Simple quiz

Käyttäjä sai pisteitä 8 / 15
Pisteet yhteensä: 53 %

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Kysymys:

True/false question

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

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Vastaus:

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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:

Multiple choice question

As plants respire, they release

oxygen.

carbon dioxide.

Vastaus:

oxygen.

Palaute:

Photosynthesis releases oxygen whereas respiration releases CO2.

carbon dioxide.

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Kysymys:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of light.

exposure to excess of CO2.

exposure to high temperature.

exposure to shortage of soil moisture.

Vastaus:

exposure to excess of CO2.

exposure to high temperature.

exposure to excess of light.

exposure to shortage of soil moisture.

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Kysymys:

True/false question

Plant respiration captures CO2.

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Vastaus:

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

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Kysymys:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in CO2 concentration.

the changes in light.

the changes in air temperature.

the changes in soil temperature.

Vastaus:

the changes in soil temperature.

the changes in light.

the changes in air temperature.

the changes in CO2 concentration.

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Kysymys:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

photosynthetically active solar radiation (PAR).

atmospheric CO2.

soil moisture (REW).

air humidity (VPD).

the total leaf area (LAI).

air temperature (T).

Vastaus:

atmospheric CO2.

photosynthetically active solar radiation (PAR).

air humidity (VPD).

the total leaf area (LAI).

soil moisture (REW).

air temperature (T).

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Kysymys:

True/false question

Plants open its stomata to avoid losing too much water.

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Vastaus:

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Plant closes its stomata to avoid losing too much water.

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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

Transpiration decreases as air becomes drier.

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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:

Solar radiation

Atmospheric CO2

Soil water

Soil nutrients

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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

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

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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

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

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Vastaus:

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