Simple quiz

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Kysymys:

True/false question

Early spring is a tricky time for plants due to the combination of sunny but still quite cold days.

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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

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:

True/false question

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

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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

Transpiration decreases as air becomes drier.

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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 high temperature.

exposure to excess of CO2.

exposure to excess of light.

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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:

True/false question

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

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Kysymys:

Multiple choice question

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

soil nutrients.

soil heat.

sun light.

atmospheric oxygen.

Vastaus:

soil heat.

soil nutrients.

sun light.

atmospheric oxygen.

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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:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

soil moisture (REW).

the total leaf area (LAI).

atmospheric CO2.

air humidity (VPD).

photosynthetically active solar radiation (PAR).

air temperature (T).

Vastaus:

air humidity (VPD).

atmospheric CO2.

soil moisture (REW).

air temperature (T).

the total leaf area (LAI).

photosynthetically active solar radiation (PAR).

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Kysymys:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in soil temperature.

the changes in air temperature.

the changes in light.

the changes in CO2 concentration.

Vastaus:

the changes in air temperature.

the changes in light.

the changes in soil temperature.

the changes in CO2 concentration.

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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

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

Solar radiation

Soil nutrients

Atmospheric CO2

Soil water

Vastaus:

Solar radiation

Soil water

Soil nutrients

Atmospheric CO2