Questions

Q:

The angle between the __________and the incident ray is called the angle of incidence.

A) surface B) normal
C) tangent D) reflected ray
 
Answer & Explanation Answer: B) normal

Explanation:
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Filed Under: Physics
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Q:

The HIV virus weakens the immunity of a person because it destroys

A) mast cells B) platelets
C) erythrocytes D) lymphocytes
 
Answer & Explanation Answer: D) lymphocytes

Explanation:

The    HIV    virus    continuously    invades    and destroys  T-cells  (lymphocytes).  Eventually  the body can't replace the T-cells fast enough, and the  immune  system  deteriorates.  When  the immune  system has deteriorated to the point that it is unable to fight off diseases, a person is diagnosed with AIDS.

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Filed Under: General Science
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Q:

By definition, Antarctica is considered what type of landscape?

A) ice shelf B) desert
C) bay D) iceberg
 
Answer & Explanation Answer: D) iceberg

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Filed Under: General Awareness
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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

The skills of a

A-three categories, namely, technical,

B-teacher can be classified into

C-human and enterprising

 

A) ACB B) BAC
C) ABC D) CBA
 
Answer & Explanation Answer: B) BAC

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Filed Under: English
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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

 

Anuj said, “I need your help now.”

 

A) Anju needed my help then. B) Anuj said that he needed my help then.
C) Anuj said he needed my help now. D) Anuj says he needed my help now.
 
Answer & Explanation Answer: B) Anuj said that he needed my help then.

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Filed Under: English
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Q:

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

 

She threw me into a ditch.

 

A) I was threw. B) I am threw by her into a ditch.
C) I was thrown into a ditch by her. D) I was thrown into a ditch.
 
Answer & Explanation Answer: C) I was thrown into a ditch by her.

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Filed Under: English
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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

A) benefecial B) baneficial
C) banefecial D) beneficial
 
Answer & Explanation Answer: D) beneficial

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Filed Under: English
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Q:

Tooth decay starts when the pH of the mouth is lower than

A) 5.7 B) 5.5
C) 5.6 D) 5.4
 
Answer & Explanation Answer: B) 5.5

Explanation:
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Filed Under: Chemistry
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