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Photosynthesis in Higher Plants

One Word Answers

31. Where light reaction occur in C₄Plants ?

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Short Answer Type

32. Define the term photosynthesis and give two of its significance.

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33. What is light compensation point ?

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34. Prove that the oxygen comes from water and not from the carbon dioxide.

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35. Describe the effect of oxygen on photosynthesis.

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36. Describe Robin Hill experiment.

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37. Describe internal factors affecting photosynthesis.

Internal factors affecting photosynthesis are :

1. The number, size , age and orientation of the leaves, mesophyll cells and chloroplasts

2. Internal C0₂ concentraion.

3. The amount of chlorophyll

4. Genetics and the growth of the plants.

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38. Write a note on photosynthetic unit.

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Long Answer Type

39. Write notes on photosystem I and II.

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Short Answer Type

40. Mention the functions of carotenoids.

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