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 decreases

it increases

it stops

it plateaus

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What is the light compensation point?

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

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

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

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

it decreases the rate of photosynthesis

it limits the light-dependent stage

it limits the light-independent stage

it reduces the production of GP and TP

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

it stops

it decreases

another factor like light becomes limiting

it increases

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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 stops

it decreases sharply

it increases

it plateaus

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

(Select all that apply)

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

RuBP is regenerated more quickly in the light-dependent stage

more TP gets converted to GP

RuBP is regenerated more quickly in the light-independent stage

more GP gets converted to TP

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

(Select all that apply)

enzymes denature

decreased rate of photosynthesis

increased rate of photosynthesis

increased kinetic energy supplied to enzyme-catalysed reactions

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

limiting factor

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