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Photosynthesis

Total questions: 18

Worksheet time: 18mins

Name
Class
Date
1.

We benefit from photosynthesis by getting

a)

just oxygen.

b)

oxygen and sugar.

c)

just sugar.

d)

water and oxygen.

2.

The name of the sugar produced in photosynthesis is called

a)

carbon dioxide.

b)

glucose.

c)

water.

d)

oxygen.

3.

Glucose is used in Cellular Respiration to produce ______.

a)

ATP, a high energy molecule.

b)

ATP, a low energy molecule.

c)

ATP, a sugar.

d)

HGH, a human growth hormone.

4.

ATP is ______ for cells to carry out their cellular activities.

a)

not needed

b)

not significant

c)

critical

5.

The chemical reaction for photosynthesis

a)

uses sugar to make ATP.

b)

requires oxygen to make glucose.

c)

breaks down sugar into carbon dioxide and oxygen.

d)

requires carbon dioxide, water and light energy to make glucose.

6.

On the left side of the chemical equation are the

a)

reactants.

b)

products.

7.

In photosynthesis, the ___________ are important because they are the chemicals necessary for plants to carry out the reaction.

a)

reactants

b)

products

8.

The products are found on the ______ side of the chemical equation.

a)

left

b)

right

9.

Photosynthesis occurs in the ________.

a)

mitochondria of the plant cell.

b)

mitochondria of the animal cell.

c)

chloroplasts of the plant cell.

d)

chloroplasts of the animal cell.

10.

A pigment that plants use to absorb light energy is

a)

melanin.

b)

oxytocin.

c)

chlorophyll.

d)

chloroplast.

11.

Chloroplasts are not found in

a)

plant cells.

b)

animal cells.

12.

Which statement is true?

a)

plants and animals are consumers.

b)

animals are producers, plants are consumers

c)

animals and plants are producers.

d)

animals are consumers, plants are producers.

13.

If carbon dioxide is removed from a plant's environment, what would you expect would happen to the plant's production of sugar?

a)

More sugar would be produced.

b)

No sugar would be produced.

c)

The same number of sugars would be produced but without carbon dioxide.

d)

Carbon dioxide does not affect the production of sugars in the plant.

14.

If a plant and a burning candle are placed under a bell jar, the candle will burn because the plant gives off ___

a)

carbon dioxide.

b)

water vapor.

c)

chlorine gas.

d)

oxygen.

15.

Which region of the light spectrum is not absorbed well by chlorophyll?

a)

Blue

b)

Violet

c)

Green

d)

Red

16.

Plants are __________________ because they supply the food for animals.

a)

producers

b)

carnivores

c)

consumers

d)

heterotrophs

17.

What are the reactants in the chemical equation for Cellular Respiration?

a)

oxygen and lactic acid

b)

carbon dioxide and water

c)

glucose and oxygen

d)

glucose and carbon dioxide

18.

A student is collecting a gas given off from a plant in bright sunlight. The gas being collected is probably ________________________.

a)

oxygen.

b)

carbon dioxide

c)

ATP.

d)

vaporized water.