Q:

Ozone hole refers to

A) Decrease in the thickness of ozone layer in Stratosphere	B) Increase in thickness of ozone layer
C) Decrease in the ozone layer in Troposphere	D) Hole in the ozone layer

Answer & Explanation Answer: A) Decrease in the thickness of ozone layer in Stratosphere

Explanation:

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

8 3810

Q:

Who invented Electrocardiograph(EKG)?

Answer

The EKG was invented by Willem Einthoven in 1903 and is used to monitor and analyze past and present heart activity in an individual.

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Subject: Inventions

5 3809

Q:

Indra nooyi is the Chief Executive Officer of which company

A) Pepsi	B) Coca Cola
C) LG	D) Samsung

Answer & Explanation Answer: A) Pepsi

Explanation:

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Filed Under: Famous Personalities

1 3809

Q:

Who is the author of the Book 'Social Exclusion and Justice in India'?

A) Rakesh Kumar	B) Arun Singh
C) M. Venkaiah Naidu	D) P.S. Krishnan

Answer & Explanation Answer: D) P.S. Krishnan

Explanation:

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Filed Under: Books and Authors
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

8 3808

Q:

The main cause of floods in the rivers is

A) Heavy snow fall at the mountain	B) Earthquakes
C) Deforestation	D) Construction of dams

Answer & Explanation Answer: A) Heavy snow fall at the mountain

Explanation:

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Filed Under: Indian Geography

4 3808

Q:

Who is the Chairman of the Rajya Sabha?

A) The president	B) The Vice-President
C) The Prime Minister	D) The Speaker

Answer & Explanation Answer: B) The Vice-President

Explanation:

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Filed Under: Indian Politics

1 3808

Q:

A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is

A) greater than the weight of the man	B) less than the weight of the man
C) Same as the weight of the man	D) Zero

Answer & Explanation Answer: A) greater than the weight of the man

Explanation:

The weight of the man mg is acting on the floor. As the lift is moving up with an acceleration, say a, the man too in it is having this acceleration. The force producing this acceleration is ma. By Newton's third law, this force will have an equal reaction pressing the floor equal to ma. Therefore the total resultant reaction on the floor is mg+ma = m(g+a) which is mg, the weight of the man. So (a) is correct.

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Filed Under: Physics

1 3808

Q:

Of the following who was the first - ever industrialist to get the Bharat Ratna?

A) RK Dalmia	B) JRD Tata
C) RK Birla	D) SP Godrej

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