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BIOLOGY

JAMB 2009 - Question 34

Biology 2009 JAMB Past Questions - Question 34: The zone of physiological stress is represented by

Use the diagram to answer question that follows

The zone of physiological stress is represented by

A: i and li

B: II only

C: II and ill

D: I and III

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Correct Answer

Explanation

D -These Zones are away from option temperature which promotes high metabolicactivities such as respiration and growth. in zone I the temperature is very low so that metabolic activities, arestopped. In zone ill, high temperature denatures "enzymes and hormoneswhich arc proteinous and so metabolic activities affected. Zone II has optimaltemperature for the growth of the organisms