Which of the following statements about leaves are correct?
I. Leaves are generally referred to as the food factories of plants.
II. Loss of water that takes place from the leaf surface is called conduction.
III. Chlorophyll present in the leaves is necessary for photosynthesis.
IV. Tiny openings present on the upper and lower surface of leaves provide flexibility to plants. Select the correct answer using the codes given below

Options

A. I and III
B. I, II and III
C. I, III and IV
D. All of these