Everyday Science MCQs

Page No. 110

The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?


aSelective absorption of light


bSelective erection of light


cInterference of light


dNatural colour pattern of feathers



What is the average adult pulse rate?


a140-150


b115-125


c72-80


d60


View Answer 72-80

When a person enters a dark room from bright light he is not able to see clearly for a little while because the?


aEye is unable to adjust itself immediately


bRetina becomes insensitive momentarily


cIris is unable to dilate the pupil immediately


dDistance between the lens and retina take time to adjust



Which part of the Camera is analogue to the retina in the human eye?


aLens


bFilm


cAperture


dShutter


View Answer Film

Dolly is the name of the ?


aFirst cloned sheep


bFirst cloned monkey


cFirst test-tube baby


dFirst human fossil


View Answer First cloned sheep

The most important stimulant in tea leaves is?


aBrucine


bCaffeine


cPhenylalanine


dTheine


View Answer Caffeine

ECG is used for the diagnosis of aliments of ?


aBrain


bHeart


cKidneys


dLungs


View Answer Heart

Trachoma is a disease of the___________?


aLiver


bEyes


cLungs


dKidneys


View Answer Eyes

Short-sightedness can be corrected by using ___________?


aConvex lens


bConcave lens


cConvex-concave lens


dConcave-convex lens


View Answer Concave lens

Leukemia is a disease of the___________?


aLungs


bBlood


cSkin


dNerves


View Answer Blood

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