Question
Question: I. O<sub>2</sub> helps in releasing metabolic energy essential for growth activities. II\. Nutrient...
I. O2 helps in releasing metabolic energy essential for growth activities.
II. Nutrients (Micro and Macromolecules) are required by plants for the synthesis or protoplasm as well as act as source of energy
III. Optimum temperature for plant growth is needed
IV. Environmental signal like light and gravity affect certain phases of growth
A
All are correct
B
All are incorrect
C
I, II and IV are correct
D
I and IV are correct
Answer
All are correct