Q33 / 180 · AIIMS 2001 · Botany

Blackman's law is related to

  • A
    respiration
  • B
    transpiration
  • C
    root pressure
  • Correct answer
    D
    photosynthesis.

Solution

Blackman formulated the principle of limiting factors. He studied the effect of $\mathrm{CO}_2$ concentration, light intensity and temperature on the rate of photosynthesis.

Hence, the correct answer is option: 'D'.

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