Simple quiz

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Pisteet yhteensä: 40 %

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Tulos 1 / 1

Kysymys:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to shortage of soil moisture.

exposure to excess of light.

exposure to excess of CO2.

exposure to high temperature.

Vastaus:

exposure to excess of light.

exposure to excess of CO2.

exposure to high temperature.

exposure to shortage of soil moisture.

Tulos 1 / 1

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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Vastaus:

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Tulos 1 / 1

Kysymys:

True/false question

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

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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

The rate of respiration decreases with temperature.

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Vastaus:

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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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Vastaus:

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Kysymys:

True/false question

Plant respiration captures CO2.

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Vastaus:

Käyttäjän vastausFeedback
Väärin

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

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(skipped)

Kysymys:

True/false question

High soil moisture leads to decreased photosynthesis.

Answer hidden

Vastaus:

Käyttäjän vastausFeedback

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

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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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Vastaus:

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Tulos 1 / 1

Kysymys:

Multiple choice question

As plants respire, they release

oxygen.

carbon dioxide.

Vastaus:

oxygen.

carbon dioxide.

Tulos 0 / 1

Kysymys:

Multiple choice question

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

atmospheric oxygen.

soil heat.

sun light.

soil nutrients.

Vastaus:

atmospheric oxygen.

soil heat.

soil nutrients.

sun light.

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Kysymys:

True/false question

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

Answer hidden

Vastaus:

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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

The annual cycle of photosynthesis mainly follows

the changes in CO2 concentration.

the changes in air temperature.

the changes in light.

the changes in soil temperature.

Vastaus:

the changes in light.

the changes in air temperature.

the changes in soil temperature.

the changes in CO2 concentration.

Tulos 0 / 1

Kysymys:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

soil moisture (REW).

photosynthetically active solar radiation (PAR).

atmospheric CO2.

air temperature (T).

the total leaf area (LAI).

air humidity (VPD).

Vastaus:

air humidity (VPD).

the total leaf area (LAI).

soil moisture (REW).

atmospheric CO2.

air temperature (T).

photosynthetically active solar radiation (PAR).