Questions

Q:

Anions are formed by _____.

A) losing of electrons B) gaining of electrons
C) gaining of neutrons D) losing of neutrons
 
Answer & Explanation Answer: B) gaining of electrons

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Q:

Pentane has _____ structural isomers.

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

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Q:

Which of these is not a macronutrient for Plants?

A) Nitrogen B) Phosphorus
C) Potassium D) Chlorine
 
Answer & Explanation Answer: D) Chlorine

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Q:

The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .

A) Absorption of Nitrogen B) Ammonification
C) Nitrogen Fixation D) Nitrogen Cycle
 
Answer & Explanation Answer: D) Nitrogen Cycle

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Q:

Which among the following has highest electron affinity?

A) Chlorine B) Fluorine
C) Helium D) Xenon
 
Answer & Explanation Answer: A) Chlorine

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Q:

Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.

A) Many Japanese cities had extensive tram systems until the 1960s, when increased motorization started to make some lines disappear. B) Increased motorization started to make some lines disappear after the1960s until when many Japanese cities had extensive tram systems.
C) When increased motorization started to make lines disappear, many Japanese cities have extensive tram systems until the 1960s. D) Until the 1960s, when increased motorization started to make some lines disappear, many Japanese cities had extensive tram systems.
 
Answer & Explanation Answer: C) When increased motorization started to make lines disappear, many Japanese cities have extensive tram systems until the 1960s.

Explanation:

‘has’ is incorrectly used since the sentence is in past tense. Moreover, the subject is cities, which is plural.

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Q:

India was ranked at which place among emerging economies on Inclusive Development Index (IDI-2018) released by World Economic Forum (WEF)?

 

A) 26th B) 47th
C) 62nd D) 81st
 
Answer & Explanation Answer: C) 62nd

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Q:

Rearrange the parts of the sentence in correct order.


The traditional obstacle to


P : the education of girls is

Q the prejudice against the

R : intellectual potential of girls

 

A) RPQ B) QPR
C) PQR D) PRQ
 
Answer & Explanation Answer: C) PQR

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