Identifying and correcting errors involving singular and plural nouns. (Note: One or two items in this exercise do not focus on singular-plural errors. These are marked in the answer key with an asterisk.
Decide which of the four underlined words or phrases-(A), (B), (C), or (D)-would not be considered correct, and write the letter of the expression in the blank. Then, in the line at the end of the sentence, write a correction for the underlined phrase. The first one is done as an example.
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1) The male mandril baboon is one of the most colorful of all mammal.
17) The pine tree is probably the more important lumber tree in the world.
2) Zoonoses are diseases that can be transmitted to humans beings by animals.
18) Mary Lyon founded Mount Holyoke College, the fIrst permanent institution of higher learning for woman in the United States.
3) Many championship automobiles and motorcycle races take place in Daytona Beach, Florida.
19) Adult humans have more than a trillions cells in their bodies.
4) The Newberry Award is granted every years to the authors of outstanding books for children.
20) Phytoplankton is found only in the upper layers of of the ocean, where sunlights can reach.
5) The major source of air pollution vary from city to city.
6) Around seventy-five percents of the Earth’s surface is covered by water.
7) All college and universities get their funds from a variety of .
8) Russell Cave in northeastern Alabama was the home of cliff-dwelling Indians thousand of years ago.
9) In 1792 a corporation constructed a sixty-miles toll road from Philadelphia to Lancaster, Pennsylvania.
10) The mathematician and astronomer David Rittenhouse was one of the first man of science in the American colonies.
11) Publishers of modern encyclopedias employ hundreds of specialists and large editorials staffs.
12) The electric toaster was one of the earliest appliance to be developed for the kitchen.
13) Tornadoes can pick up objects as heavy as automobiles and carry them for hundreds of foot.
14) Many kinds of vegetables are growth in California’s Imperial Valley.
15) In typical pioneers settlements, men, women, and children worked from morning until night at farm and household tasks.
16) Some engineers have predicted that, within twenty years, automobiles will be make almost completely of plastic.