Which is not a cause of land pollution...? Mcqs

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Which is not a cause of land pollution...?

(A) Plastic bags, bottles, glass bottles, tin cans
(B) Vegetables and fruit cutting

(C) Animal wastes
(D) All of these are causes of land pollution

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The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ...?

(A) red waves
(B) Infrared waves

(C) Ultrasonic
(D) super sonic

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Carpology is a discipline devoted to the study of what...?

(A) Corbons
(B) Cubes

(C) Seeds and fruits
(D) Infertile soils

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What is total area of the earth...?

(A) 510.94 million km²
(B) 492.102 million km²

(C) 392.023 million km²
(D) 692.192 million km²

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A doctor who specializes in diseases of the nose...?

(A) Rhinologist
(B) Otologist

(C) Pathologist
(D) Podiatrist

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The most abundant element in human body is __________...?

(A) Hydrogen
(B) Blood

(C) Oxygen
(D) Protein

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Centrifugal force is always directed _____...?

(A) Towards centre
(B) Away from centre

(C) Along the circular path
(D) All sides

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Parkinson is a disease of____________...?

(A) Eyes
(B) Brain

(C) Heart
(D) Lungs

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When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?

(A) Visible
(B) Transparent

(C) Invisible
(D) opaque

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The speed of sound is maximum in _____...?

(A) Gases
(B) Solids

(C) Liquids
(D) Plasma

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