Consider the following statement.
A. Transpiration takes place through a special opening called stomata.
B. It is also a process of excretion for plants.
C. The process acts as a cooling agent for plants.
D. It usually takes place at the stem of plants.
Which among the following statements are true?
1
A, B, D
2
A, B
3
A, B, C
4
A, B, C, D
5
Answer not known