DENDROLOGY

Detailed explanation-1: -Photosynthesis occurs only during daytime since sunlight is an important component of the same. Whereas, respiration is a continuous process that takes place at day and night.

Detailed explanation-2: -Photosynthesis in plants occurs only during the day when there is the sunlight but plants respire throughout the day and night. To carry out the process of photosynthesis, sunlight is important for the plant.

Detailed explanation-3: -During the day, photosynthesis is dominant, so there is a net release of oxygen. At night, photosynthesis stops but respiration continues, so there is a net consumption of oxygen.

Detailed explanation-4: -Answer. Explanation: Plants respire all the time, day and night. But photosynthesis only occurs during the day when there is sunlight.

Detailed explanation-5: -Plants respire in both day and night same as human being and photosynthesis only occurs during the day.