Question # 1

A ball bounce higher at high altitudes than on plains, because

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The pressure at higher altitudes than on plains, because

The downward pull due to gravity is higher altitudes is higher than that on plains

The Rarefied air offers less resistance to the ball

The air is more pure at higher altitudes

Which Indian co-founder of Hotmail in 1996 and Hotmail sold the company to Microsoft?

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Sabeer Bhaitia

Alan turing

Ada Byron Lovelace

Bill gates

Temperature generally decrease towards the poles because:

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Air movement is generally towards the equator

Cold polar air masses prevent surface heating of the land

Clod surfaces do not absorb solar energy as readily as warm surfaces

Progressively lesser solar e4nerfgy per unit area falls on the earth's surface as we move to polar regions

Laszlo and geog Biro invented which place of writing instrument in 1938?

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Ballpoint Pen

Jet plane

Hovercraft

Fountain Pen

Conclusion in infants is caused due to the deficiency of

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Iodine

Vitamin D

Vitamin B-6

Vitamin C

Which endocrine gland produces melatonin?

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Pineal gland

Thymus

Pituitary gland

Adrenal cortex

Which one among the following is the major cause of blurring and unsharp images of objects observe through very large telescope at the extreme limit of magnification?

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Varying density of air in the Earth's atmosphere

Poor tracking capacities of telescopes

Air turbulence of earth's atmosphere

Poor optical polish achievable on large mirrors

The study of motion of gas on objects and the forces created?

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Aerodynamics

Xylography

Hydroponics

Cryptography

Optical fibers are the fine strand s of

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Glass

Iron

Calcium

Mercury

N₂ content is kept constant in the biosphere due to:

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N_{2 fixation}

Industrial pollution

Nitrogen cycle

Absorption of N₂

Vitamin are classified as being either water soluble or fat soluble vitamin?

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A and K

C and K

A and C

D and B-12

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