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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:

What are stars primarily made of?

A) Oxygen and Hydrogen B) Hydrogen and Carbon
C) Hydrogen and Helium D) Oxygen and Helium
 
Answer & Explanation Answer: C) Hydrogen and Helium

Explanation:
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Filed Under: Chemistry
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Q:

Which of the below options is called a laughing gas?

A) N2O B) CO2
C) H2O D) SO2
 
Answer & Explanation Answer: A) N2O

Explanation:
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Q:

The Prime Minister of India unveiled a 112-feet bust of 'Lord Shiva in an Adiyogi pose' at the Isha Yoga centre in 2017. In which city is this statue located?

A) Amarnath B) Kedarnath
C) Coimbatore D) Varanasi
 
Answer & Explanation Answer: C) Coimbatore

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Filed Under: Indian Geography
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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:

If tea companies start using mechanised tea leave pickers

A) more people would want to work as tea leave pickers B) unemployment of tea leave pickers will decrease
C) more tea will be produced per acre D) then wages for manual tea leave pickers will fall
 
Answer & Explanation Answer: D) then wages for manual tea leave pickers will fall

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Filed Under: Indian Economy
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

Dinesh has been (1)/ absence from (2)/ school since last month. (3)/ No error (4)

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Filed Under: English
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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

 

A bad patch

 

A) A potholed road B) A medical bandage
C) A period of difficulty D) Shoddy repair work
 
Answer & Explanation Answer: C) A period of difficulty

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

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