Questions

Q:

Which helps prevent errors in DNA replication?

A) Complementary base pairing reduce errors B) DNA ligase checks the DNA for errors
C) DNA is located in the ribosomes D) Any base can pair with any other base
 
Answer & Explanation Answer: A) Complementary base pairing reduce errors

Explanation:

DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the basis for biological inheritance. Complementary base pairing helps prevent errors in DNA replication.

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Filed Under: Biology
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Q:

Which of the following is not an element of culture?

A) Customs and traditions B) Religion
C) Human Beleifs D) Forms of government
 
Answer & Explanation Answer: C) Human Beleifs

Explanation:

Culture is the social behavior and norms found in human societies. The 7 main elements that make up culture are ::

 

1. Social organization
- the family patterns and social classes of a culture.

 

2. Customs and traditions
- way people act, wear, what they eat, and their laws.

 

3. Language
- communication by word of mouth.

 

4. Religion
- a system of beliefs that answers questions about the meaning of life.

 

5. Art and literature
- ways the people entertain themselves. There stories they tell and how they dance. Its also the music they listen to and there artwork.

 

6. Forms of government
- the people or group(s) that control the people and provide/ enforce the laws.

 

7. Economic systems
- the method used by a society to produce and distribute goods and services.

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Filed Under: Indian Culture
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Q:

Which among the following are not the children of Swapper or Scheduler?

A) Process Dispatcher B) Vhand
C) Dbflush D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Process Dispatcher,Vhand,Dbflush are the children of Scheduler

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Filed Under: Operating Systems
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Q:

The first Indian to swim across English channel was

A) P.K.Banerji B) Mihir Sen
C) V.Merchant D) Arati Saha
 
Answer & Explanation Answer: B) Mihir Sen

Explanation:
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Q:

Persistence of vision is the principle behind

A) Telescope B) Periscope
C) Cinema D) Microscope
 
Answer & Explanation Answer: C) Cinema

Explanation:

Optical illusion is what that refers to persistence of vision with a principle that multiple images blend into a single image in human mind and what is showed in cinema.

 

Hence, Persistence of vision is the principle behind cinema.

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Q:

What is backup?

A) Connect his network to more component B) Copy to save a data from original source to other destination
C) Filter an old data from new data D) Access data from tape
 
Answer & Explanation Answer: B) Copy to save a data from original source to other destination

Explanation:
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Q:

Nucleus of Hydrogen atom consists of

A) 2 protons only B) 2 neutrons only
C) 1 proton only D) 1 electron only
 
Answer & Explanation Answer: C) 1 proton only

Explanation:

The nucleus of hydrogen consists of only a single proton.

Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom.

The electron is bound to the nucleus by the Coulomb force.

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Q:

If a Siren sounds for every 5 seconds, how many times will it sound in ¾ of an hour?

A) 541 times B) 540 times
C) 450 times D) 275 times
 
Answer & Explanation Answer: A) 541 times

Explanation:

There are 60 minutes in an hour.

In ¾ of an hour there are (60 × ¾) minutes = 45 minutes.

In ¾ of an hour there are (60 × 45) seconds = 2700 seconds.

Siren sounds for every 5 seconds.

In 2700 seconds = 2700/5 = 540 times.

The count start after the first sound, the Siren will sound 541 times in ¾ of an hour.

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Filed Under: Clock puzzles
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