Which of the part of tongue bears cells for sour taste?

A: Back

B: Front

C: Sides

D: Middle

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Sides

The toxicity of which of the following heavy metals leads to Liver cirrhosis?

A: Lead

B: Copper

C: Mercury

D: Zinc

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Copper

When Pluto was cast out from the list of Planets?

A: 28-Apr-04

B: 24-Sep-06

C: 26-Jan-06

D: 24-Aug-06

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24-Aug-06

What is the element required for solar energy conversion ______?

A: Silicon

B: Ultra pure carbon

C: Beryllium

D: Tantalum

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Silicon

Ozone layer protects the Earth from _____ radiations from the Sun.

A: infrared

B: microwaves

C: X-rays

D: ultraviolet

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ultraviolet

Nervous system includes which of these major components?

A: Brain & Back Bone

B: Brain

C: brain, spinal cord and neurons

D: None

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brain, spinal cord and neurons

“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _____?

A: Quinoline is an inhibitor

B: Nothing is impossible

C: Quinoline is a catalyst

D: Quinoline is an activator

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Quinoline is an inhibitor

The valency of carbon Atom is _____ ?

A: 2

B: 1

C: 3

D: 4

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4

A satellite moving round the earth with a uniform speed has_______?

A: No acceleration at all

B: An accelerated motion

C: Uniform acceleration

D: Uneven acceleration

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Uniform acceleration

Which Planet is known as Watery Planet?

A: Mars

B: Earth 

C: Jupiter

D: Mercury

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Earth

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