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प्रश्न
What is Active transport?
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उत्तर
Active transport is the passage of a substance (salt or ion) from its lower to higher concentration through a living cell membrane using energy from the cell. Active transport is in a direction opposite to that of diffusion. Certain nutrients, such as ions of nitrates, sulphates, potassium, zinc, manganese, etc., cannot pass through the cell membrane of the root cells easily. This is because their concentration is higher inside the root cells, and it is so maintained in order to develop osmotic pressure for absorbing water.
संबंधित प्रश्न
Lenticels or stomata (Which one remains open always?)
Fill in the blank with the suitable term given below:
Most water gets evaporated from the plant from its __________.
Fill in the blank with the suitable term given below:
The leaves have more__________ on their lower surface.
How water absorbed by the roots is important for the plants?
is the following statement true (T) or false (F)? Mark T or F
‘Girdling experiment’ demonstrates food synthesis in plants.
Which experiment demonstrates the transport of food material in plants by phloem?
Differentiate between the following
Active transport and Passive transport.
Pumps are related to
Active transport is one in which the ions outside the roots move in by utilising ______.
Define the following term:
Active transport
