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Q:

An ionic bond is formed when

A) sharing of electrons B) transfer of electrons
C) Both A & B D) losing of protons
 
Answer & Explanation Answer: B) transfer of electrons

Explanation:

An ionic bond is formed in between the two atoms with the transfer of electrons from an atom to the other to become stable after pairing.

an_ionic_bond_is_formed_when1535690989.jpg image

The atom which has low ionization energy will give some of its electrons to get stable electronic configuration .

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Filed Under: Chemistry
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2 1904
Q:

Which of the following defines a genome?

A) Every human cell B) the complete set of an organism's genes and other DNA sequences
C) the complete set of an organism's polypeptides D) a karyotype
 
Answer & Explanation Answer: B) the complete set of an organism's genes and other DNA sequences

Explanation:
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Filed Under: Biology
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2 1904
Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O B) Na + Cl → NaCl
C) HA + BOH → H2O + BA D) NaCl + AgNO3 → NaNO3 + AgCl
 
Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

 

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Filed Under: Chemistry
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2 1903
Q:

Systems biology is mainly an attempt to

A) Understand the behavior of entire biological systems B) Speed up the technological application of scientific knowledge
C) Analyze genomes from different species. D) None of the above
 
Answer & Explanation Answer: A) Understand the behavior of entire biological systems

Explanation:

An approach to studying biology that aims to model the dynamic behavior of whole biological systems based on a study of the interactions among the system's parts.

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Filed Under: Biology
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1 1903
Q:

Unemployment would cause an economy to

A) produce outside its production possibilities frontier B) produce inside it's production possibilities frontier
C) produce on it's production possibilites frontier D) All of the above
 
Answer & Explanation Answer: B) produce inside it's production possibilities frontier

Explanation:
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Filed Under: Indian Economy
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1 1903
Q:

Who becomes the first woman to present the Indian Union Budget?

A) Sucheta Kriplani B) Indira Gandhi
C) Nirmala Sitharaman D) Sushma Swaraj
 
Answer & Explanation Answer: B) Indira Gandhi

Explanation:

Indira Priyadarshini Gandhi was the first woman who presented the Union budget of India for the year 1970 - 71.

 

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Filed Under: Indian Politics
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7 1902
Q:

Who conquered Sind in 712 AD?

A) Arabs B) French
C) Greeks D) Mongols
 
Answer & Explanation Answer: A) Arabs

Explanation:

By 712 AD, Arabs conquered Sindh.

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Filed Under: Indian History
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7 1902
Q:

Hub works on which layer?

A) Network layer B) Physical layer
C) Data link layer D) All of the above
 
Answer & Explanation Answer: B) Physical layer

Explanation:

Hub works on layer 1 i.e, physical layer.

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Filed Under: Computer
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3 1902