Answer
Verified
394.2k+ views
Hint:Transpiration is a process that involves the loss of water from the plants to the surroundings in the form of water vapour. The transpiration process in plants takes place in the leaves.
Complete answer:
To answer this question, we have to know about the structure of stomata that helps in the transpiration process. The stomata are the pores found in the epidermal surface of the leaves. It consists of two kidneys-like structures called guard cells. The inner wall of the guard cell is thicker in comparison to the outer wall. There are microfibrils found in the guard cells that involve in the opening and closing of the stomatal aperture. The opening and closing of the stomata is a result of change in the turgidity in the guard cells. In the daytime the guard cells involved in the photosynthesis process as a result the osmotic pressure increases and the guard cells absorb the water contained from the neighboring cells that make the guard cells turgid. Then the outer wall of the guard cell is pushed out and the inner wall pulls in the inward direction that causes the opening of the stomata. And during night due to unavailability or scarcity of water the stomata remain close as the guard cell becomes flaccid. Therefore, we can say that the opening and closing of the stomatal pore depends upon the water in guard cells.
Hence, the correct answer is ‘C’. Water in guard cells.
Note:The oxygen and the carbon dioxide exchange in the plants are carried out by osmosis process it does not relate with the opening and closing of the guard cells. The wind velocity does not relate to the transpiration process.
Complete answer:
To answer this question, we have to know about the structure of stomata that helps in the transpiration process. The stomata are the pores found in the epidermal surface of the leaves. It consists of two kidneys-like structures called guard cells. The inner wall of the guard cell is thicker in comparison to the outer wall. There are microfibrils found in the guard cells that involve in the opening and closing of the stomatal aperture. The opening and closing of the stomata is a result of change in the turgidity in the guard cells. In the daytime the guard cells involved in the photosynthesis process as a result the osmotic pressure increases and the guard cells absorb the water contained from the neighboring cells that make the guard cells turgid. Then the outer wall of the guard cell is pushed out and the inner wall pulls in the inward direction that causes the opening of the stomata. And during night due to unavailability or scarcity of water the stomata remain close as the guard cell becomes flaccid. Therefore, we can say that the opening and closing of the stomatal pore depends upon the water in guard cells.
Hence, the correct answer is ‘C’. Water in guard cells.
Note:The oxygen and the carbon dioxide exchange in the plants are carried out by osmosis process it does not relate with the opening and closing of the guard cells. The wind velocity does not relate to the transpiration process.
Recently Updated Pages
How do you arrange NH4 + BF3 H2O C2H2 in increasing class 11 chemistry CBSE
Is H mCT and q mCT the same thing If so which is more class 11 chemistry CBSE
What are the possible quantum number for the last outermost class 11 chemistry CBSE
Is C2 paramagnetic or diamagnetic class 11 chemistry CBSE
What happens when entropy reaches maximum class 11 chemistry JEE_Main
Calculate the volume occupied by 88 gram of CO2 at class 11 chemistry CBSE
Trending doubts
Assertion CNG is a better fuel than petrol Reason It class 11 chemistry CBSE
How does pressure exerted by solid and a fluid differ class 8 physics CBSE
Number of valence electrons in Chlorine ion are a 16 class 11 chemistry CBSE
What are agricultural practices? Define
What does CNG stand for and why is it considered to class 10 chemistry CBSE
The rate of evaporation depends on a Surface area b class 9 chemistry CBSE
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
State whether the following statement is true or false class 11 physics CBSE
A night bird owl can see very well in the night but class 12 physics CBSE