Question

The gaseous product of a process in plants is a requirement for another vital process that releases energy.

Given below are four combinations of the process and product. Identify the correct answer.

(a) Respiration and nitric oxide

(b) Transpiration and water vapour

(c) Photosynthesis and oxygen

(d) Germination and carbon dioxide

Answer 1

(c) Photosynthesis and oxygen

Oxygen is the gaseous product of photosynthesis which is also required for respiration. Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.