Questions

Q:

The law of conservation of energy states that

A) energy can neither be created nor destroyed B) energy can either be created nor destroyed
C) energy can neither be created or destroyed D) energy can either be created or destroyed
 
Answer & Explanation Answer: A) energy can neither be created nor destroyed

Explanation:

The law of conservation of energy is a law of science which states that energy can neither be created nor destroyed - only converted from one form of energy to another.

In 1842, Julius Robert Mayer discovered the Law of Conservation of Energy.

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Q:

C.K. Naidu Cup is associated with which of the following sporting events?

A) Tennis B) Cricket
C) Hockey D) Golf
 
Answer & Explanation Answer: B) Cricket

Explanation:
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Q:

In what way interrupts are classified in 8085?

Answer

in 8085 the interrupts are classified as Hardware and Software interrupts.

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Subject: Hardware

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Q:

Speeding is a factor in ___ % of fatal crashes.

A) 30 B) 25
C) 20 D) 15
 
Answer & Explanation Answer: A) 30

Explanation:

Speed has been identified as a key risk factor in road traffic injuries, influencing both the risk of a road crash as well as the severity of the injuries that result from crashes.

Speeding is a factor in 30 % of all fatal accidents.

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Q:

What type of macromolecule is DNA?

A) Proteins B) Carbohydrates
C) Nucleic acids D) All of the above
 
Answer & Explanation Answer: C) Nucleic acids

Explanation:

DNA stands for Deoxyribo nucleic acid. It is a nucleic acid made up of monomeric unit called Nucleotide.

A nucleotide consist of -

a) Sugar - Deoxyribose in DNA ( ribose in RNA)

b) An organic base- Adenine, cytosine, guanine.

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Q:

What are different functional units in 8086?

Answer

Bus Interface Unit and Execution unit, are the two different functional units in 8086.

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Subject: Hardware

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Q:

Lime is sometimes applied to soil in order to

A) increase the acidity of the soil B) make the soil more porous
C) restore nitrates to the soil D) increase the alkalinity of the soil
 
Answer & Explanation Answer: D) increase the alkalinity of the soil

Explanation:

Lime is sometimes applied to soil in order to increase the acidity of the soil.

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Q:

In the thermite process, the reducing agent is

A) Chlorine B) Aluminium
C) Silicon D) Iron
 
Answer & Explanation Answer: B) Aluminium

Explanation:

In the thermite process, the reducing agent is Aluminium.

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