Water is a highly effective coolant for a car engine because _________...? Mcqs

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Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

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For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________...?

(A) Less than the gravitational potential energy of the body
(B) Equal to the gravitational potential energy of the body

(C) Greater than the gravitational potential energy of the body
(D) None of the above

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Numerical value of G is ______...?

(A) G = 6.673 10^-11 Nm^2 kg^-2
(B) G = 6.673 10^11 Nm^2 kg^-2

(C) G = 6.763 10^-11 Nm^2 kg^-2
(D) G = 6.763 10^11 Nm^2 kg^-2

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Primatology is the study of: _________...?

(A) Human Behavior
(B) Primates

(C) Animals and Plants
(D) Forests

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What is the major source of release of direct pollutants in air pollution...?

(A) Air
(B) Fuel

(C) Gas
(D) None

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Dyne is a unit of _______...?

(A) Quantity
(B) Force

(C) Pressure
(D) Depth

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Which of the following is secreted by liver and stored in the gallbladder...?

(A) Saliva
(B) Bile

(C) Gastric juice
(D) Pancreatic juice

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The maximum number of electrons can be filled in the first shell of an atom are _____....?

(A) 2 electrons
(B) 8 electrons

(C) 18 electrons
(D) 4 electrons

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Which of the following is liquid fuel ...?

(A) Patrol
(B) Kerosene

(C) Paraffin oil
(D) All of above

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There are almost _______of nephrons in the each kidney in human body...?

(A) 5 million
(B) 3 million

(C) 1 million
(D) 10 million

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