General Knowledge Questions

Q:

Which of the following statements about ddntps is true?

A) They have a hydrogen at the 3’ carbon of the sugar. B) DNA polymerase can add a new dNTP to a 3’ ddNTP.
C) They have a free 3’-hydroxyl group on the ribose sugar. D) They have an oxygen at the 2’ carbon of the ribose sugar.
 
Answer & Explanation Answer: A) They have a hydrogen at the 3’ carbon of the sugar.

Explanation:

ddNTPs - Dideoxynucleotides and abbreviated as ddNTPs.

 

They are chain-elongating inhibitors of DNA polymerase, used in the Sanger method for DNA sequencing.

 

They have a hydrogen at the 3’ carbon of the ribose sugar.

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Filed Under: Biology
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Q:

Karnataka Bank Limited has recently launched Missed Call Banking Facility. Which of the following Statements are true regarding this?

(1) After giving missed call, the customer gets his account balance/mini statement through SMS on his mobile

(2) This Facility is free of cost

(3) Bank customers can give missed call from their registered mobile number to the designated numbers of the Bank and Know balance in their account or get mini statement

(4) These services are available only from registered mobile number of a customer to ensure confidentiality of the account details.

A) 1,3 and 4 B) 1,2 and 3
C) 1,2 and 4 D) 1,2,3 and 4
 
Answer & Explanation Answer: D) 1,2,3 and 4

Explanation:
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Q:

Which scientist discovered the radioactive element radium?

A) Isaac Newton B) Marie Curie
C) Benjamin Franklin D) None of these
 
Answer & Explanation Answer: B) Marie Curie

Explanation:
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Q:

Which of the following gases is present under pressure in soft drinks?

A) Nitrous oxide B) Oxygen
C) Nitrogen D) Carbon dioxide
 
Answer & Explanation Answer: D) Carbon dioxide

Explanation:

Carbon dioxide is present under pressure in soft drinks.

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Filed Under: Chemistry
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Q:

Which of the following is not transferred by alveoli?

A) Gases B) Oxygen
C) Blood D) Carbondioxide
 
Answer & Explanation Answer: C) Blood

Explanation:

The main function of the pulmonary alveoli is to perform the transfer and exchange of gases. Here in the given options, blood is only one which is not gas.

 

Hence, blood is not transferred by alveoli.

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Filed Under: General Science
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Q:

Which of the following is a legal requirement for PFDs?

A) PFDs must be properly sized for the intended wearer. B) Must be in good, serviceable condition.
C) Sizing for PFDs is based on body weight and chest size. D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

PFD's : Personal Flotation Devices (life jackets).

 

It is a legal requirement for a PFD to

1. Must be in good, serviceable condition 

2. PFDs must be properly sized for the intended wearer.

3. Sizing for PFDs is based on body weight and chest size.

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Filed Under: General Awareness
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Q:

India has emerged as the _______largest aviation market in the world with a passenger traffic of over 10 crore reported for 2016-17.

A) 1st B) 2nd
C) 3rd D) 4th
 
Answer & Explanation Answer: C) 3rd

Explanation:

The central government has said that India has emerged as the 3rd largest aviation market in the world with a passenger traffic of over 10 crore reported for 2016-17. This was stated by minister of state for civil aviation Jayant Sinha at a media event on the achievements of the ministry of civil aviation on the completion of three years of the NDA government.

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Filed Under: Indian Economy
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Q:

What is refractive index ?

A) it is defined as the ratio of speed of light in the medium to the speed of light in vacuum. B) it is defined as the product of speed of light in medium and in vacuum.
C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium . D) None of above
 
Answer & Explanation Answer: C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .

Explanation:
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