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Photosynthesis in Higher Plants

Short Answer Type

41. Why does rate of photosynthesis in plants growing under the forest canopy show marked decrease ?

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42. What is the abvantage of having more than one pigment molecule in a photocentre ?

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Long Answer Type

43. Describe about non-cyclic photophos-phorylation.

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Short Answer Type

44. Write a note on phycobilins.

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Long Answer Type

45. Draw a schematic diagram of C₃ cycle.

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Short Answer Type

46. What are the steps common to C₃ and C₄ cycle ?

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47.

What is Kranz anatomy?

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48. Are the enzymes, that catalyze the dark reactions of carbon fixation, located inside or outside the thylakoids ?

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Long Answer Type

49. Write a note on action and absorption spectrum.

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Short Answer Type

50. What does the Blackmann’s law of limiting factor state.

Blackmann’s law of limiting factor states that :
If a chemical process is affected by more than one, then the rate is determined by the factor which is nearest to its minimal value. The minimum or limiting factor is the factor which directly affects the process if its quantity id changed. “

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