SCIENCE
RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Occur during day and night
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Use oxygen (Oxygen in)
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Produce water
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Use carbon dioxide (Carbon dioxide in)
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Detailed explanation-1: -The correct answer is option 1 i.e In photosynthesis by green plants carbon dioxide is used for making carbohydrate. Explanation: Photosynthesis: Photosynthesis requires sunlight, carbon dioxide and water to produce glucose.
Detailed explanation-2: -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-3: -It is equal to the total mass of oxygen and glucose formed.
Detailed explanation-4: -The small pores present on leaves help plants take in carbon dioxide and give out oxygen during the process of photosynthesis. These pores are called stomata.
Detailed explanation-5: -During photosynthesis carbon dioxide (CO2) is utilized during the Calvin cycle, also known as the dark reactions. The first step of photosynthesis requires sunlight and is thus called the light reactions. The light reactions produce the energy to power the Calvin cycle.