General Science Questions

Q:

The concept of carbon credit originated from

A) G-8 Summit, Hciligendamm B) Earth Summit, Rio de Janeiro
C) Montreal Protocol D) Kyoto Protocol
 
Answer & Explanation Answer: D) Kyoto Protocol

Explanation:

The concept of carbon credit for manufacturers originated with the Kyoto Agreement (Protocol) of 1997.

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Q:

What is Iron Ore used for?

A) Aluminium B) Copper
C) Steel D) Brass
 
Answer & Explanation Answer: C) Steel

Explanation:

The primary use of iron ore is in the production of iron. Most of the iron produced is then used to make steel. Steel is used to make automobiles, locomotives, ships, beams used in buildings, furniture, paper clips, tools, reinforcing rods for concrete, bicycles, and thousands of other items.

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Q:

Excessive use of which ofthe following fertilizers may be responsible for the presence of a toxic substance in groundwater?

A) Nitrogen B) Phosphate only
C) Potassium only D) Phosphate and potassium
 
Answer & Explanation Answer: A) Nitrogen

Explanation:

Excessive use of nitrate including manure may be responsible forthe presence of toxic substance in groundwater. Phosphate can also enter the groundwater via excessive use of fertilizers. High application rates of nitrogen containing fertilizers combined with the high-water solubility of nitrate, leads to increased runoff into surface water as well as leaching into groundwater, thereby causing groundwater pollution.

Only a fraction of the nitrogen-based fertilizers, is converted to produce and other plant matter. Nitrate pollution in groundwater comes from pit latrines, it can cause blue baby syndrome.

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Q:

DNA fingerprinting is used to identify the

A) Rapist B) Parents
C) Thieves D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

DNA fingerprinting is used to identify the parents, thieves and rapists.

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Q:

Warts are contagious.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Yes. Warts are contagious.


You can get warts from touching a wart on someone else's body or by coming in contact with surfaces that touched someone's warts, such as towels or bathmats.


warts_are_contagious1532510865.jpg image


 


Hence, the given statement that, 'Warts are contagious' is TRUE.

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Q:

Which of the following is a characteristic of all minerals?

A) Crystalline solids B) Minerals are inorganic
C) All minerals are formed in a natural process D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Common properties of Minerals are :

 

1. All minerals are formed in a natural process.

2. Minerals are inorganic

3. Minerals are crystalline solids.

4. Every mineral is an element or compound with a definite chemical composition.

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Q:

During which process is water produced?

A) Acetyl COA formation B) Electron transport chain
C) Alcohol fermentation D) citric acid cycle
 
Answer & Explanation Answer: B) Electron transport chain

Explanation:
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Q:

Alcohol has many sensations and effects like

A) loss of concentration B) dizziness
C) nausea D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Alcohol has many sensations and effects like dizziness, nausea and loss of concentration.

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