Questions

Q:

Why does carbon tetrachloride have no dipole moment?

A) Because of same size of carbon and chlorine atoms B) Because of regular tetrahedral structure
C) Because of planar structure D) Because of similar electron affinities of carbon and chlorine
 
Answer & Explanation Answer: B) Because of regular tetrahedral structure

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Q:

Which element is not a part of a nitrogenous base?

A) Hydrogen B) Phosphorous
C) Carbon D) Nitrogen
 
Answer & Explanation Answer: B) Phosphorous

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Q:

Select the option that correctly matches the contents of the first column with the contents of the second column.

 

A. Elements combine in fixed ratios I. Dalton's atomic theory
B. Atoms are indivisible II. The same number of molecules
C. Sulphate and Oxalate ions are anions, whereas magnesium and III. Law of constant proportions
D. Gram atomic mass of an element and the gram molecular mass of a compound contain IV. Ammonium ions are cations

 

A) A-III, B-II, C-IV, D-I B) A-III, B-I, C-IV, D-II
C) A-III, B-IV, C-I, D-II D) A-I, B-III, C-IV, D-II
 
Answer & Explanation Answer: B) A-III, B-I, C-IV, D-II

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Q:

The tenth element in the Newland's periodic classification resembles the

A) Fourth B) Ninth
C) First D) Third
 
Answer & Explanation Answer: D) Third

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Q:

Which of the following can be used as a weapon of war and conflict?

A) Extreme economic dependence B) Trade sanctions
C) Currency manipulation D) Withdrawal of bilateraltreaties
 
Answer & Explanation Answer: B) Trade sanctions

Explanation:

This can be interpreted from these lines of the passage, “Sanctions also play a dramatic role as an offensive militaristic manoeuver” and "Indeed, economics is often used directly as a weapon of war and conflict via trade sanctions."

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Q:

AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through

A) eating contaminated food and water   B) transfusion of contaminated blood and blood products
C) inhaling polluted air D) shaking hand with infected person
 
Answer & Explanation Answer: B) transfusion of contaminated blood and blood products

Explanation:

AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing the RNA genome. Transmission of HIV-infection generally occurs by (a) sexual contact with infected person, (b) by transfusion of contaminated blood and blood products, (c) by sharing infected needles as in the case of intravenous drug abusers and (d) from infected mother to her child through placenta.

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

But representatives have cynically chosen to look the other _________________ when matters of justice are involved. They seem to have only a will to power; to be part of a new ___________________ elite. _________________ they forget that the history of struggle is the future of struggle. Maoism is one extreme ____________________ struggle ___________________ corrupt appropriative and greedy elites; there are others.

 

___________________ corrupt appropriative and greedy elites; there are others.

 

A) against B) of
C) for D) with
 
Answer & Explanation Answer: A) against

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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

Anti­apartheid activist Desmond Tutu is even more hard­headed when he says, "In almost ____________ language, the most difficult words are 'I am sorry’." Mr. Tutu adds that ______________ reconciliations can only lead to spurious healing. _____________ him forgiveness is a wager, an ethical wager on the future of ______________ relationship. This is why the few events of apology which stand up to _____________ scrutiny deserve to be treasured.

 

an ethical wager on the future of ______________ relationship.

 

A) the B) a
C) them D) him
 
Answer & Explanation Answer: B) a

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