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Which graph shows the effect of temperature on the rate of photosynthesis?




This question is part of Plant Revision
Asked by Aj., Last updated: Feb 21, 2020

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4 Answers

J.Spencer

Knowledge Enthusiast, Knows A Lot of Stuff.

J.Spencer, Knowledge enthusiast, Tokyo

Answered Jan 21, 2019

The answer is D.

The rate of photosynthesis keeps rising until 40 degrees Celsius. Above the temperature of 40 degrees, the enzymes responsible for photosynthesis lose their shape and cannot synthesize glucose anymore. Hence photosynthesis experiences a steep drop and around 50-60 degrees, the enzymes get completely destroyed hence photosynthesis stops completely.

 

grinberg

Grinberg

Answered Feb 26, 2018

The answer to this is B

 

John Adney

John Adney

Answered Oct 15, 2017

B

Because the temperature acts as limiting agent as per the graphs shown

 

moetest

Moetest

Answered Oct 15, 2017

D

Photosynthesis is controlled by enzymes. High temperature will denature the enzymes. So the graph is the same as that of the enzyme.
 

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