Everyday Science MCQs

Page No. 90

What kind of weathering takes place on the valley side above the surface of the glacier?


aPlucking

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bAbrasion

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cChemical weathering

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dFrost shattering

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View Answer Frost shattering

Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?


a5 minutes

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b10 minutes

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c15 minutes

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d20 minutes

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View Answer 20 minutes

Approximately, how many times each day do our heart valves open and close normally?


a10,000

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b1,00,000

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c1,50,000

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d2,00,000

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View Answer 1,00,000

The ‘stone’ formed in human kidney consist mostly of_____________?


aCalcium oxalate

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bSodium acetate

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cMagnesium sulphate

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dCalcium

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View Answer Calcium oxalate

In eye donation, which one of the following parts of donor’s eye is utilized ?


aIris

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bLens

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cCornea

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dRetina

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View Answer Cornea

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


a300 k Calories

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b600 k Calories

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c900 k Calories

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d1200 k Calories

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View Answer 1200 k Calories

A substance which increases the efficiency of a catalyst is termed as:


aPromoter

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bActivator

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cRetarder

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dSuper catalyst

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View Answer Promoter

One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?


aMolarity

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bMolality

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cNormality

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dFormality

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View Answer Molality

“Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?


aAufbau principle

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bPauli exclusion principle

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cHund’s rule

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dPeriodic law

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Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?


aradio, visible, infrared, ultraviolet, x-ray, gamma ray

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bradio, infrared, visible, x-ray, gamma ray, ultraviolet

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cvisible, radio, infrared, ultraviolet, x-ray, gamma ray

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dradio, infrared, visible, ultraviolet, x-ray, gamma ray

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