Questions

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:

Which of the following vitamins help in the absorption of calcium?

A) Vitamin A B) Vitamin D
C) Vitamin B D) Vitamin C
 
Answer & Explanation Answer: B) Vitamin D

Explanation:
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Filed Under: Biology
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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.

The alpha and the omega

A) Happy and sad B) The beginning and the end
C) The love and the hatred D) Truth and dare
 
Answer & Explanation Answer: B) The beginning and the end

Explanation:
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Filed Under: English
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Q:

In this section, each of the following sentences has a blank space and four words are given below it. select the word or group of words you consider most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.

 

He _________ the role of the organization in creating environmental awareness among the people.

A) collaborated B) commanded
C) contrasted D) commended
 
Answer & Explanation Answer: D) commended

Explanation:

Commended, commended means appreciated. Collaborated, commanded and contrasted are out of context. Collaborated means to work jointly with others. Commanded mean to direct authoritatively. Contrasted means compared or appraised in respect to differences.

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Filed Under: English
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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.
Sunita has written a story which fascinates everyone.

A) A story has been written by Sunita which fascinates every one. B)  Everyone is fascinated by the story which has been written by Sunita.
C) Every one fascinates the story which is written by Sunita. D) Story written by Sunita fascinates everyone.
 
Answer & Explanation Answer: A) A story has been written by Sunita which fascinates every one.

Explanation:
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Q:

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

The man disappeared after he was rescuing a boy from drowning.

A) was rescued B) has been rescued
C) had rescued D) No improvement
 
Answer & Explanation Answer: C) had rescued

Explanation:

Two complete events occurred rescue happened first hence it will be expressed in past perfect tense, ‘had rescued’ will be the correct usage.

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Q:

The term 'Zero Based Budgeting' refers to __________.

A) A specified sum of money authorized by the Legislaturefor a specific period of time B) To ensure that every rupee spent is result oriented
C) A statutorily mandated form of reimbursement or up-front payment for state expenditures D) A cost item for which payment is made by one stateagency to another
 
Answer & Explanation Answer: B) To ensure that every rupee spent is result oriented

Explanation:
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Filed Under: Indian Economy
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Q:

Movement along the supply curve is known as ______

A) Contraction of supply B) Expansion of supply
C) Increase in supply D) Expansion and contraction of supply
 
Answer & Explanation Answer: D) Expansion and contraction of supply

Explanation:
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