Simple quiz

You got 12 of 15 possible points.
Your score was: 80 %

Well done!

Question Results

Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
True
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

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

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Response:

User answer
True
Score 1 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
True
Score 1 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

soil moisture (REW).

atmospheric CO2.

photosynthetically active solar radiation (PAR).

the total leaf area (LAI).

air humidity (VPD).

air temperature (T).

Response:

air humidity (VPD).

air temperature (T).

the total leaf area (LAI).

soil moisture (REW).

atmospheric CO2.

photosynthetically active solar radiation (PAR).

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:

Soil nutrients

Atmospheric CO2

Soil water

Solar radiation

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 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

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 0 of 1

Question:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in air temperature.

the changes in CO2 concentration.

the changes in light.

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:

True/false question

A complex microbiota lives belowground, releasing carbon dioxide to the soil.

Answer hidden

Response:

User answer
True
Score 1 of 1

Question:

True/false question

Leaf area increases with stand age, resulting in a decreasing rate of photosynthesis in the stand.

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Response:

User answerFeedback
False

An increment in leaf area increases also the photosynthesis of a tree stand. However, the relationship is saturating.

Score 1 of 1

Question:

True/false question

Transpiration decreases as air becomes drier.

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Response:

User answer
False
Score 1 of 1

Question:

True/false question

The rate of respiration decreases with temperature.

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Response:

User answer
False
Score 0 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of light.

exposure to excess of CO2.

exposure to shortage of soil moisture.

exposure to high temperature.

Response:

exposure to excess of light.

exposure to excess of CO2.

exposure to high temperature.

exposure to shortage of soil moisture.