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Factors of Photosynthesis and their Effects Video Lecture | Biology Class 11 - NEET

FAQs on Factors of Photosynthesis and their Effects Video Lecture - Biology Class 11 - NEET

1. What are the main factors affecting the rate of photosynthesis?

Ans. The main factors affecting the rate of photosynthesis include light intensity, carbon dioxide concentration, temperature, and water availability. Each of these factors plays a crucial role in the efficiency of the photosynthetic process.

2. How does light intensity influence photosynthesis?

Ans. Light intensity directly affects the rate of photosynthesis. Higher light intensity increases the energy available for photosynthesis, leading to a higher production of glucose. However, there is a saturation point beyond which increases in light intensity do not further enhance the rate.

3. Why is carbon dioxide concentration important for photosynthesis?

Ans. Carbon dioxide is one of the key raw materials for photosynthesis. Higher concentrations of carbon dioxide can enhance the rate of photosynthesis, as it provides more substrate for the reaction. However, like light intensity, there is a limit to how much carbon dioxide can be utilized effectively.

4. How does temperature affect photosynthesis?

Ans. Temperature influences the enzymes involved in photosynthesis. Each enzyme has an optimal temperature range for activity. If the temperature is too low, the enzymes may work slowly, while if it is too high, they may denature, reducing the photosynthesis rate.

5. What role does water play in photosynthesis?

Ans. Water is essential for photosynthesis as it is a raw material used in the process. It provides electrons needed for the light-dependent reactions and helps in maintaining turgor pressure in plant cells. Insufficient water can lead to a decrease in photosynthesis due to stomatal closure and reduced gas exchange.

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Oct 15, 2025 Last updated

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NEET Class 11

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