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Quiz on Photosynthesis

Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. Credit: KPG_Payless | Shutterstock. Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy. b

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Quiz Questions And Answers

In photosynthesis dark reaction, is called so because-

It occurs in dark.
It does not require light energy.
It cannot occur during daytime.

Rate of photosynthesis does not depend upon:

Quality of light
Intensity of Light
Duration of Light

Photosynthesis is a _____ process.

Catabolic
Anabolic
Exothermic

Name the pigment which is responsible for absorption of light in plants?

Chlorophyll
Stomata
Xylem

In bacteria name the colour of light which is responsible for photosynthesis?

Ultra-Violet
Blue
Red

Quantasomes are found in:

Cristae of mitochondria
Thylakoid membrane of chloroplasts
Nucleus membrane

Name the metal present in chlorophyll ‘a’ and ‘b’?

Iron
Copper
Magnesium

Name the structural unit of photosynthesis?

Thylakoid
Grana
Stroma

Which of the following statements are true regarding Photosystems?

Photosystem are arrangements of chlorophyll and other pigments packed into thylakoids.
Many Prokaryotes have only one photosystem.
Both A and B are correct.

Where does most of a plant's biomass come from?

from the soil
from carbon dioxide from the air and water from the soil
from nutrients in the soil

At midday, what is happening in the leaf of a plant?

Respiration
Photosynthesis
Mainly photosynthesis and some respiration

At midnight, what is happening in the leaf of a plant?

Respiration
Photosynthesis
Photosynthesis and respiration

In which organisms does photosynthesis happen?

Plants
Animals
Plants and animals

Which of the following need oxygen to survive?

Plants
Animals
Both plants and animals

The end product(s) of photosynthesis in plants are oxygen plus:

Starch
Glucose
Starch and Glucose
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