Everyday Science MCQs

Page No. 17

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


aZeolites

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bSulphonides

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cLime

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dNitrates

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View Answer Zeolites

What is the Chemical formula of Zinc Hydroxide _________ ?


aZnO2

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bZn(OH)2

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cZn2(OH)3

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dZnOH

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View Answer Zn(OH)2

The valency of carbon Atom is __________ ?


a1

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b2

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c3

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d4

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View Answer 4

What is the Medical term for Fever?


aHypothermia

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bPyrexia

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cHypertension

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dThermophilia

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View Answer Pyrexia

Disease which transferred from animal to Human is_________?


aSporadic

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bEpidemic

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cEndemic

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dZoonosis

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View Answer Zoonosis

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


a12 most harmful greenhouse gases

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b12 ozone depleting substances

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c12 persistent organic pollutants

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dNone of the above

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Only male frog produce croacking sound because _________ ?


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

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bMale frog have three pair of vocal cord

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cFemale frog have larynx but no vocal cord

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dFemale frog have no larynx

✓



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


aPlasmolysis

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bImbibition

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cOsmosis

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dDiffusion

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View Answer Imbibition

The Study of growth is called ______ ?


aAuxology

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bAutology

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cAvionics

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dAxiology

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View Answer Auxology

How many Number of eyes found in Earthworm?


aOne

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bMany

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cNo eye

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dTwo

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View Answer No eye

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