Simple quiz

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

Question Results

Score 1 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

air temperature (T).

the total leaf area (LAI).

atmospheric CO2.

soil moisture (REW).

air humidity (VPD).

photosynthetically active solar radiation (PAR).

Response:

air temperature (T).

the total leaf area (LAI).

soil moisture (REW).

air humidity (VPD).

photosynthetically active solar radiation (PAR).

atmospheric CO2.

Score 1 of 1

Question:

Multiple choice question

As plants respire, they release

carbon dioxide.

oxygen.

Response:

oxygen.

carbon dioxide.

Score 0 of 1

Question:

True/false question

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

Answer hidden

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.

Answer hidden

Response:

User answer
True
Score 1 of 1

Question:

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.

Answer hidden

Response:

User answer
True
Score 0 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of CO2.

exposure to excess of light.

exposure to shortage of soil moisture.

exposure to high temperature.

Response:

exposure to shortage of soil moisture.

exposure to high temperature.

exposure to excess of light.

exposure to excess of CO2.

Score 0 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.

Answer hidden

Response:

User answer
False
Score 1 of 1

Question:

Multiple choice question

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

sun light.

atmospheric oxygen.

soil nutrients.

soil heat.

Response:

soil nutrients.

soil heat.

atmospheric oxygen.

sun light.

Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
True
Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
True
Score 0 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
False
Score 1 of 1

Question:

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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Response:

User answer
True
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 0 of 1

Question:

True/false question

Transpiration decreases as air becomes drier.

Answer hidden

Response:

User answer
True
Score 1 of 1

Question:

True/false question

Plant respiration captures CO2.

Answer hidden

Response:

User answerFeedback
False

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