Questions

Q:

Which equation represents a neutralization reaction?

A) 2Al(OH)3(s) ---> Al2O3(s) + 3H2O(l) B) H2SO4(aq) + 2NaOH(aq) ---> Na2SO4(aq) + 2H2O(l)
C) 2H2(g) + O2(g) ---> 2H2O(l) D) H2CO3(aq) ---> CO2(g) + H2O(l)
 
Answer & Explanation Answer: B) H2SO4(aq) + 2NaOH(aq) ---> Na2SO4(aq) + 2H2O(l)

Explanation:

Here in the option B) H2SO4 - Sulfuric acid is reacting with sodium hydroxide (NaOH), a base to produce a salt (Sodium Sulfate), and water (H2O). This is characteristic of of acid-base neutralization reactions.

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Q:

Which is not a function of the cytoskeleton?

A) helps the cell move B) gives cell a shape
C) prevents chromosomes from separating D) None of the above
 
Answer & Explanation Answer: C) prevents chromosomes from separating

Explanation:

A cytoskeleton acts as a frame that gives a cell its shape, protects it to an extent, and helps with cellular motion.

 

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Q:

Hydrogen bonds and hydrophilic interactions are

A) Strong chemical bonds that hold together the atoms within a molecule B) Weak chemical bonds that hold together the atoms within a molecule
C) Strong chemical bonds that link together separate molecules D) Weak chemical bonds that link together separate molecules
 
Answer & Explanation Answer: D) Weak chemical bonds that link together separate molecules

Explanation:
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Q:

Can you work in shifts?

Answer

Say “Yes” if you have made up your mind to work for a call center. Call centers would usually work 24 X 7 which needs some executives to be always present in the center. This means that you would need to work in shifts. 

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Subject: Call Center

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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.


Namita is from the state of Kerala. She has come to Dubai to serve as a governess for the only child of the Nairs. The Nairs are nice and gentle and Namita has no cause to complain. One day she overhears something that makes her jittery. Mr. Nair is not employed in an American company as she has been told. The nature of his business is illegal. She is shocked and wants to go back to her home town to her own people.

Gopal is from a very poor family. His family owns a very small piece of land that can hardly meet their food requirement. One day, Gopal gets a nice offer to work in the Emirates with a construction contractor. In order to meet the expenses on travelling, the family decides to sell their own land and send Gopal to the foreign country, to make money. On arrival, the contractor confiscates Gopal's passport and gives him a small place to live in with ten others like him. Gopal has little idea what he must do.


What does the phrase, 'makes her jittery' imply?

A) Sadness B) Anger
C) Trauma D) Anxiety
 
Answer & Explanation Answer: D) Anxiety

Explanation:
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Q:

The hormone associated with aggression seems to be

A) Testosterone B) Adrenaline
C) Estrogen D) Peptone
 
Answer & Explanation Answer: A) Testosterone

Explanation:

Testosterone is the hormone which is associated with aggression.

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Q:

Which type of weathering creates karst topography?

A) Chemical B) Physical
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Chemical

Explanation:

Karst topography is created by the chemical weathering of the rocks such as limestone, dolomite etc...

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Q:

Which of these groups is the smallest level of classification?

A) Phylum B) Family
C) Kingdom D) Species
 
Answer & Explanation Answer: C) Kingdom

Explanation:

Kingdom is the smallest level of classification.

 

The level of classification from largest to smallest is :

* Domain

* Kingdom

* Phylum

* Class

* Order

* Family

* Genus

* Species

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