Simple quiz

You got 11 of 15 possible points.
Your score was: 73 %

Question Results

Score 1 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to high temperature.

exposure to excess of light.

exposure to excess of CO2.

exposure to shortage of soil moisture.

Response:

exposure to excess of CO2.

exposure to high temperature.

exposure to shortage of soil moisture.

exposure to excess of light.

Score 1 of 1

Question:

True/false question

Plants open its stomata to avoid losing too much water.

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Response:

User answerFeedback
False

Plant closes its stomata to avoid losing too much water.

Score 0 of 1

Question:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in light.

the changes in air temperature.

the changes in CO2 concentration.

the changes in soil temperature.

Response:

the changes in light.

the changes in soil temperature.

the changes in air temperature.

the changes in CO2 concentration.

Score 1 of 1

Question:

Multiple choice question

What is the source of carbon that is assimilated in photosynthesis?

Soil nutrients

Atmospheric CO2

Soil water

Solar radiation

Response:

Solar radiation

Soil nutrients

Soil water

Atmospheric CO2

Score 1 of 1

Question:

Multiple choice question

To transform atmospheric CO2 into organic molecules, plants can use the energy from

sun light.

soil nutrients.

atmospheric oxygen.

soil heat.

Response:

atmospheric oxygen.

soil heat.

sun light.

soil nutrients.

Score 0 of 1

Question:

True/false question

In some part of the stems, some photosynthesis may also occur.

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Response:

User answer
False
Score 1 of 1

Question:

True/false question

In general, the more carbon dioxide that is available to the plant, the faster the rate of photosynthesis - if other factors are favourable.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

Early spring is a tricky time for plants due to the combination of sunny but still quite cold days.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

Transpiration decreases as air becomes drier.

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Response:

User answer
False
Score 0 of 1

Question:

True/false question

Almost half of the total biomass of a tree may be allocated to the roots.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

When there is low soil moisture, plants close its stomata pores which then decreases photosynthesis.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

The effect of light on photosynthesis has a clear saturating pattern: more light results in more photosynthesis but eventually leaves cannot take full advantage of all the extra light.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

At low air humidity, a plant closes its stomata to prevent transpiration. The action also decreases photosynthesis

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Response:

User answer
True
Score 0 of 1

Question:

True/false question

The rate of respiration decreases with temperature.

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Response:

User answer
True
Score 1 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

photosynthetically active solar radiation (PAR).

air temperature (T).

soil moisture (REW).

the total leaf area (LAI).

atmospheric CO2.

air humidity (VPD).

Response:

photosynthetically active solar radiation (PAR).

soil moisture (REW).

air temperature (T).

air humidity (VPD).

the total leaf area (LAI).

atmospheric CO2.