Advertisements
Advertisements
प्रश्न
What is Active transport?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Fill in the blank with the suitable term given below:
Transportation in plants is carried out by a __________ system.
Fill in the blank with the suitable term given below:
The upward movement of sap that contains water and minerals is called _______ of sap.
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.
Differentiate between the following
Active transport and Passive transport.
Active transport involves ______
Which of the following process requires energy?
Pumps are related to
The process for which energy is required is ______.
Active transport is one in which the ions outside the roots move in by utilising ______.
