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Q:

Deep fried foods are carcinogenic because they are rich in

A) Nicotine B) Hydrocarbons
C) Fats D) All of the above
 
Answer & Explanation Answer: C) Fats

Explanation:

Deep fried foods are carcinogenic because they are rich in fats.

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Filed Under: Biology
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Q:

The substance which makes natural rubber more strong and bouncy?

A) Chlorine B) Sulphur
C) Sponge D) Polythene
 
Answer & Explanation Answer: B) Sulphur

Explanation:

Sulfur vulcanisation is a chemical process for converting natural rubber or related polymers into more durable materials by heating them with sulfur. By this they achieve improved elasticity, resilience, tensile strength, viscosity, hardness and weather resistance.

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Filed Under: General Science
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Q:

A kilowatt-hour is unit of

A) Power B) Electric charge
C) Energy D) Electric current
 
Answer & Explanation Answer: C) Energy

Explanation:

The kilowatt hour (kW⋅h) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.

One watt is equal to 1 J/s. One kilowatt hour is 3.6 megajoules.

 

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Filed Under: Physics
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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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Filed Under: Biology
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Q:

A universal recipient blood group belongs to

A) O B) A
C) B D) AB
 
Answer & Explanation Answer: D) AB

Explanation:

In transfusions of packed red blood cells, individuals with type O Rh D negative blood are often called universal donors. Those with type AB Rh D positive blood are called universal recipients.

The immune system of a person with AB blood will accept blood from all possible donors, whether they have O, A, B, or AB blood. Since both A and B antigens are present in a person with AB blood, the recipient won't reject the blood. The body identifies that blood as "self" rather than "foreign."

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Filed Under: General Science
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Q:

Which lenses should be used to correct the defect of astigmatism?

A) Convex lens B) Bifocal lens
C) Concave lens D) Cylindrical lens
 
Answer & Explanation Answer: D) Cylindrical lens

Explanation:

Astigmatism is a common vision condition that causes blurred vision. It occurs when the cornea is irregularly shaped or sometimes because of the curvature of the lens inside the eye.

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Filed Under: Physics
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Q:

Only genius can solve this puzzle?

genius_maths_puzzle1564054544.jpg image

A) 36 B) 40
C) 48 D) 60
 
Answer & Explanation Answer: C) 48

Explanation:

In the given puzzle the logic is

2 x 1 + 1 = 2 + 1 = 3

3 x 2 + 2 = 6 + 2 = 8

4 x 3 + 3 = 12 + 3 = 15

5 x 4 + 4 = 20 + 4 = 24

6 x 5 + 5 = 30 + 5 = 35

Similarly,

7 x 6 + 6 = 42 + 6 = 48

7 = 48.

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Filed Under: Math Puzzles
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Q:

Electrostatic precipitator is used to control

A) Water pollution B) Noise pollution
C) Air pollution D) Solid waste
 
Answer & Explanation Answer: C) Air pollution

Explanation:

Electrostatic precipitator is used to control Air pollution. An electrostatic precipitator is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit.

                         Electrostatic_precipitator_is_used_to_control1564054124.png image

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Filed Under: Physics
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