Blackman's law is related to

Blackman's law is related to
  1. respiration
  2. transpiration
  3. root pressure
  4. 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.

Asked in: NEET 2010 (Screening)

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