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Score 1 of 1

Question:

True/false question

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

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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

Eftersom koldioxid kommer in i växten genom klyvöppningarna går assimilationen långsammare då klyvöppningarna tillsluts.

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Response:

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True
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:

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True
Score 1 of 1

Question:

True/false question

In trees, approximately half of the carbon bound in photosynthesis is used for construction of new biomass.

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Response:

User answer
True
Score 1 of 1

Question:

True/false question

The air is moist if VPD (Vapour Pressure Deficit) is high.

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Response:

User answer
False
Score 1 of 1

Question:

Multiple choice question

"Stage of acclimation" refers to the seasonality of

the growth activity.

the litter fall activity.

the flowering activity.

the photosynthetic activity.

Response:

the litter fall activity.

the growth activity.

the flowering activity.

the photosynthetic activity.

Score 1 of 1

Question:

True/false question

REW stands for "Relative Extractable Water"

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Response:

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True
Score 1 of 1

Question:

Multiple choice question

Respiration is a cellular process to obtain chemical energy from

the oxidation of plant tissues.

the oxidation of water.

the oxidation soil nutrients.

the oxidation of organic molecules.

Response:

the oxidation of organic molecules.

the oxidation of plant tissues.

the oxidation soil nutrients.

the oxidation of water.

Score 1 of 1

Question:

True/false question

As VPD increases, photosynthesis decreases due to the closure of the stomata.

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Response:

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True
Score 1 of 1

Question:

True/false question

Då VPD ökar blir assimilationen långsammare eftersom växten tillsluter sina klyvöppningar.

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Response:

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True
Score 1 of 1

Question:

Multiple choice question

Photosynthesis shuts down if the temperature of previous night has been lower than

-10 celsius.

0 celsius.

5 celsius.

-5 celsius.

Response:

-5 celsius.

-10 celsius.

0 celsius.

5 celsius.

Score 1 of 1

Question:

True/false question

The stage of acclimation at any given day depends on the temperatures experienced by the plant during the previous months.

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Response:

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False

The stage of acclimation at any given day depends on the temperatures experienced by the plant during the previous days.

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:

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True
Score 1 of 1

Question:

True/false question

High soil moisture leads to decreased photosynthesis.

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Response:

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False

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

Score 1 of 1

Question:

True/false question

Plants open its stomata to avoid losing too much water.

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Response:

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False

Plant closes its stomata to avoid losing too much water.