General Knowledge Questions

Q:

What unit is used to measure weighted average atomic mass?

A) amu B) gram/mole
C) Both A & B D) 1/mole
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The unit which is used to measure weighted average atomic mass is Atomic Mass Unit (amu).

The amu or gram/mole can also be used for this measure.

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Q:

What compound directly provides energy for cellular work?

A) ATP B) ADP
C) NADP D) NADH
 
Answer & Explanation Answer: A) ATP

Explanation:

ATP - Adinosine Triphosphate is the compound that directly provides energy for cellular work.

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Q:

Which of the following is a function of Earth's atmosphere?

A) supplies the oxygen and water for life B) screens out much of the Sun's ultraviolet radiation
C) insulates the surface against temperature extremes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the options given are important functions of Earth's atmosphere.

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Q:

Which best describes Genes?

A) long, double chains of nucleic acids. B) long, single chains of amino acids.
C) long, single chains of nucleic acids. D) long, double chains of amino acids.
 
Answer & Explanation Answer: A) long, double chains of nucleic acids.

Explanation:

Gene is a segment of chromosomal DNA or a sequence of DNA or RNA that codes for a molecule that has a function. It is the basic physical and functional unit of heredity.

 

As genes are made up of DNA it impies that they are long, double chains of nucleic acids as DNA is made of nucleic acids.

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Q:

Which gas is a source of natural groundwater pollution?

A) Helium B) Krypton
C) Radon D) Argon
 
Answer & Explanation Answer: C) Radon

Explanation:

Radon gas is a source of natural groundwater pollution.

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Q:

Which of the following is a renewable resource of energy?

A) Hydrogen fuel B) Wind energy
C) Solar energy D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

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Q:

Bilateral monopoly occurs where

Answer

Bilater monopoly occurs in a market where a single seller i.e, a only one monopoly and a single buyer i.e, one monopsony exists.

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Q:

In oceania, most towns began as

A) Colonial ports B) plantations
C) tribal ritual centers D) capital cities
 
Answer & Explanation Answer: A) Colonial ports

Explanation:

Oceania is a geographic region comprising Melanesia, Micronesia, Polynesia and Australasia. In Oceani, most towns began as Colonial Ports.

oceania1532071449.jpg image

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