Simple quiz

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

Question Results

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:

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True
Score 0 of 1

Question:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in CO2 concentration.

the changes in light.

the changes in soil temperature.

the changes in air temperature.

Response:

the changes in soil temperature.

the changes in CO2 concentration.

the changes in air temperature.

the changes in light.

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:

True/false question

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

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Response:

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True

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

De-hardening in spring involves gradual re-hydration of the cells, recovery of photosynthetic capacity and a tight control of water loss.

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Response:

User answer
True
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:

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False

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

Score 1 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of light.

exposure to shortage of soil moisture.

exposure to excess of CO2.

exposure to high temperature.

Response:

exposure to excess of CO2

exposure to excess of light

exposure to shortage of soil moisture

exposure to high temperature

Score 1 of 1

Question:

Multiple choice question

As plants respire, they release

carbon dioxide.

oxygen.

Response:

oxygen.

carbon dioxide.

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

Photosynthesis of a tree canopy is driven or influenced by

air temperature (T).

atmospheric CO2.

air humidity (VPD).

soil moisture (REW).

the total leaf area (LAI).

photosynthetically active solar radiation (PAR).

Response:

air humidity (VPD).

atmospheric CO2.

soil moisture (REW).

air temperature (T).

the total leaf area (LAI).

photosynthetically active solar radiation (PAR).

Score 1 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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False

Plant closes its stomata to avoid losing too much water.

Score 1 of 1

Question:

True/false question

Plant respiration captures CO2.

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Response:

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False

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

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:

Multiple choice question

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

Soil water

Soil nutrients

Solar radiation

Atmospheric CO2

Response:

Solar radiation

Soil nutrients

Soil water

Atmospheric CO2