General Knowledge Questions

Q:

An atom that loses or gains electrons is called

A) Proton B) Ion
C) Isotope D) Neutron
 
Answer & Explanation Answer: B) Ion

Explanation:

An atom that loses or gains electrons is called as ion. Gaining of electron is negative charge and is called as Anion and lossing of eectron is called Cation.

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Q:

Which process removes carbon dioxide from the atmosphere?

A) Combustion B) Photosynthesis
C) Respiration D) All of the above
 
Answer & Explanation Answer: B) Photosynthesis

Explanation:

Photosynthesis process removes carbon dioxide from the atmosphere. Green plants remove carbon dioxide from the atmosphere by photosynthesis. 

The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion. 

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Q:

Nematodes and arthropods both

A) are suspension feeders B) have ciliated larvae
C) develop an anus from the blastopore (pore) formed in the gastrula stage D) grow by shedding their exoskeleton
 
Answer & Explanation Answer: D) grow by shedding their exoskeleton

Explanation:
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Q:

Innate immune system defenses include

A) phagocytosis B) B cells
C) plasma cells D) T cells
 
Answer & Explanation Answer: A) phagocytosis

Explanation:
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Q:

Which action is an example of direct democracy?

A) voting for the recall of a state governor B) serving as an official in the local government
C) protesting unfavorable government legislation D) electing a member to the state senate
 
Answer & Explanation Answer: A) voting for the recall of a state governor

Explanation:
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Q:

Improve the bracketed part of the sentence.
The student of human history can draw on many more natural experiments (than) just comparisons among the five inhabited continents.

A) to B) of
C) for D) no improvement
 
Answer & Explanation Answer: D) no improvement

Explanation:
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Q:

Chhatrapati Shivaji Maharaj International Airport is located in?

A) Mumbai B) Hyderabad
C) Chennai D) New Delhi
 
Answer & Explanation Answer: A) Mumbai

Explanation:

Chhatrapati Shivaji Maharaj International Airport is located in Mumbai.

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Q:

Which country will become world’s biggest retail market in 2019?

A) Japan B) China
C) India D) US
 
Answer & Explanation Answer: B) China

Explanation:
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