Photosynthesis - Flashcards in IGCSE Biology

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Created by: Carys Gerard
Created on: 04-04-13 15:20

1. How is the leaf adapted for photosynthesis?

Large amount of chloroplasts, large surface area and a large amount of stomata.
Small amount of chloroplasts, large surface area and a large amount of stomata.
Large amount of pollen grains, large surface area and a large amount of stomata.

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2. What affects the rate of photosynthesis?

Oxygen concentration, darkness intensity and temperature.
Carbon Dioxide concentration, light intensity and temperature.
Oxygen concentration, light intensity and temperature.

3. Why are leaves thin and flat?

So as much light as possible can be absorbed and the distances for gas diffusion are long.
So as much light as possible can be absorbed and the distances for gas diffusion are short.
So as little light as possible can be absorbed and the distances for gas diffusion are short.

4. How does magnesium aid growth?

To produce chlorophyll
To produce amino acids to make proteins
To produce yeast

5. How do nitrates aid growth?

To produce amino acids to make proteins
To produce chlorophyll
To produce amino alkalis to make proteins

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