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Latest Popular Rated
Q:

Where is the Devils Tower located?

A) black hills of crook county B) belgium
C) colombia D) Georgia
 
Answer & Explanation Answer: A) black hills of crook county

Explanation:

Devils tower is located in black hills of crook county of north eastern whyoming .It was the first declared United States National Monument.

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Filed Under: Famous Places

9 3231
Q:

Purushasukta is founded in the

A) Bhagavad Gita B) Rigveda
C) Manusmriti D) Athrvaveda
 
Answer & Explanation Answer: B) Rigveda

Explanation:
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Filed Under: Indian History

9 6016
Q:

Is the Government justified in spending so much on defence?

Arguments:

I. Yes. Safety of the country is of prime importance.

II. No. During peace, this money could be used for the development of the country.

A) Only argument I is strong B) Only argument II is strong
C) Neither I nor II is strong D) Both I and II are strong
 
Answer & Explanation Answer: A) Only argument I is strong

Explanation:

Clearly, defence is necessary for the safety of the country, which is of prime importance. So, argument I holds. Also, a country can concentrate on internal progress and development only when it is safe from external aggressions. So, argument II does not hold.

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Filed Under: Statement and Arguments
Exam Prep: GRE

9 9108
Q:

Why does'nt the hydrogen atom emit X-rays?

A) It is very small in size B) It has only one electron
C) Its energy levels are very close to each other D) it is highly electropositive
 
Answer & Explanation Answer: C) Its energy levels are very close to each other

Explanation:

For an atom to emit X-rays it should have difference in energy levels

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Filed Under: Physics

9 5807
Q:

Which one of the following groups have quantities that do not have the same dimensions

A) pressure, stress B) velocity, speed
C) force, impulse D) work, energy
 
Answer & Explanation Answer: C) force, impulse

Explanation:
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Filed Under: Physics

9 5211
Q:

Which of the following is a scalar quantity

A) Displacement B) Electric field
C) Acceleration D) work
 
Answer & Explanation Answer: D) work

Explanation:
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Filed Under: Physics

9 3523
Q:

Distance of stars are measured in

A) Galactic unit B) seller mile
C) Cosmic Kilometre D) Light year
 
Answer & Explanation Answer: D) Light year

Explanation:
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Filed Under: Physics

9 4453
Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A) : There is no vaccine for AIDS. 

 Resson (R)   : The AIDS virus changes its genetic code 

A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false. D) A is false but R is true.
 
Answer & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

A vaccine contains the inactivated germs of the disease. But the AIDS virus changes its genetic code and so on vaccine has been invented for it. 

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Filed Under: Assertion and Reason

9 7190