Welcome to the Quiz!

This quiz contains 10 questions from a mix of 1 subtopics.

How does low light intensity affect photosynthesis?

it limits the light-dependent stage

it slows the light-independent stage

it reduces the production of ATP and reduced NADP

all of the above

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What happens to the rate of photosynthesis at very high light intensity?

it stops

it decreases

it increases

it plateaus

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What is the light compensation point?

when the volume of oxygen produced equals the volume of carbon dioxide absorbed

when the volume of carbon dioxide produced equals the volume of oxygen absorbed

when the volume of oxygen absorbed and carbon dioxide produced in photosynthesis is balanced by the oxygen produced and the carbon dioxide absorbed by respiration

when the volume of oxygen produced and carbon dioxide absorbed in photosynthesis is balanced by the oxygen absorbed and the carbon dioxide produced by respiration

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Which is NOT an effect of low carbon dioxide concentration on photosynthesis?

it reduces the production of GP and TP

it limits the light-dependent stage

it decreases the rate of photosynthesis

it limits the light-independent stage

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What happens to the rate of photosynthesis at high carbon dioxide concentration?

it increases

another factor like light becomes limiting

it decreases

it stops

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What is the saturation point in photosynthesis?

when the factor being measured is no longer limiting the reaction

when something else becomes the limiting factor

both of the above

none of the above

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What happens to the rate of photosynthesis at very high temperatures?

it decreases sharply

it stops

it plateaus

it increases

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What happens at an intermediate light intensity compared to a low light intensity in photosynthesis?

(Select all that apply)

more TP gets converted to GP

RuBP is regenerated more quickly in the light-dependent stage

RuBP is regenerated more quickly in the light-independent stage

more GP gets converted to TP

more ATP and reduced NADP are produced in the light-dependent stage

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What happens at an intermediate temperature (below the optimum) compared to a low temperature in photosynthesis?

(Select all that apply)

increased rate of photosynthesis

increased kinetic energy supplied to enzyme-catalysed reactions

decreased rate of photosynthesis

enzymes denature

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What is the term for a factor that is in shortest supply in photosynthesis?

limiting factor

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