Who discovered America? MCQ with Answer and Explanation

Question

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Who discovered America?

A. By whom was America discovered?

B. By who was America discovered?

C. By whom had America been discovered?

D. Who was America discovered by?

Answer: Option A

Solution (By JKSSB Mock Tests)

‘Who’ → ‘By whom’ in formal passive.

This question belongs to: English Active and Passive Voice

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Practice More Active and Passive Voice Questions

Question #1

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Select the correct passive voice of: 'The court has found the accused guilty.'

A. The accused was found guilty by the court.

B. The accused has been found guilty by the court.

C. The accused is found guilty by the court.

D. The accused had been found guilty by the court.

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Correct Answer: Option B

Explanation:
Present perfect: Object + has/have + been + past participle + complement + by + subject.

This question belongs to: English Active and Passive Voice

Question #2

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Choose the correct active voice of: 'Let the window not be opened.'

A. Do not open the window.

B. Not open the window.

C. You are forbidden to open the window.

D. Let not the window opened.

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Correct Answer: Option A

Explanation:
Passive negative imperative 'Let...not be opened' → active 'Do not open the window'.

This question belongs to: English Active and Passive Voice

Question #3

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Did you solve the puzzle?

A. Was the puzzle solved by you?

B. Did the puzzle solved by you?

C. Is the puzzle solved by you?

D. Had the puzzle been solved by you?

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Correct Answer: Option A

Explanation:
Past simple interrogative → Was/Were + object + V3.

This question belongs to: English Active and Passive Voice

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