Everyday Science MCQs

Page No. 17

Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?


aZeolites


bSulphonides


cLime


dNitrates


View Answer Zeolites

What is the Chemical formula of Zinc Hydroxide _________ ?


aZnO2


bZn(OH)2


cZn2(OH)3


dZnOH


View Answer Zn(OH)2

The valency of carbon Atom is __________ ?


a1


b2


c3


d4


View Answer 4

What is the Medical term for Fever?


aHypothermia


bPyrexia


cHypertension


dThermophilia


View Answer Pyrexia

Disease which transferred from animal to Human is_________?


aSporadic


bEpidemic


cEndemic


dZoonosis


View Answer Zoonosis

In context of environment, the term “dirty dozen” refers to _____?


a12 most harmful greenhouse gases


b12 ozone depleting substances


c12 persistent organic pollutants


dNone of the above



Only male frog produce croacking sound because _________ ?


aMale frog can magnify their voice with the help of sound box.


bMale frog have three pair of vocal cord


cFemale frog have larynx but no vocal cord


dFemale frog have no larynx



During rainy season Wooden doors are difficult to open or closure because of ________ ?


aPlasmolysis


bImbibition


cOsmosis


dDiffusion


View Answer Imbibition

The Study of growth is called ______ ?


aAuxology


bAutology


cAvionics


dAxiology


View Answer Auxology

How many Number of eyes found in Earthworm?


aOne


bMany


cNo eye


dTwo


View Answer No eye

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