Simple quiz

You got 9 of 15 possible points.
Your score was: 60 %

Question Results

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 0 of 1

Question:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

atmospheric CO2.

air humidity (VPD).

photosynthetically active solar radiation (PAR).

the total leaf area (LAI).

air temperature (T).

soil moisture (REW).

Response:

air humidity (VPD).

atmospheric CO2.

photosynthetically active solar radiation (PAR).

the total leaf area (LAI).

air temperature (T).

soil moisture (REW).

Score 1 of 1

Question:

True/false question

Plants open its stomata to avoid losing too much water.

Answer hidden

Response:

User answerFeedback
False

Plant closes its stomata to avoid losing too much water.

Score 1 of 1

Question:

True/false question

High soil moisture leads to decreased photosynthesis.

Answer hidden

Response:

User answerFeedback
False

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?

Atmospheric CO2

Solar radiation

Soil nutrients

Soil water

Response:

Soil water

Soil nutrients

Atmospheric CO2

Solar radiation

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 0 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
False
Score 1 of 1

Question:

True/false question

The rate of respiration decreases with temperature.

Answer hidden

Response:

User answer
False
Score 1 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of CO2.

exposure to shortage of soil moisture.

exposure to excess of light.

exposure to high temperature.

Response:

exposure to excess of light.

exposure to excess of CO2.

exposure to high temperature.

exposure to shortage of soil moisture.

Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answerFeedback
False

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

Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
True
Score 0 of 1

Question:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in air temperature.

the changes in light.

the changes in CO2 concentration.

the changes in soil temperature.

Response:

the changes in light.

the changes in soil temperature.

the changes in air temperature.

the changes in CO2 concentration.

Score 0 of 1

Question:

Multiple choice question

As plants respire, they release

carbon dioxide.

oxygen.

Response:

carbon dioxide.

oxygen.

Feedback:

Photosynthesis releases oxygen whereas respiration releases CO2.

Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
True
Score 0 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
False