Simple quiz

Käyttäjä sai pisteitä 9 / 15
Pisteet yhteensä: 60 %

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Tulos 1 / 1

Kysymys:

True/false question

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

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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

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

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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

Plants open its stomata to avoid losing too much water.

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Vastaus:

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Väärin

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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(skipped)

Kysymys:

True/false question

Leaf area increases with stand age, resulting in a decreasing rate of photosynthesis in the stand.

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Vastaus:

Käyttäjän vastausFeedback

An increment in leaf area increases also the photosynthesis of a tree stand. However, the relationship is saturating.

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Kysymys:

Multiple choice question

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

atmospheric oxygen.

sun light.

soil nutrients.

soil heat.

Vastaus:

soil nutrients.

soil heat.

sun light.

atmospheric oxygen.

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Kysymys:

True/false question

Transpiration decreases as air becomes drier.

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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

The annual cycle of photosynthesis mainly follows

the changes in air temperature.

the changes in CO2 concentration.

the changes in soil temperature.

the changes in light.

Vastaus:

the changes in light.

the changes in soil temperature.

the changes in CO2 concentration.

the changes in air temperature.

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Kysymys:

Multiple choice question

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

Atmospheric CO2

Soil nutrients

Solar radiation

Soil water

Vastaus:

Soil water

Solar radiation

Soil nutrients

Atmospheric CO2

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Kysymys:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of CO2.

exposure to shortage of soil moisture.

exposure to high temperature.

exposure to excess of light.

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

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

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Kysymys:

True/false question

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

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