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Prefixes:De-, Bi-, and Com-

Total questions: 18

Worksheet time: 3mins

Name
Class
Date
1.

What does the prefix "de-" generally mean?

a)

Up

b)

Two

c)

With

d)

Down or remove

2.

Which word does NOT use the prefix "bi-" correctly?

a)

Bicycle

b)

Bilingual

c)

Bipolar

d)

Bimonthly

3.

In the word "compress," what does the prefix "com-" suggest?

a)

Together

b)

Against

c)

Without

d)

Around

4.

Which word is an antonym of "activate"?

a)

Deactivate

b)

Reactivate

c)

Proactivate

d)

Inactivate

5.

What does "bifurcate" mean?

a)

To come together

b)

To split into two

c)

To remove completely

d)

To go around

6.

How often does a "biannual" event occur?

a)

Every two years

b)

Twice a year

c)

Every month

d)

Every two months

7.

What's the best definition of "decompose"?

a)

To break down

b)

To put together

c)

To move away

d)

To change color

8.

What does "bilingual" literally mean?

a)

Speaking loudly

b)

Speaking two languages

c)

Writing in two styles

d)

Thinking twice

9.

Which word means "to put or bring together"?

a)

Decompress

b)

Combine

c)

Bifurcate

d)

Deactivate

10.

If "de-" means "down" or "away," what might "devalue" mean?

a)

To increase in value

b)

To determine the value

c)

To decrease in value

d)

To value twice as much

11.

What's the most likely meaning of "bicentennial"?

a)

Two hundred years

b)

Two thousand years

c)

Twice a century

d)

Every two years

12.

If "hydrate" means "to add water," what does "dehydrate" mean?

a)

To add more water

b)

To change water

c)

To move water

d)

To remove water

13.

Which word uses the prefix "com-" to mean "thoroughly" rather than "with"?

a)

Combine

b)

Compress

c)

Communicate

d)

Complete

14.

Which word is an example of using the prefix "de-" to mean "down" rather than "remove"?

a)

Deactivate

b)

Descend

c)

Defrost

d)

Dehydrate

15.

If "biannual" means twice a year, what would you call an event that happens every two months?

a)

Bimonthly

b)

Semimonthly

c)

Fortnightly

d)

Bimensual

16.

Which word uses the prefix "com-" in a way that doesn't mean "with" or "together"?

a)

Compile

b)

Commit

c)

Compromise

d)

Comfortable

17.

If "bifocal" refers to two focal points, what might "trifocal" refer to?

a)

Two focal points

b)

Three focal points

c)

Multiple focal points

d)

No focal points

18.

Which word is formed differently from the others in terms of its prefix?

a)

Decompose

b)

Dehydrate

c)

Decode

d)

Descend