Question

significance of Emersons effect
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Answer 1

Answer:

The Emerson effect is the increase in the rate of photosynthesis after chloroplasts are exposed to light of wavelength 670 nm (deep red spectrum) and 700 nm (far red spectrum). ... The effect was early evidence that two photosystems, processing different wavelengths, cooperate in photosynthesis.

Answer 2

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Emerson effect and Red drop

Emerson and Arnold experimental upon chlorella .

Observation:-

●Reported minimum photosynthetic yield when supplied monochromatic beam of 700nm or 680 nm (Red drop) .

●Reported enhancement in photosynthetic yeild when both 700 nm and 680 nm supplied together (enhancement effect or Emerson effect)

conclusion :-

The two types of photosystem PS1 and PS2 exist in photosynthetic units. They operation simultaneously and their operation or activation requires 700 nm and 680 nm radiation.

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