Simple quiz

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Pisteet yhteensä: 67 %

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Kysymys:

True/false question

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

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Kysymys:

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.

Vastaus:

the changes in CO2 concentration.

the changes in light.

the changes in soil temperature.

the changes in air temperature.

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Kysymys:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to high temperature.

exposure to excess of CO2.

exposure to shortage of soil moisture.

exposure to excess of light.

Vastaus:

exposure to shortage of soil moisture.

exposure to excess of CO2.

exposure to excess of light.

exposure to high temperature.

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Kysymys:

True/false question

Plant respiration captures CO2.

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

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Kysymys:

True/false question

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

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Kysymys:

True/false question

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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Kysymys:

True/false question

Transpiration decreases as air becomes drier.

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Kysymys:

True/false question

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

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Kysymys:

True/false question

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

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Kysymys:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

soil moisture (REW).

photosynthetically active solar radiation (PAR).

atmospheric CO2.

the total leaf area (LAI).

air temperature (T).

air humidity (VPD).

Vastaus:

air temperature (T).

the total leaf area (LAI).

air humidity (VPD).

photosynthetically active solar radiation (PAR).

atmospheric CO2.

soil moisture (REW).

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Kysymys:

Multiple choice question

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

Solar radiation

Atmospheric CO2

Soil water

Soil nutrients

Vastaus:

Solar radiation

Soil water

Atmospheric CO2

Soil nutrients

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Kysymys:

True/false question

Plants open its stomata to avoid losing too much water.

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Plant closes its stomata to avoid losing too much water.

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Kysymys:

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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Kysymys:

True/false question

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

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Kysymys:

True/false question

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

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