Questions

Q:

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

A) 21 4/7° B) 25°
C) 25 5/7° D) 38 4/7°
 
Answer & Explanation Answer: C) 25 5/7°

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Q:

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

A) 4 B) 6
C) 10 D) 14
 
Answer & Explanation Answer: C) 10

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Q:

Where is the headquarters of the World Customs Organization (WCO) located?

A) Brussels B) Paris
C) Berlin D) Rome
 
Answer & Explanation Answer: A) Brussels

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Filed Under: World Organisations
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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:

The maximum number of electrons that can be accommodated in M shell is

A) 8 B) 2
C) 18 D) 32
 
Answer & Explanation Answer: C) 18

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Filed Under: Chemistry
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Q:

Which is the first metallic element in the Modern Periodic Table?

A) Li B) Na
C) He D) H2
 
Answer & Explanation Answer: A) Li

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Filed Under: Chemistry
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Q:

The process of copying genetic information from one strand of DNA into RNA is termed as

A) translation B) transcription
C) replication D) mutation
 
Answer & Explanation Answer: B) transcription

Explanation:

The process of copying genetic information from one strand of the DNA into RNA is termed as transcription. In transcription, only a segment of DNA and only one of the strands is copied into RNA. This necessitates defining the boundaries that would demarcate the region and the strand of DNA that would be transcribed.

 

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Filed Under: Biology
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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question,choose the correct alternative and click the button corresponding to it.

He is _______ connected.

A) respectively B) respective
C) respectably D) respectable
 
Answer & Explanation Answer: C) respectably

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Filed Under: English
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