Question # 1

What is the PH of water?

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9

6

7

8

The unit for measuring intensity of Noise is called?

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Knot

Calorie

Ohm

Decibel

Solder is an alloy of

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Brass and copper

Aluminum and brass

Aluminum and zinc

Tin and lead

Deficiency of vitamin ___causes:

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Vitamin K

Vitamin C

Vitamin A

Vitamin D

Sum of the age A and B at present is 7 times the difference in their age. After five years, the sum of their ages will be 9 times the difference in their ages, the present age of he elder of the tow is therefore

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10 years

20 years

35 years

None of these

The pH of human blood is between:

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6.5

7.4

8.9

4.5

What is the study of fossils?

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Taxidermy

Stenography

Paleontology

Hematology

Who invented the floppy disk?

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Intel Corporation

IBM

Digital Corporation

Dell

The lenses which is used in photography is?

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Convex lenses

Plastic lenses

Concave lenses

None of these

Recording of the brain waves form outer surface of head is called

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E.C.G

MRI

C.T.Scan

E.E.G

Where was lipstick invented?

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USA

Australia

Turkey

Egypt

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