An iceberg is floating in sea. How much of its mass will remain above the surface of water?

A: One fifth

B: One tenth

C: One fourth

D: One third

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One tenth

What natural phenomena are measured by the Richter Scale?

A: Typhoons

B: Volcanoes

C: Earth quacks  

D: Tsunami

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Earth quacks

The coldest region of the Earth’s atmosphere is_____?

A: Thermosphere

B: Exosphere

C: Stratopause

D: Mesopause

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Mesopause

The element used in lead pencils is_____?

A: Lead

B: Zinc

C: Carbon

D: Tin

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Carbon

A glass chimney stops an oil lamp from smoking because:

A: The heat produced ensures complete

B: It increases the supply of oxygen to the flame by convection

C: Both to these

D: Neither of these

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Both to these

The Scientist who told “Heat is a form of Energy” was______?

A: Newton

B: Thomas Alva Edison

C: Joule

D: Kepler

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Joule

A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to_______?

A: Spread out his weight and reduce the pressure on the rope

B: Prop him up if he falls

C: Add extra weight to keep the rope tightly stretched

D: To keep the centre of gravity always vertically above the rope

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To keep the centre of gravity always vertically above the rope

Which of the following is a function of Vitamin A in the body?

A: Immune defenses, maintenance of body linings and skin

B: Vision, bone and body growth

C: Normal cell development and reproduction

D: All of the above

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All of the above

The amount of energy required by the children of age between one to three years is______?

A: 600 k Calories

B: 300 k Calories

C: 900 k Calories

D: 1200 k Calories

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1200 k Calories

How many latitude lines are there?

A: 180

B: 90

C: 270

D: 360

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180

1 118 119 120 121 122 126