Question # 1

A boat full of scrap of iron is floating on water in large tank. If all the iron is dropped into water the level of water will

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Go up

Go down

Remain the same

None of them

Which instrument is used for measuring humidity of air (atmosphere)

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Hygrometer

Hydrophone

Hydrometer

Heliscope

who invented the first Stethoscope?

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Lewis Latimer

Rene Laennec

Robert Ledley

Irving Langmuir

What is the responsible of diphtheria and influenza?

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Virus and bacteria respectively

Bacteria and virus respectively

Bacteria

Water pollution

Water has maximum density at?

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0°C

4°C

4.8°C

Virus causes

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Cholera

Typhus

Typhoid

Scurvy

In 1945, Percy Spencer stumbled on the principle of a kitchen gadget buy carrying chocolate into a radiation lab, he also ruined a perfect suit, name the product.

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Microwave oven

Electric oven

Juicer, Mixer and Grinder

Toaster

Which among the following is an element:

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Alumina

Brass

Graphite

Silica

Which of the following is not an infectious disease?

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AIDS

Chicken Pox

Herpes simple

Mumps

Which of the following has more speed

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Speed of light

Sound

Train

Water

The smallest of all human cells are?

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Nerve cells

WBCs

Epithelial cells

RBCs

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