Question 1

The diagram illustrates photosynthesis in a plant.  What form of energy is taken in by the leaf?

Accepted Answer

radiant (light)

Answer

chemical

Answer

electrical

Answer

heat

Question 2

Which diagram best shows photosynthesis; the energy transformation from sunlight to chemical energy in an organism?

Accepted Answer

B

Answer

D

Answer

C

Answer

A

Question 3

Which substance in the equation above represents the food energy made by plants?

Accepted Answer

glucose

Answer

oxygen

Answer

water

Answer

carbon dioxide

Question 4

The equation above shows photosynthesis in a plant, during which light energy is transformed into…?

Accepted Answer

chemical

Answer

hydropower

Answer

thermal

Answer

electrical

Question 5

Plants are an organic compound because

Accepted Answer

they contain elements carbon, hydrogen, and other elements such as oxygen, phosphorus, nitrogen or sulfur.

Answer

they contain two or more elements that don’t include carbon.

Answer

they have 24 atoms

Question 6

The use of energy from sunlight to convert water and carbon dioxide to sugar is called

Accepted Answer

photosynthesis

Answer

meditation

Answer

condensation

Answer

precipitation

Question 7

In addition to water and carbon dioxide, photosynthesis requires

Accepted Answer

light and chlorophyll

Answer

chlorophyll and oxygen

Answer

chlorophyll and dirt

Answer

light and sugar

Question 8

Chlorophyll is a

Accepted Answer

green pigment

Answer

blue pigment

Answer

red pigment

Answer

yellow pigment

Question 9

The products of photosynthesis are

Accepted Answer

sugar and oxygen

Answer

sugar and carbon dioxide

Answer

hydrogen and oxygen

Answer

water and carbon dioxide

Question 10

The reactants in photosynthesis are

Accepted Answer

carbon dioxide and water

Answer

oxygen and water

Answer

carbon dioxide and glucose

Answer

sugar and oxygen

Question 11

The sugar (glucose) that is made during photosynthesis for the plant has what kind of stored energy in it?

Accepted Answer

chemical

Answer

electrical

Answer

light

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