DENDROLOGY

Detailed explanation-1: -During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.

Detailed explanation-2: -Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration. Plants also release oxygen into the atmosphere through photosynthesis.

Detailed explanation-3: -For photosynthesis green plants take greenhouse gas from the air. The CO$ 2$ enters the leaves of the plant through the stomata present on their surface. Each stomatal pore is surrounded by a pair of guard cells. The opening and shutting of the pores of stomata is controlled by the guard cells only.

Detailed explanation-4: -They need two key gases: oxygen is used in aerobic respiration, where food molecules are broken down to release energy for growth. This process releases carbon dioxide as a waste product. carbon dioxide is used in photosynthesis, where the sun’s energy is harnessed to make food.