Advanced quiz

You got 13 of 15 possible points.
Your score was: 87 %

Question Results

Score 1 of 1

Question:

Multiple choice question

Respiration is a cellular process to obtain chemical energy from

the oxidation of water.

the oxidation soil nutrients.

the oxidation of plant tissues.

the oxidation of organic molecules.

Response:

the oxidation of organic molecules.

the oxidation of plant tissues.

the oxidation of water.

the oxidation soil nutrients.

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:

User answer
True
Score 1 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to excess of CO2.

exposure to high temperature.

exposure to excess of light.

exposure to shortage of soil moisture.

Response:

exposure to excess of light.

exposure to shortage of soil moisture.

exposure to high temperature.

exposure to excess of CO2.

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:

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

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

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

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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:

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

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Response:

User answerFeedback
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

REW stands for "Relative Extractable Water"

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Response:

User answer
True
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:

User answer
True
Score 1 of 1

Question:

Multiple choice question

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

air temperature in this chamber.

water vapour concentration in the air of this chamber.

PAR radiation next to the chamber.

carbon dioxide concentration in the air of this chamber.

Response:

air temperature in this chamber.

water vapour concentration in the air of this chamber.

carbon dioxide concentration in the air of this chamber.

PAR radiation next to the chamber.

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:

Multiple choice question

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

den ringa mängden solljus

snöns isolerande inverkan

de låga temperaturerna

trädens långsammare aktivitet

Response:

snöns isolerande inverkan

trädens långsammare aktivitet

den ringa mängden solljus

de låga temperaturerna