General Knowledge Questions

Q:

The flow of thermal energy is called

A) Heat B) Current
C) Voltage D) Potential
 
Answer & Explanation Answer: A) Heat

Explanation:

The flow of thermal energy due to differences in their temperatures is called Heat.

The_flow_of_thermal_energy_is_called1558527324.png image

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Q:

Oxidation number of S8?

A) +1 B) -2
C) +2 D) 0
 
Answer & Explanation Answer: D) 0

Explanation:

S8 is an elemental form of sufur. In elemental form it can't be reduced or oxidized. Hence, it oxidation number is zero and thus sulfur is zerovalent here.

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Q:

Radiocarbon is produced in the atmosphere as a result of

A) collision between fast neutrons and nitrogen nuclei present in the atmosphere B) action of ultraviolet light from the sun on atmospheric oxygen
C) action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere D) lightning discharge in atmosphere
 
Answer & Explanation Answer: A) collision between fast neutrons and nitrogen nuclei present in the atmosphere

Explanation:
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Q:

What is the purpose of balancing chemical equations?

A) law of conservation of energy B) law of conservation of mass
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) law of conservation of mass

Explanation:

The main purpose of balancing chemical equations is to make the mass of reactants is equal to mass of products obtained after the reaction. Hence, to make law of conservation of mass is purpose of balancing chemica equations.

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Q:

How many member countries are there in Shanghai Cooperation Organisation (SCO) ?

A) 5 B) 7
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

Explanation:

There are six permanent members: China, Kazakhstan, Kyrgyzstan, Russia, Tajikistan, Uzbekistan. Soon India and Pakistan will also join it.

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Q:

Veins seen in the leaves, serve the function of

A) Transpiration B) Photosynthesis
C) Storage D) Conduction
 
Answer & Explanation Answer: A) Transpiration

Explanation:

Veins seen in the leaves, serve the function of Transpiration.

Related image

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. 

 

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Q:

Which area best lends itself to the formation of fossils?

which_area_best_lends_itself_to_the_formation_of_fossils1538734185.jpg image

A) near active volcano B) lake beds
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Area near active volcano or lake beds are best areas that lends itself to the formation of fossils.

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Q:

Type of government in Nigeria today?

A) Federal B) Republic
C) Presidential system D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Nigeria, an African country on the Gulf of Guinea. 

 

Nigeria has a Federal Republic and Presidential system of Government.

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