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Question:

True/false question

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

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

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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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Question:

True/false question

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

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Question:

True/false question

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

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Question:

Multiple choice question

As plants respire, they release

carbon dioxide.

oxygen.

Response:

carbon dioxide.

oxygen.

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Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

air humidity (VPD).

air temperature (T).

photosynthetically active solar radiation (PAR).

soil moisture (REW).

the total leaf area (LAI).

atmospheric CO2.

Response:

the total leaf area (LAI).

photosynthetically active solar radiation (PAR).

air humidity (VPD).

air temperature (T).

soil moisture (REW).

atmospheric CO2.

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Question:

Multiple choice question

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

Soil nutrients

Soil water

Solar radiation

Atmospheric CO2

Response:

Atmospheric CO2

Soil nutrients

Soil water

Solar radiation

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Question:

Multiple choice question

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

sun light.

atmospheric oxygen.

soil heat.

soil nutrients.

Response:

sun light.

atmospheric oxygen.

soil nutrients.

soil heat.

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Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of light.

exposure to high temperature.

exposure to shortage of soil moisture.

exposure to excess of CO2.

Response:

exposure to shortage of soil moisture

exposure to high temperature

exposure to excess of light

exposure to excess of CO2

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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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Question:

True/false question

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

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Question:

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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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Question:

True/false question

The rate of respiration decreases with temperature.

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Question:

True/false question

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

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Question:

True/false question

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

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