Photosynthesis Question 21
21. The principle of limiting factors was proposed by
[1996]
(a) Blackman
(b) Hill
(c) Arnol
(d) Liebig
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Answer : a
Hints & Solution
(a) The principle of limiting factors was formulated by Blackman (1905). It states that when a process is conditioned as to its rapidity by a number of separate factors, the rate of process is limited by the pace of slowest factor.
