Q:

X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?

A) Wilhelm Rontgen	B) Niels Bohr
C) Ernest Rutherford	D) Max Bon

Answer & Explanation Answer: A) Wilhelm Rontgen

Explanation:

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Filed Under: Inventions
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Q:

Which one among the following stars is nearest to the earth?

A) Sirius	B) Arcturus
C) Spica	D) Proxima Centauri

Answer & Explanation Answer: D) Proxima Centauri

Explanation:

Proxima Centauri is the nearest star, and on August 24, 2016 astronomers announced it likely has a planet. This star is the nearest of a triple star system, which we on Earth see with the eye alone as the single star Alpha Centauri, visible from Earth's Southern Hemisphere

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Filed Under: General Science
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Q:

Which component of the blood transports food, CO2 and nitrogenous waste?

A) WBCs	B) Blood platelets
C) RBCs	D) Plasma

Answer & Explanation Answer: D) Plasma

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Filed Under: Biology
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Q:

If saving exceeds investment, the national income will ___________.

A) fall	B) fluctuate
C) remain constant	D) rise

Answer & Explanation Answer: C) remain constant

Explanation:

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Filed Under: Indian Economy
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Q:

Demand is said to be elastic when the

A) change in quantity demanded is less than the change in price	B) change in quantity demanded is greater than the change in price
C) percentage change in quantity demanded is greater than the percentage change in price	D) percentage change in quantity demanded is less than the percentage change in price

Answer & Explanation Answer: B) change in quantity demanded is greater than the change in price

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Filed Under: Indian Economy
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Q:

How are elements arranged in the Modern Periodic Table?

A) In the increasing order of their Molecular Mass	B) In the increasing order of their Atomic Mass
C) In the increasing order of their Atomic Number	D) In the increasing order of their Mass Number

Answer & Explanation Answer: B) In the increasing order of their Atomic Mass

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Filed Under: Chemistry
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Q:

Which of the following is a metabolic function of skin?

A) synthesis of a vitamin D precursor	B) cutaneous sensation
C) body temperature regulation	D) elimination of nitrogenous wastes

Answer & Explanation Answer: A) synthesis of a vitamin D precursor

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Filed Under: Biology
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Q:

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

A) Rs. 400	B) Rs. 405
C) Rs. 415	D) Rs. 425

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