Simple quiz

You got 5 of 15 possible points.
Your score was: 33 %

Question Results

Score 0 of 1

Question:

True/false question

High soil moisture leads to decreased photosynthesis.

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Response:

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True

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

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 0 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

air humidity (VPD).

the total leaf area (LAI).

air temperature (T).

photosynthetically active solar radiation (PAR).

atmospheric CO2.

soil moisture (REW).

Response:

soil moisture (REW).

atmospheric CO2.

the total leaf area (LAI).

air temperature (T).

photosynthetically active solar radiation (PAR).

air humidity (VPD).

Score 1 of 1

Question:

Multiple choice question

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

soil heat.

sun light.

soil nutrients.

atmospheric oxygen.

Response:

soil nutrients.

atmospheric oxygen.

sun light.

soil heat.

Score 0 of 1

Question:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in air temperature.

the changes in soil temperature.

the changes in CO2 concentration.

the changes in light.

Response:

the changes in air temperature.

the changes in CO2 concentration.

the changes in soil temperature.

the changes in light.

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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False

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

Score 0 of 1

Question:

True/false question

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

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Response:

User answer
False
Score 0 of 1

Question:

True/false question

Plants open its stomata to avoid losing too much water.

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Response:

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True

Plant closes its stomata to avoid losing too much water.

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

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

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Response:

User answer
False
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

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

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Response:

User answer
True
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 0 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of CO2.

exposure to shortage of soil moisture.

exposure to excess of light.

exposure to high temperature.

Response:

exposure to high temperature

exposure to excess of CO2

exposure to shortage of soil moisture

exposure to excess of light

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