Simple quiz

You got 10 of 15 possible points.
Your score was: 67 %

Question Results

Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

When there is low soil moisture, plants close its stomata pores which then decreases photosynthesis.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True
Score 0 of 1

Question:

True/false question

Plant respiration captures CO2.

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Response:

User answerFeedback
True

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

Score 0 of 1

Question:

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.

Response:

exposure to excess of CO2.

exposure to excess of light.

exposure to high temperature.

exposure to shortage of soil moisture.

Score 1 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

air temperature (T).

atmospheric CO2.

soil moisture (REW).

the total leaf area (LAI).

photosynthetically active solar radiation (PAR).

air humidity (VPD).

Response:

soil moisture (REW).

photosynthetically active solar radiation (PAR).

air temperature (T).

the total leaf area (LAI).

air humidity (VPD).

atmospheric CO2.

Score 0 of 1

Question:

True/false question

High soil moisture leads to decreased photosynthesis.

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Response:

User answerFeedback
True

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

Score 1 of 1

Question:

Multiple choice question

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

Solar radiation

Soil nutrients

Atmospheric CO2

Soil water

Response:

Soil water

Solar radiation

Soil nutrients

Atmospheric CO2

Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True
Score 1 of 1

Question:

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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Response:

User answer
True
Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True
Score 0 of 1

Question:

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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Response:

User answer
False
Score 1 of 1

Question:

True/false question

Plants open its stomata to avoid losing too much water.

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Response:

User answerFeedback
False

Plant closes its stomata to avoid losing too much water.

Score 0 of 1

Question:

Multiple choice question

As plants respire, they release

oxygen.

carbon dioxide.

Response:

oxygen.

Feedback:

Photosynthesis releases oxygen whereas respiration releases CO2.

carbon dioxide.

Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True