Simple quiz

You got 7 of 15 possible points.
Your score was: 47 %

Question Results

Score 0 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

photosynthetically active solar radiation (PAR).

atmospheric CO2.

air humidity (VPD).

soil moisture (REW).

air temperature (T).

the total leaf area (LAI).

Response:

the total leaf area (LAI).

soil moisture (REW).

photosynthetically active solar radiation (PAR).

atmospheric CO2.

air humidity (VPD).

air temperature (T).

Score 0 of 1

Question:

True/false question

Transpiration decreases as air becomes drier.

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Response:

User answer
True
Score 0 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
False
Score 0 of 1

Question:

True/false question

The rate of respiration decreases with temperature.

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Response:

User answer
True
Score 0 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
False
Score 1 of 1

Question:

True/false question

Carbon becomes locked as part of the accumulating plant biomass as plants grow.

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Response:

User answer
True
Score 0 of 1

Question:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in soil temperature.

the changes in light.

the changes in CO2 concentration.

the changes in air temperature.

Response:

the changes in CO2 concentration.

the changes in light.

the changes in air temperature.

the changes in soil temperature.

Score 1 of 1

Question:

Multiple choice question

As plants respire, they release

carbon dioxide.

oxygen.

Response:

carbon dioxide.

oxygen.

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 0 of 1

Question:

True/false question

Carbon capture is performed by the green parts of plants via photosynthesis.

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Response:

User answer
False
Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True
Score 1 of 1

Question:

Multiple choice question

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

Soil water

Atmospheric CO2

Solar radiation

Soil nutrients

Response:

Soil water

Atmospheric CO2

Solar radiation

Soil nutrients

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

High soil moisture leads to decreased photosynthesis.

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Response:

User answerFeedback
False

In boreal upland forests, low soil moisture decreases the rate of photosynthesis.

Score 1 of 1

Question:

True/false question

Plant respiration captures CO2.

Answer hidden

Response:

User answerFeedback
False

Unlike photosynhesis, plant respiration captures atmospheric oxygen and releases carbon dioxide.