C 1.3 Photosynthesis

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Multiple Choice Quiz

What is a feature of shorter wavelength visible radiation? *

1 point

A. It includes violet light.

B. It has less energy per photon than longer wavelengths.

C. It is absorbed by greenhouse gases.

D. It is reflected by chlorophyll.

How does chlorophyll respond to the red, green and blue wavelengths in white light? *

1 point

What happens in both respiration and photosynthesis? *

1 point

A. Triose phosphates are decarboxylated.

B. NADPH is produced.

C. ATP is produced.

D. Electrons pass through ATP synthase.

What is light energy used for in photolysis? *

1 point

A. Formation of hydrogen and oxygen

B. Formation of carbon dioxide only

C. Formation of ATP and glucose

D. Formation of oxygen only

What is the source of the oxygen released into the atmosphere in photosynthesis? *

1 point

A. Glucose

B. Carbon dioxide

C. Chlorophyll

D. Water

What is the relative wavelength in the visible spectrum of red light and blue light and are these colours absorbed or reflected by chlorophyll? *

1 point

Which type of light is least useful for photosynthesis in terrestrial plants? *

1 point

A. Blue

B. Green

C. White

D. Red

How can the rate of photosynthesis be measured? *

1 point

A. I only

B. I and II only

C. I and III only

D. I, II and III

How is oxygen produced during photosynthesis? *

1 point

A. Water molecules are split with energy from ATP.

B. Water molecules are split with energy from light.

C. Carbon dioxide molecules are split with energy from ATP.

D. Carbon dioxide molecules are split with energy from light.

An experiment was set up so that each test tube contained water at a pH of 6.3 and a pH indicator. Test tubes 1 and 2 also contained a common pond autotroph. Carbon dioxide dissolves in water and forms carbonic acid. After three days the four test tubes were found to have these results. *

1 point

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