Simple quiz

Käyttäjä sai pisteitä 8 / 15
Pisteet yhteensä: 53 %

Vastaukset

Tulos 1 / 1

Kysymys:

True/false question

Transpiration decreases as air becomes drier.

Answer hidden

Vastaus:

Käyttäjän vastaus
Väärin
Tulos 0 / 1

Kysymys:

Multiple choice question

As plants respire, they release

oxygen.

carbon dioxide.

Vastaus:

carbon dioxide.

oxygen.

Palaute:

Photosynthesis releases oxygen whereas respiration releases CO2.

Tulos 1 / 1

Kysymys:

True/false question

Almost half of the total biomass of a tree may be allocated to the roots.

Answer hidden

Vastaus:

Käyttäjän vastaus
Väärin
Tulos 0 / 1

Kysymys:

True/false question

In general, the more carbon dioxide that is available to the plant, the faster the rate of photosynthesis - if other factors are favourable.

Answer hidden

Vastaus:

Käyttäjän vastaus
Väärin
Tulos 0 / 1

Kysymys:

True/false question

Plant respiration captures CO2.

Answer hidden

Vastaus:

Käyttäjän vastausFeedback
Oikein

Unlike photosynhesis, plant respiration captures atmospheric oxygen and releases carbon dioxide.

Tulos 1 / 1

Kysymys:

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.

Answer hidden

Vastaus:

Käyttäjän vastaus
Oikein
Tulos 1 / 1

Kysymys:

True/false question

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

Answer hidden

Vastaus:

Käyttäjän vastaus
Oikein
Tulos 1 / 1

Kysymys:

True/false question

Plants open its stomata to avoid losing too much water.

Answer hidden

Vastaus:

Käyttäjän vastausFeedback
Väärin

Plant closes its stomata to avoid losing too much water.

Tulos 1 / 1

Kysymys:

True/false question

High soil moisture leads to decreased photosynthesis.

Answer hidden

Vastaus:

Käyttäjän vastausFeedback
Väärin

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

Tulos 0 / 1

Kysymys:

True/false question

The rate of respiration decreases with temperature.

Answer hidden

Vastaus:

Käyttäjän vastaus
Oikein
Tulos 0 / 1

Kysymys:

Multiple choice question

Photosynthesis of a tree canopy is driven or influenced by

air temperature (T).

air humidity (VPD).

soil moisture (REW).

photosynthetically active solar radiation (PAR).

the total leaf area (LAI).

atmospheric CO2.

Vastaus:

air temperature (T).

atmospheric CO2.

photosynthetically active solar radiation (PAR).

soil moisture (REW).

the total leaf area (LAI).

air humidity (VPD).

Tulos 0 / 1

Kysymys:

Multiple choice question

The annual cycle of photosynthesis mainly follows

the changes in CO2 concentration.

the changes in light.

the changes in soil temperature.

the changes in air temperature.

Vastaus:

the changes in CO2 concentration.

the changes in soil temperature.

the changes in light.

the changes in air temperature.

Tulos 1 / 1

Kysymys:

True/false question

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

Answer hidden

Vastaus:

Käyttäjän vastaus
Oikein
Tulos 1 / 1

Kysymys:

Multiple choice question

To transform atmospheric CO2 into organic molecules, plants can use the energy from

sun light.

atmospheric oxygen.

soil heat.

soil nutrients.

Vastaus:

atmospheric oxygen.

soil nutrients.

sun light.

soil heat.

Tulos 0 / 1

Kysymys:

Multiple choice question

Photoinhibition means the decrease in photosynthesis due to

exposure to high temperature.

exposure to excess of CO2.

exposure to shortage of soil moisture.

exposure to excess of light.

Vastaus:

exposure to excess of CO2

exposure to high temperature

exposure to shortage of soil moisture

exposure to excess of light