ICSE Class 10 c10humaneye — practice questions
28 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ICSE Class 10 c10humaneye in the app →Light enters the eye through a thin membrane called the:Which structure controls the size of the pupil?What does the pupil regulate?The focal length of the eye lens is changed by which muscles?The ability of the eye to focus at different distances is called:The near point of a young adult with normal vision is about:The far point of a normal eye is at:A normal eye sees clearly between 25 cm and:A crystalline lens turning milky and cloudy in old age causes:How many common refractive defects of vision are described?A person with myopia can clearly see objects that are:In a myopic eye, the image of a distant object forms:Which is a cause of myopia?Myopia is corrected using which lens?A person with hypermetropia can clearly see objects that are:In a hypermetropic eye, light from a near object focuses:Which is a cause of hypermetropia?Hypermetropia is corrected using which lens?Loss of the power of accommodation with ageing is called:Presbyopia arises from weakening of which muscles?A person with both myopia and hypermetropia needs which lenses?The acronym for the colours of the spectrum is:Who was the first to use a glass prism to obtain the spectrum?The twinkling of a star is due to atmospheric:Why do planets not twinkle?Scattering of light by colloidal particles gives rise to the:The sky is blue because the atmosphere scatters light of:Red is used for danger signals because it is: