Which enzyme converts starch into glucose?

What are the raw materials required for photosynthesis to occur? Write the balanced chemical equation for the process.

Name the process by which plants make food.

What is primarily digested in the human stomach?

All green plants are . . . . . . .

Given below is the experimental set-up to establish that one of the atmospheric gases is essential for photosynthesis in plants. $(a)$ Name the atmospheric gas which is essential for photosynthesis. $(b)$ What is kept in the watch-glass in figure 'a' and why? $(c)$ Write the balanced chemical equation for the process of photosynthesis. $(d)$ When do the desert plants take up carbon dioxide and perform photosynthesis?