Simple quiz

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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:

Multiple choice question

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

Solar radiation

Soil water

Soil nutrients

Atmospheric CO2

Vastaus:

Atmospheric CO2

Solar radiation

Soil nutrients

Soil water

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Kysymys:

Multiple choice question

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

soil heat.

soil nutrients.

sun light.

atmospheric oxygen.

Vastaus:

soil heat.

soil nutrients.

atmospheric oxygen.

sun light.

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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:

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 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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Kysymys:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to shortage of soil moisture.

exposure to high temperature.

exposure to excess of CO2.

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

At low air humidity, a plant closes its stomata to prevent transpiration. The action also decreases photosynthesis

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Kysymys:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

photosynthetically active solar radiation (PAR).

soil moisture (REW).

air humidity (VPD).

the total leaf area (LAI).

atmospheric CO2.

air temperature (T).

Vastaus:

photosynthetically active solar radiation (PAR).

air humidity (VPD).

atmospheric CO2.

soil moisture (REW).

the total leaf area (LAI).

air temperature (T).

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Kysymys:

True/false question

Transpiration decreases as air becomes drier.

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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

The rate of respiration decreases with temperature.

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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:

True/false question

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

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Kysymys:

True/false question

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

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