Question 1

Light energy is converted into chemical energy through the process of

Accepted Answer

photosynthesis.

Answer

glycolysis.

Answer

cellular respiration.

Answer

fermentation.

Question 2

Organisms that are not autotrophs

Accepted Answer

consume other organisms to get energy.

Answer

perform photosynthesis.

Answer

get energy from inorganic molecules.

Answer

can survive without energy.

Question 3

As light intensity increases, the rate of photosynthesis

Accepted Answer

increases until the light saturation point is reached.

Answer

decreases until the light saturation point is reached.

Answer

increases indefinitely.

Answer

decreases indefinitely.

Question 4

ATP is composed of a nitrogenous base, a sugar, and

Accepted Answer

three phosphate groups.

Answer

two phosphate groups.

Answer

one phosphate group.

Answer

four phosphate groups.

Question 5

Chlorophyll is green because

Accepted Answer

it reflects green wavelengths of light.

Answer

it absorbs green wavelengths of light.

Answer

of an optical illusion caused by transmitted light.

Answer

it absorbs blue & yellow wavelengths, making it green.

Question 6

Low temperatures may cause photosynthesis to occur

Accepted Answer

more slowly.

Answer

only in the sunlight.

Answer

at a constant rate.

Answer

more quickly.

Question 7

The ultimate source of energy for all life on Earth is the

Accepted Answer

sun.

Answer

ocean.

Answer

plants.

Answer

moon.

Question 8

ATP synthase acts as both an enzyme and as a carrier protein for __ ions.

Accepted Answer

hydrogen

Answer

oxygen

Answer

carbon

Answer

nitrogen

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