Questions

Q:

Who discovered electron?

A) E. Goldstien B) J. J. Thomson
C) Ernest Rutherford D) J. Chadwick
 
Answer & Explanation Answer: B) J. J. Thomson

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Filed Under: Inventions
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Q:

Who invented Antibiotics?

A) Joseph Lister B) William Harvey
C) Robert Knock D) Alexander Fleming
 
Answer & Explanation Answer: D) Alexander Fleming

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Filed Under: Inventions
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Q:

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: B) 1

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Q:

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

A) 1 B) 3
C) 31 D) 2
 
Answer & Explanation Answer: A) 1

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Q:

Prince Khurram was the name of the future Emperor __________.

A) Shah Jahan B) Jahangir
C) Babur D) Akbar
 
Answer & Explanation Answer: A) Shah Jahan

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Filed Under: Indian History
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Q:

Which of these rivers do not flow through Punjab?

A) Sutlej B) Ravi
C) Jhelum D) Ganga
 
Answer & Explanation Answer: D) Ganga

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Filed Under: Indian Geography
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Q:

What is the percentage of methane in biogas?

A) 90% B) 80%
C) 60% D) 75%
 
Answer & Explanation Answer: D) 75%

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Filed Under: Chemistry
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Q:

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

By 8.00 in the morning he wrote four letters to his friends.

A) had written B) had been writing
C) was writing D) No improvement
 
Answer & Explanation Answer: A) had written

Explanation:

As the task was completed by 8 am the sentence is in past perfect tense, ‘had written’ will be the correct use.

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Filed Under: English
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