Question # 1

A beeo-sting leaves an acid which causes pain and irritation, Which type of theis acid?

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Methanoic acid

Acetic acid

Sulfuric acid

Citric acid

Light travels slower in glass than in air because?

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Refractive index of air is less than that of glass

Refractive index of air is greater than that of glass

Density of glass is less than that of air

Density of glass of greater than that of air

In which of the following do red blood cells originate?

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Bone marrow

Brain

Ligaments

Muscles

The blackboard seems black because it?

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Does not reflect any colour

Reflects every colour

Absorbs black colour

Reflects black colour

Which vitamin is essential for the formation if collagen?

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Vitamin K

Vitamin D

Vitamin C

Vitamin A

In chemistry you might hear the term kinetic energy. What exactly is kinetic energy

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The total amount of energy released when an object collides with an immoveable object

The amount of times in a minute an atom vibrates

The energy possessed by matter due to its motion

The amount of times in a second an atom vibrates

Law of electrolysis is was given by

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Faraday

Maxwell

Lenz

Bohr

The ray with high penetrating power is

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α-rays

β-rays

γ-rays

χ-rays

Who invented the internal combustion engine:

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Ford

Otto

Benz

Diamler

Conclusion in infants is caused due to the deficiency of

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Iodine

Vitamin D

Vitamin B-6

Vitamin C

Which was the first company in the world to manufacture computers for commercial use ?

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Remington Rand

IBM

Hewlett-Packard

Apple computers

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