Q:

D.D.T. was invented by

A) Paul Muller	B) John Dalton
C) Rudolf	D) None of these

Answer & Explanation Answer: A) Paul Muller

Explanation:

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.

It was first synthesized in the year 1874.

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63 23719

Q:

The 2017 Indian Premier League (IPL 2017) first match on 5 April, 2017 was held in ?

A) Banglore	B) Delhi
C) Hyderabad	D) Kolkata

Answer & Explanation Answer: C) Hyderabad

Explanation:

The 2017 Indian Premier League is scheduled to start on 5th April 2017 and finish on 21 May 2017. The opening match and the final will be played at the Rajiv Gandhi International Cricket Stadium in Hyderabad.

The first match was between Sun Risers Hyderabad and Royal Challengers Banglore.

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211 23694

Q:

An advanced water management system of Harappan times has been unearthed at

A) Dholavira	B) Lothal
C) Kalibangan	D) Alamgirpur

Answer & Explanation Answer: A) Dholavira

Explanation:

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Filed Under: Indian History

50 23613

Q:

The ratio of cost price and marked price of an article is 2:3 and ratio of percentage profit and percentage discount is 3:2 . what is the discount percentage?

A) 16.66%	B) 20%
C) 25%	D) 33.33%

Answer & Explanation Answer: A) 16.66%

Explanation:

CP : MP = 2x : 3x

=> Profit = x

( %) profit : (%) discount = 3:2

Let CP = 2000, SP = 300

But $\frac{3 x}{100} \times 200 + \frac{2 x}{100} \times 300 = 100$

=> x = 8.33%

Discount 2x = 16.66%

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50 23557

Q:

The term _____ designates equipment that might be added to a computer system to enhance its functionality

A) digital device	B) system add-on
C) disk pack	D) peripheral device

Answer & Explanation Answer: D) peripheral device

Explanation:

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87 23554

Q:

Which are the special proteins in muscles that contract and relax to cause movement?

A) Contractile protein	B) Receptor protein
C) Structural protein	D) Enzymatic protein

Answer & Explanation Answer: A) Contractile protein

Explanation:

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Filed Under: Biology
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2 23549

Q:

Read each sentence to find out whether there is any error in any part

I am(a) glad(b) that you are here(c). No error.(d)

A) a	B) b
C) c	D) d

Answer & Explanation Answer: D) d

Explanation:

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Filed Under: English
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0 23537

Q:

Hypokinetic diseases refer to those that are caused by

A) infections	B) high cholesterol
C) inactivity	D) high blood pressure

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