General Science Questions

Q:

The largest source of pollution in the world is

A) herbicides and insecticides B)  Automobile exhausts
C) Sewage and garbage D)  Industrial effluents
 
Answer & Explanation Answer: C) Sewage and garbage

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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

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Q:

Which colour is formed when Blue and Green are mixed?

A) Cyan B) Brown
C) Black D) Violet
 
Answer & Explanation Answer: A) Cyan

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Q:

In terms of size, Jupiter ranks no. ___ in our Solar System.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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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:

On the basis of distribution, resources can be classified into ____________?

A) Actual resources B) Potential resources
C) Ubiquitous resources D) Abiotic resources
 
Answer & Explanation Answer: C) Ubiquitous resources

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Q:

The phenomena of raising the outer edge of the curved roads above the inner edge to provide necessary centripetal force to the vehicles to take a safe turn is called _____.

A) banking of roads B) cornering of roads
C) elevation of roads D) tempering of roads
 
Answer & Explanation Answer: A) banking of roads

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Q:

Which of the following trees shed their leaves once in a year?

A) Deciduous trees B) Coniferous trees
C) Evergreen trees D) Both deciduous and coniferous trees
 
Answer & Explanation Answer: A) Deciduous trees

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