Advanced quiz

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Your score was: 73 %

Question Results

Score 1 of 1

Question:

Multiple choice question

"Stage of acclimation" refers to the seasonality of

the photosynthetic activity.

the flowering activity.

the growth activity.

the litter fall activity.

Response:

the photosynthetic activity.

the growth activity.

the litter fall activity.

the flowering activity.

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 0 of 1

Question:

Multiple choice question

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

0 celsius.

5 celsius.

-10 celsius.

-5 celsius.

Response:

5 celsius.

-5 celsius.

0 celsius.

-10 celsius.

Score 0 of 1
(skipped)

Question:

Multiple choice question

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

snöns isolerande inverkan

den ringa mängden solljus

trädens långsammare aktivitet

de låga temperaturerna

Response:

snöns isolerande inverkan

trädens långsammare aktivitet

den ringa mängden solljus

de låga temperaturerna

Score 1 of 1

Question:

Multiple choice question

Respiration is a cellular process to obtain chemical energy from

the oxidation of organic molecules.

the oxidation of water.

the oxidation soil nutrients.

the oxidation of plant tissues.

Response:

the oxidation soil nutrients.

the oxidation of water.

the oxidation of plant tissues.

the oxidation of organic molecules.

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

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

Answer hidden

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

water vapour concentration in the air of this chamber.

air temperature in this chamber.

PAR radiation next to the chamber.

carbon dioxide concentration in the air of this chamber.

Response:

PAR radiation next to the chamber.

carbon dioxide concentration in the air of this chamber.

water vapour concentration in the air of this chamber.

air temperature in this chamber.

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.

Answer hidden

Response:

User answer
True
Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
False
Score 0 of 1
(skipped)

Question:

True/false question

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

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Response:

User answer
Score 1 of 1

Question:

True/false question

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

Answer hidden

Response:

User answer
True
Score 1 of 1

Question:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to high temperature.

exposure to shortage of soil moisture.

exposure to excess of CO2.

exposure to excess of light.

Response:

exposure to shortage of soil moisture.

exposure to excess of light.

exposure to high temperature.

exposure to excess of CO2.

Score 0 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
True

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

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.