General Science Questions

Q:

What are proteins made from?

A) Nucleotides B) Nucleic acids
C) Aminoacids D) Ethylene
 
Answer & Explanation Answer: C) Aminoacids

Explanation:

Proteins are made from chain of aminoacids.

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Q:

Dolomite power is applied in some agricultural lands. The purpose of applying it is to

A) increase the pH of the soil B) lower the pH of the soil
C) increase the phosphorus content of the soil D) increase the nitrogen content of the soil
 
Answer & Explanation Answer: A) increase the pH of the soil

Explanation:

Dolomite is a limestone compound that contains calcium and magnesium. It provides valuable nutrients to plants and helpschange the pH of the soil by raising it to match the plants' needs. It evenprovides more nutrients than straight lime. It is often used in addition to balanced fertilizers, particularly with seeding fruit.

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Q:

Azolla increases soil fertility for ....

A) maize cultivation B) wheat cultivation
C) barley cultivation D) rice cultivation
 
Answer & Explanation Answer: D) rice cultivation

Explanation:
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Q:

Annona squamosa is the scientific name of

A) Custard Apple B) Papaya
C) Babhul D) Drumstick
 
Answer & Explanation Answer: A) Custard Apple

Explanation:
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Q:

Name the catalyst used in the conversion of milk into curd.

A) Pepsin B) Invertase
C) Lactase D) Diastase
 
Answer & Explanation Answer: C) Lactase

Explanation:
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Q:

Which one of the following air pollutants combines with the haemoglobin of human blood and reduces its oxygen-carrying capacity, leading to suffocation and may cause even death?

A) Chlorofluorocarbon B) Fly ash
C) Carbon monoxide D) Sulphur dioxide
 
Answer & Explanation Answer: C) Carbon monoxide

Explanation:

Carbon monoxide (CO) is very dangerous because it binds with the haemoglobin more efficiently than oxygen does. It "hogs the seats" so that oxygen can't get a ride. And those CO molecules keep riding around, never giving their seats up to the oxygen. This means there is no way to get oxygen to the brain, heart, or other cells and those cells start to die. And finally, it leads to suffocation and even death of a person.

 

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Q:

How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?

A) 30 days B) 24 hours
C) 365 days D) 12 hours
 
Answer & Explanation Answer: B) 24 hours

Explanation:
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0 1603
Q:

A hard coal containing little volatile matter is called ______.

A) Loess B) Anthracite
C) Atoll D) Lava
 
Answer & Explanation Answer: B) Anthracite

Explanation:
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