Which of the following statement is correct : 1. At night, these guard cells swell with water and become bloated, opening the stoma. 2. During the day, the guard cells release their water and the stomata close. 3. More than 97% percent of water reaching the leaves is used in plant growth and photosynthesis. 4. The rate of transpiration can be easily demonstrated by cobalt chloride paper test.

Which of the following statement is correct : 1. At night, these guar

1.	Which of the following statement is correct : 1. At night, these guard cells swell with water and become bloated, opening the stoma. 2. During the day, the guard cells release their water and the stomata close. 3. More than 97% percent of water reaching the leaves is used in plant growth and photosynthesis. 4. The rate of transpiration can be easily demonstrated by cobalt chloride paper test.
Answer» Which of the following statement is correct : 1. At night, these guard cells swell with water and become bloated, opening the stoma. 2. During the day, the guard cells release their water and the stomata close. 3. More than 97% percent of water reaching the leaves is used in plant growth and photosynthesis. 4. The rate of transpiration can be easily demonstrated by cobalt chloride paper test.