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According to Blackman's law of limiting factors, when a process depends on several factors, its rate is determined by the factor
Your answer:
Correct answer: (a)
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Explanation
Why (a) is correct
Blackman's law of limiting factors says that the rate of a process depending on several factors is determined by the factor nearest to its minimal value.
Why the other options are wrong
- (b) · your answer Being a gas does not make a factor limiting.
- (c) · your answer Being an enzyme does not make a factor limiting.
- (d) · your answer The factor in the largest amount is not limiting.
NCERT point: Changing the limiting factor changes the rate; changing others does not.
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