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Review Unit Test 3- Comp science

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Living things that are able to do the process of photosynthesis are called

a)

consumers

b)

producers

2.

What is the reaction of photosynthesis?

a)

sunlight + water + oxygen -----------> carbon dioxide + glucose

b)

sunlight + water + carbon dioxide--------> oxygen + glucose

c)

oxygen + glucose --------------------> sunlight + water + oxygen

d)

carbon dioxide + glucose -----------> sunlight + water + oxygen

3.

Which organisms can do photosynthesis

a)

Humans

b)

Animals

c)

Plants

4.

In which organelle does photosynthesis takes place

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

Cell membrane

5.

What are the reactants of photosynthesis?

a)

carbon dioxide and water

b)

carbon dioxide and oxygen

c)

glucose and oxygen

d)

glucose and water

6.

What is cellular respiration?

a)

the process through which green plants use sunlight energy with carbon dioxide and water to make their own food.

b)

the process through which cells convert sugars into energy.

c)

None of the above

7.

What is the reaction of cellular respiration?

a)

oxygen + glucose--------> carbon dioxide + water_ Energy (ATP)

b)

carbon dioxide + glucose --------> oxygen + water + Energy (ATP)

8.

In which organelle does cellular respiration takes place?

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

Cell Membrane

9.

Select the organisms that are able to do cellular respiration.

a)

plants

b)

bacteria

c)

animals

d)

humans

10.

What are the organelles that are present in a plant cell and not in an animal cell ?

a)

Nucleus, Mitochondria

b)

Nucleus, Mitochondria, Chloroplast

c)

Chloroplast, Cell wall, Nucleus

d)

Chloroplast, Cell wall, Large central vacuole

11.

Which organelle is the control center of the cell?

a)

Nucleus

b)

cell membrane

c)

chloroplast

d)

vacuole

12.

In the carbon cycle, which process represent the green plants taking up carbon dioxide and sunlight energy to produce their own food?

a)

Decay of deadly organisms

b)

Animal Respiration

c)

Photosynthesis

d)

Plant respiration

13.

True or false: In the carbon cycle, carbon is represented in different forms but the amount of carbon remains the same.

a)

True

b)

False

14.

Do tomatoes grow fastest under fluorescent, incandescent, or natural light?

In this question, what would be the independent variable (test variable)

a)

The type of light the tomato plant is grown under (fluorescent, incandescent, natural)

b)

The rate of growth of the tomato plant