Name: 
 

Adjective Clauses - Exercise 1



Multiple Choice
For sentence completion, choose the answer that correctly completes the sentence. For error identification, choose the underlined portion of the sentence that is not correct.
 

 1. 

Most folk songs are ballads ___ have simple words and tell simple stories.
A.
what
C.
who
B.
although
D.
that
 

 2. 

After its introduction in 1969, the float process ___ the world’s principal method of manufacturing flat sheets of glass.
A.
by which it became
C.
became
B.
it became
D.
which became
 

 3. 

Dolphins lack vocal chords, but they have a large, oil-filled organ called the “melon” which with they can produce a wide variety of sounds.
A.
lack
C.
which with
B.
oil-filled
D.
they can
 

 4. 

In 1850 Yale University established Sheffield Scientific School, ___.
A.
engineers were educated there
C.
in which were engineers educated
B.
where engineers were educated
D.
where were engineers educated
 

 5. 

There are thousands of kinds of bacteria, many of whom are beneficial.
A.
thousands
C.
whom
B.
many
D.
beneficial
 

 6. 

The Ringling Brothers were five brothers which built a small group of performers into the world’s largest circus.
A.
which
C.
the world’s
B.
performers
D.
largest
 

 7. 

Most beans ___ are a form of kidney bean.
A.
that are cultivated in the United States
C.
are cultivated in the United States they
B.
their cultivation in the United States
D.
they are cultivated in the United States
 

 8. 

In addition to being a naturalist, Stewart E. White was a writer ___ the struggle for survival on the American frontier.
A.
whose novels describe
C.
his novels describe
B.
he describes in his novels
D.
who, describing in his novels
 

 9. 

Diamonds are often found in rock formations called pipes, ___ the throats of extinct volcanoes.
A.
in which they resemble
C.
they have resemblance to
B.
which resemble
D.
that resemble
 

 10. 

William Samuel Johnson, who helped write the Constitution, become the first president of Columbia University in 1787.
A.
who
C.
become
B.
write
D.
the first
 

 11. 

Seals appear clumsy on the land, ___ are able to move short distances faster than most people can run.
A.
but they
C.
they
B.
which they
D.
which
 

 12. 

The Pritzker Prize is given every year to architects their work benefits humanity and the environment.
A.
every year
C.
benefits
B.
their
D.
the environment
 

 13. 

The instrument panel of a light airplane has at least a dozen instruments ___.
A.
which the pilot must watch
C.
which the pilot must watch them
B.
what the pilot must watch
D.
such that the pilot must watch them
 

 14. 

A keystone species is a species of plant or animal ___ absence has a major effect on an ecological system.
A.
that its
C.
whose
B.
its
D.
with its
 

 15. 

Active stocks are stocks they are frequently bought and sold.
A.
stocks
C.
frequently
B.
they are
D.
sold
 

 16. 

Pipettes are glass tubes, open at both ends, which chemists use them to transfer small volumes of liquid.
A.
at both
C.
use them
B.
which
D.
volumes
 

 17. 

The size and shape of a nail depends primarily on the function ___ intended.
A.
which it is
C.
which it is for
B.
for which it is
D.
for which is
 

 18. 

Gene Krupa had one of the few big band that was centered around a drummer.
A.
the few
C.
that
B.
band
D.
around
 

 19. 

In geometry, a tangent is a straight line ___ a curve at only one point.
A.
it touches
C.
its touching
B.
whose touching
D.
that touches
 

 20. 

There are many species of plants and animals that they are peculiar to Hawaii.
A.
There
C.
that they
B.
many species
D.
peculiar
 

 21. 

It was the ragtime pianist Scott Joplin ___ the Maple Leaf Rag, perhaps the best known of all ragtime tunes.
A.
wrote
C.
who wrote
B.
the writer of
D.
writing
 

 22. 

Today scientists obtain the informations which they use to make weather predictions chiefly from satellites.
A.
Today
C.
which they
B.
informations
D.
chiefly from
 

 23. 

Smoke jumpers are ___ descend into remote areas by parachute to fight forest fires.
A.
firefighters
C.
who, as firefighters
B.
when firefighters
D.
firefighters who
 

 24. 

There are over 2,000 varieties of snakes, ___ are harmless to humans.
A.
mostly they
C.
most of which
B.
most of them
D.
which most
 

 25. 

Charlotte Perkins Gilman’s best known book ___ she urges women to become financially independent.
A.
is Women and Economics, in which
C.
is Women and Economics, which
B.
Women and Economics, in which
D.
which is Women and Economics
 



 
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