Question

Briefly explain how gaseous exchange takes place in terrestrial plants.​

Answer 1

Answer:
In terrestrial plants, gaseous exchange takes place through tiny openings called stomata on the surface of leaves. These stomata allow for the exchange of gases such as carbon dioxide and oxygen with the surrounding atmosphere. During photosynthesis, carbon dioxide enters the plant through the stomata, while oxygen produced during photosynthesis exits through the same openings. This process enables plants to obtain the necessary carbon dioxide for photosynthesis and release oxygen as a byproduct.

Answer 2

Gaseous exchange, or respiration, is the process in which terrestrial plants take in oxygen from the air and release carbon dioxide. It involves a series of biochemical processes that take place within specialized cells embedded within the plant's leaves.

The first step of gaseous exchange in terrestrial plants is diffusion, where molecules move from an area of high concentration to an area of lower concentration. In this case, atmospheric oxygen diffuses into leaf cells through small openings on their surface called stomata. As these molecules enter the leaf cells, they are taken up by specialized photosynthetic organelles known as chloroplasts.

Chloroplasts then absorb energy from sunlight and use it to combine CO2 with water (H2O) to produce sugars and other organic compounds such as amino acids and lipids (photosynthesis). The resulting reaction produces chemical energy stored in the form of ATP (Adenosine Triphosphate). This ATP drives various metabolic pathways that use oxygen as well as glucose for cellular respiration. During this process, some oxygen enters the cell while some carbon dioxide is released back out into the atmosphere through small openings on their surface called stoma – completing the cycle of gas exchange between terrestrial plants and their environment.

Step-by-step explanation: