Question 1

Why is it necessary to have  in this equation?

Accepted Answer

The process cannot occur without energy from the Sun.

Answer

The arrow tells the equation to yield.

Answer

The arrow represents the specific direction of sunlight.

Answer

Sunlight uses carbon dioxide and water to form sugar.

Question 2

What happens to the solar energy absorbed by plants during photosynthesis?

Accepted Answer

It is transformed into chemical energy.

Answer

It is converted into oxygen and glucose.

Answer

It is stored as heat within the plant for cellular functions.

Answer

It is recycled by the plant and returned to the atmosphere.

Question 3

Which of these converts light energy to chemical energy?

Accepted Answer

the leaf of a plant

Answer

the battery of a  flashlight

Answer

the bulb of a lamp

Answer

the screen of a computer

Question 4

Which of the following is NOT correct about plant cells found in plant leaves?

Accepted Answer

They consume other organisms for food.

Answer

They absorb sunlight for energy.

Answer

They make sugar in the form of glucose.

Answer

They take in carbon dioxide.

Question 5

Photosynthesis uses raw materials for converting radiant energy into a more usable form. What is the usable form of energy produced by this process?

Accepted Answer

Glucose, a form of chemical energy.

Answer

Carbon dioxide, a form of thermal energy

Answer

Oxygen, a form electrical energy

Answer

Cellulose, a form of electrical energy.

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