Living cells placed in isotonic solution (0.9% saline) retain their size and shape. This is based on the concept of
Facilitated diffusion
Diffusion
Osmosis
Transpiration
Additional Questions
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Hydathodes are also called |
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When pea seeds and wheat grains are soaked in water, pea seeds showed more swelling than the wheat. The reason is |
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A soil sample is found to have 25% of its volume occupied by soil water. Of this, 10% is hygroscopic water and .the remaining is capillary water. What is the field capacity of this soil? |
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When the concentration of the soil solutes is low, the absorption of water is |
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Which one of the followings establishes the barrier to the apoplastic movement of solutes into the vascular cylinder? |
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The direction of water in the leaflets of Cycas from midrib is |
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Study the following lists and choose the correct option.
The correct match is : |
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Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be: |
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Munch hypothesis is based on |
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The translocation of organic solutes in sieve tube members is supported by |
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