Limiting Factors of Photosynthesis Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The rate of photosynthesis increases with the increase in

1. hydrogen
2. nitrogen
3. carbon dioxide
4. oxygen

MCQ 2: The factors that can act as limiting factors for the photosynthesis process includes

1. light intensity
2. availability of water
3. concentration of carbon dioxide
4. all of above

MCQ 3: The deficiency or absence of any environmental factors that can decrease the rate or speed of metabolic reaction is called

1. limiting factor
2. defeating factor
3. winning factor
4. metabolic factor

MCQ 4: As the intensity of light increases, the rate of photosynthesis

1. increases
2. decreases
3. remains same
4. none of above

MCQ 5: The increase in the level of carbon dioxide beyond a certain level leads to the

1. decreased photosynthesis only
2. closure of stomata only
3. increased photosynthesis
4. decreased photosynthesis and closure of stomata