Question

1. How can you measure the rate of photosythesis?
2. Does light intensity affect the rate of photosythesis?

Answer 1

Answer:

1.

Measuring photosynthesis via the production of oxygen :

Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.

2.

Light intensity :

Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.

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Answer 2

Answer:

1 ) Measuring photosynthesis via the production of oxygen

Oxygen can be measured by counting bubbles evolved from pond weed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.

2 )As you rise from low light intensity to higher light intensity, the rate of photosynthesis will increase because there is more light available to drive the reactions of photosynthesis. ... A limiting factor could be the amount of chlorophyll molecules that are absorbing the light.

Explanation:

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