Everyday Science MCQs

Page No. 90

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


aPlucking


bAbrasion


cChemical weathering


dFrost shattering


View Answer Frost shattering

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


a5 minutes


b10 minutes


c15 minutes


d20 minutes


View Answer 20 minutes

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


a10,000


b1,00,000


c1,50,000


d2,00,000


View Answer 1,00,000

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


aCalcium oxalate


bSodium acetate


cMagnesium sulphate


dCalcium


View Answer Calcium oxalate

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


aIris


bLens


cCornea


dRetina


View Answer Cornea

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


a300 k Calories


b600 k Calories


c900 k Calories


d1200 k Calories


View Answer 1200 k Calories

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


aPromoter


bActivator


cRetarder


dSuper catalyst


View Answer Promoter

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


aMolarity


bMolality


cNormality


dFormality


View Answer Molality

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


aAufbau principle


bPauli exclusion principle


cHund’s rule


dPeriodic law



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


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


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


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



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