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 General Science Questions

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Q:

Limonitic ore is the ore of which metal?

A) Iron B) Aluminium
C) Zinc D) Cobalt
 
Answer & Explanation Answer: A) Iron

Explanation:

Limonite is one of the two principal iron ores, the other being hematite, and has been mined for the production of iron.

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Q:

Which of the following causes fly ash?

A) Hydroelectric Power Station B) Coal Combustion Power Plant
C) Nuclear Power Plant D) Tidal Power Plant
 
Answer & Explanation Answer: B) Coal Combustion Power Plant

Explanation:
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Q:

What does BOD5 refer to?

A) Biochemical Oxygen Demand in 5 days B) Biochemical Oxygen Demand in 5 hours
C) Biochemical Oxygen Demand in 5 minutes D) Biochemical Oxygen Demand in 5 Months
 
Answer & Explanation Answer: A) Biochemical Oxygen Demand in 5 days

Explanation:
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Q:

Which of the following gases emitted from automobile exhaust is poisonous?

A) Carbon monoxide B) Carbon dioxide
C) Hydrocarbons D) Sulphur dioxide
 
Answer & Explanation Answer: A) Carbon monoxide

Explanation:
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Q:

Which one of the following statements with regard to volcanoes is not correct?

A) Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion. B) The surrounding areas can remain highlands, lava ridges or mesas.
C) Hawaiian shield volcanoes are eroded by steams that form deeply carved valleys with steeply sloping heads. D) The system of streams on a dissected volcano cone is not a radial drainage pattern.
 
Answer & Explanation Answer: D) The system of streams on a dissected volcano cone is not a radial drainage pattern.

Explanation:

Stratovolcano,    also    known    as acomposite  volcano,  is  aconical volcanobuilt  up  by  many  layers (strata) of hardened lava, tephra, pumice and ash. Because it is stratified, therefore  it  will  definitely  form  a volcano cone.

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Q:

The innermost layer is the core with a radius of about ___________ km.

A) 500 B) 6500
C) 9500 D) 3500
 
Answer & Explanation Answer: D) 3500

Explanation:
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Q:

Which acid is released when an Ant bites?

A) Hydrochloric Acid B) Formic Acid
C) Acetic Acid D) Phosphoric Acid
 
Answer & Explanation Answer: B) Formic Acid

Explanation:
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Q:

Which of these resources cannot be renewed?

A) Coal B) Petroleum
C) Natural gas D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

Non-renewable resources are those natural resources that are available in limited quantity.

These resources cannot be renewed or replenished in short duration.

Examples are :: Natural gas, Petroleum, Coal,...

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