Questions

Q:

What is the range of frequencies of sound waves audible to human beings?

A) 16kHz to 200kHz B) 16Hz to 16kHz
C) 16Hz to 20kHz D) 14Hz to 20kHz
 
Answer & Explanation Answer: C) 16Hz to 20kHz

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Filed Under: Physics
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Q:

Which amendment of the Constitution of India increased the age of retirement of High Court judges from 60 to 62 years?

A) 10th B) 12th
C) 15th D) 245th
 
Answer & Explanation Answer: C) 15th

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Filed Under: Indian Politics
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Q:

Which country has banned cotton imports from China citing 'Slave labour'?

A) Russia B) United Kingdom
C) India D) United States
 
Answer & Explanation Answer: D) United States

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Filed Under: General Awareness
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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case noimprovement is needed, select "no improvement".

Opening the door to her each morning is like (lets) a breath of fresh air into my world.

A) let B) to let
C) letting D) no improvement
 
Answer & Explanation Answer: C) letting

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Filed Under: English

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Q:

Propyne and propene can be distinguished by

A) AgNO₃ in ammonia B) conc. H₂SO₄
C) dil. KMnO₄ D) Br₂ in CCl₄
 
Answer & Explanation Answer: A) AgNO₃ in ammonia

Explanation:

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.

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Filed Under: Chemistry
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Q:

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

A) 0.55 B) 1.66
C) 0.25 D) 1.22
 
Answer & Explanation Answer: D) 1.22

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Filed Under: Indian Economy
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Q:

_____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.

A) Mitochondria B) Chloroplast
C) Ribosomes D) Nucleus
 
Answer & Explanation Answer: A) Mitochondria

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Filed Under: Biology
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Q:

Prostate in human body is a

A) Connective tissue B) Gland 
C) Membrane D) Muscle
 
Answer & Explanation Answer: B) Gland 

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Filed Under: Biology
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