Questions

Q:

For dilution of a concentrated acid, we should add:

A) water into the diluted acid B) water into the concentrated acid
C) first water into the acid and then more acid into the water D) concentrated acid into water
 
Answer & Explanation Answer: B) water into the concentrated acid

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Filed Under: Chemistry
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Q:

In a longitudinal wave, the distance between two consecutive compressions and two consecutive refractions is called

A) Matter B) Wavelength
C) Magnitude D) Energy
 
Answer & Explanation Answer: B) Wavelength

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Filed Under: Physics
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Q:

______________ scheme launched by the Central Government aims to cover all those children by 2020 who are either unvaccinated, or are partially vaccinated against seven vaccine preventable diseases.

A) Deen Dayal Upadhyaya Grameen Kaushalya Yojana B) Deendayal Upadhyaya Gram Jyoti Yojana
C) Mahatma Gandhi Pravasi Suraksha Yojana D) Indradanush Scheme
 
Answer & Explanation Answer: D) Indradanush Scheme

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Filed Under: Indian Politics
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Q:

Who was the UPA candidate for the Vice President's post in the 2017 elections?

A) Arun Gandhi B) Gopalkrishna Gandhi
C) Varun Gaandhi D) Sonia Gandhi
 
Answer & Explanation Answer: B) Gopalkrishna Gandhi

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Filed Under: Indian Politics
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Q:

In December 2017, who launched project ‘DARPAN’ (Digital Advancement of Rural Post Office for a New India)?

 

A) Jayant Sinha B) Manoj Sinha
C) Ravi Shankar Prasad D) Prakash Javadekar
 
Answer & Explanation Answer: B) Manoj Sinha

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Filed Under: Indian Politics
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Q:

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

 

A) The cloth completely absorbs red colour wavelength B) It is due to refraction
C) It is the effect of scattering of light D) It is due to Parallax error
 
Answer & Explanation Answer: A) The cloth completely absorbs red colour wavelength

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Filed Under: Physics
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Q:

What is the principal focus of a spherical mirror?

A) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C) It is the centre of a hollow sphere of which the spherical mirror is a part D) It is the midpoint of a spherical mirror
 
Answer & Explanation Answer: B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis

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Filed Under: Physics
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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
The theatre was keeping a seat for you.

A) A seat was being kept for you by the theatre. B) Keeping of a seat for you has been done by the theatre.
C) The theatre has kept a seat for you. D) A seat would be kept for you by the theatre.
 
Answer & Explanation Answer: A) A seat was being kept for you by the theatre.

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Filed Under: English

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