Read each sentence to find out whether there is any grammatical mistake error in it. The error if any, will be any part of the sentence. Make the number of that part with error as your answer. If there is 'd) No error', mark.
A. Microwaves are the principle carriers
B. of television, telephone and data transmissions
C. between stations on earth and between the earth and satellites.
D. No error
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Correct Answer : A.
In this question the word principle is wrongly spelt. The letter under this part is (a), therefore, (a) is the correct answer. The correct form would be Microwaves are the principal carriers, which means microwaves are the chief or main carriers. The word principle is not used because it means a basic general truth that is the foundation of something.