is often the limiting factor for plant growth and productivity in both agricultural and natural environments.
(e) A watermelon has over 92 percent water, most herbaceous plants have only about 10 to 20 percnet of its fresh weigth as dry matter.

A

b,c,e

B

a, b, d

C

a, c, e

D

b, c, d

Text Solution

Verified by Experts

The correct Answer is:
A

A mature comp plant almost three litres of water in a day
A mustard plant absorbs water equal to its own weight in about 5 hours
A watermelon has over 32 precent water,most herba-ceous plants have only about 10 to 15 per cent of its fresh weight as dry matter.
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Knowledge Check

  • A mature corn plant absorbs almost …...of…... water in ...

    A
    5 litres ,in a day
    B
    1 litres ,one hour
    C
    5 litres in a half day
    D
    3 litres , a day
  • Go through the following points - I. A dry alive and respiring seeds has no water at all. II. A mature corn plant absorbs about 3 litres of water in a day. III. In 5 hours a mustard plant absorbs water equal to its own weight. IV. Water is often limiting for plant growth and productivity in both agricultural and natural environment.

    A
    All are correct
    B
    All are incorrect
    C
    Only I is correct
    D
    II, III and IV are correct
  • Select an incorrect statement for transport of water in plants

    A
    Long distance transport of substances can be explained by diffusion
    B
    Mass flow is the movement of substances in bulk or en masse as a result of pressure differences
    C
    Bulk flow can be achieved either through a positive hydrostatic pressure gradient or a negative hydrostatic pressure gradient
    D
    Diffusion is a slow process.
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