Questions

Q:

SO2 Polar or Nonpolar?

Answer

SO2 has a net dipole moment and has a bent shape in its structure as water molecule. Hence it is a polar molecule.

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Q:

Which of the following is not a type of chemical weathering?

A) Corrosion B) Solution
C) Oxidation D) Carbonation
 
Answer & Explanation Answer: A) Corrosion

Explanation:

Chemical weathering is the process of altering rocks chemically when they are broken down. It includes hydrolysis, oxidation, acid rain, etc...

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Q:

Which of the following statements about DNA replication is true?

A) Single‑strand binding proteins stabilize the open conformation of the unwound DNA. B) Okazaki fragments are DNA fragments synthesized on the leading strand.
C) DNA polymerase adds dNTP monomers in the 3′-5′ direction. D) DNA gyrase unwinds the DNA double helix.
 
Answer & Explanation Answer: A) Single‑strand binding proteins stabilize the open conformation of the unwound DNA.

Explanation:
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Q:

 In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

 

The course (has been) a success with more than a thousand students joining it.

 

A) have been B) is been
C) was been D) no improvement
 
Answer & Explanation Answer: D) no improvement

Explanation:
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Q:

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

 

The fugitive was finally stopped at the airport.

 

A) compromised B) comprehended
C) apprehended D) No improvement
 
Answer & Explanation Answer: C) apprehended

Explanation:
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Q:

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

 

Raja is a bad singer, he is tone-deaf.

A) stone-deaf B) deaf
C) tune-deaf D) No improvement
 
Answer & Explanation Answer: D) No improvement

Explanation:
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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

I waited _____ the train arrived.

A) as B) until
C) since D) after
 
Answer & Explanation Answer: B) until

Explanation:
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Q:

If price of an article decreases from Rs 240 to Rs 220, when quantity demanded increases from 200 units to 210 units. Find point elasticity of demand?

A) 0.6 B) -1.8
C) -0.6 D) 1.8
 
Answer & Explanation Answer: C) -0.6

Explanation:
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