Multiple choice

Directions: Four parts of the sentence given below have been underlined. Identify the part having an error. If no part has an error, mark (5).

Discovery of the magnetic (1) effect of coils in the 19th century (2) had opened the realms of possibilities for the scientists to (3) try measuring an (4) electric current. (5) No error

  1. (1)

  2. (2)

  3. (3)

  4. (4)

  5. (5)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While referring to specific time in the past, we should use simple past tense. Here 'had opened' should be replaced by 'opened'.

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