The average heartbeat per minute in a normal man is ____?

A: 70

B: 50

C: 80

D: 100

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70

Which of the following have maximum calorific value?

A: Fats

B: Carbohydrates

C: Proteins

D: Vitamins

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Fats

Air contains maximum amount of_____?

A: nitrogen

B: oxygen

C: hydrogen

D: carbon dioxide

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nitrogen

Siemens is the unit of________?

A: Magnetic Conductance

B: Electrical Conductance

C: Electrical Capacitance

D: Magnetic Capacitance

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Electrical Conductance

The volume of Blood in a Human body to be approximately ____ of body weight?

A: 7%

B: 6%

C: 8%

D: 9%

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7%

Severe deficiency of Vitamin D results in _____.

A: rickets

B: scurvy

C: night blindness

D: None of these

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rickets

The property by virtue of which metals can be beaten into thin sheets is known as?

A: Malleability 

B: Ductility

C: Conductivity

D: Density

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Malleability

People living in high altitudes (like mountains) usually have a ____?

A: larger number of Red Blood Cells

B: smaller number of Red Blood Cells

C: smaller number of White Blood Cells

D: larger number of White Blood Cells

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larger number of Red Blood Cells

Which stone floats on water?

A: Lime stone

B: Pumice stone

C: Basalt stone

D: Quartzite stone

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Pumice stone

How many hearts an Octopus has?

A: 8

B: 10

C: 5

D: 3

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