Advanced quiz

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

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Score 1 of 1

Question:

True/false question

REW stands for "Relative Extractable Water"

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Response:

User answer
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:

User answer
True
Score 0 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:

User answer
False
Score 0 of 1

Question:

Multiple choice question

Photosynthesis of a shoot can be measured by enclosing it within a chamber and following the change of

carbon dioxide concentration in the air of this chamber.

air temperature in this chamber.

water vapour concentration in the air of this chamber.

PAR radiation next to the chamber.

Response:

water vapour concentration in the air of this chamber.

PAR radiation next to the chamber.

carbon dioxide concentration in the air of this chamber.

air temperature in this chamber.

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 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:

Multiple choice question

"Stage of acclimation" refers to the seasonality of

the litter fall activity.

the flowering activity.

the photosynthetic activity.

the growth activity.

Response:

the litter fall activity.

the growth activity.

the flowering activity.

the photosynthetic activity.

Score 1 of 1

Question:

Multiple choice question

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

-5 celsius.

-10 celsius.

0 celsius.

5 celsius.

Response:

-5 celsius.

5 celsius.

-10 celsius.

0 celsius.

Score 1 of 1

Question:

True/false question

Since stomata are the same pores through which carbon dioxide enters into the leaves, the result of their closure is a reduction in photosynthesis.

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Response:

User answer
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

High soil moisture leads to decreased photosynthesis.

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Response:

User answerFeedback
False

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

Score -1 of 1

Question:

Multiple choice question

Låga växter, mikroberna i marken och markens funktioner i allmänhet drar under vintern nytta av.
Välj ett alternative.

trädens långsammare aktivitet

snöns isolerande inverkan

den ringa mängden solljus

de låga temperaturerna

Response:

den ringa mängden solljus

trädens långsammare aktivitet

de låga temperaturerna

snöns isolerande inverkan

Score 1 of 1

Question:

Multiple choice question

Respiration is a cellular process to obtain chemical energy from

the oxidation soil nutrients.

the oxidation of organic molecules.

the oxidation of water.

the oxidation of plant tissues.

Response:

the oxidation of organic molecules.

the oxidation of water.

the oxidation soil nutrients.

the oxidation of plant tissues.

Score 0 of 1

Question:

True/false question

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

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Response:

User answer
False
Score 1 of 1

Question:

True/false question

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

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Response:

User answer
True