Biology Class 10 Bihar Board. We covered all the Biology Class 10 Bihar Board MCQs in this post for free so that you can practice well for the exam.
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Biology Class 10 Bihar Board Objective for Students
Which one of the following statements is not correct?
(a) The human eye is a refracting system containing a diverging lens.
(b) The retina of the human eye contains millions of light-sensitive cells, called rods and cones, which convert the light into electrical messages.
(c) Every image that is focused on the retina is upside down.
(d) We need both eyes to judge the relative positions of objects accurately.
Option a – The human eye is a refracting system containing a diverging lens
The human eye is like a camera and hence it contains a system of lenses. The eye lens forms
(a) A straight or upright, real image of the object on the retina.
(b) An inverted virtual image of the object on the retina.
(c) An inverted, real image of the object on the retina.
(d) A straight or upright, real image of the object on the iris.
Option c – An inverted, real image of the object on the retina
The human eyeball consists of three layers and it encloses
(a) Lens, iris, optic nerve
(b) Lens, aqueous humor, and vitreous humor
(c) Cornea, lens, iris
(d) Cornea, lens, optic nerve
Option b – Lens, aqueous humor, and vitreous humor
A color-blind person cannot differentiate between the colors
(a) Yellow and green
(b) Black and blue
(c) Red and green
(d) Blue and green
Option c – Red and green
In which medical condition is the eye’s optic nerve damaged, and the condition worsens over time?
(a) Cataract
(b) Dry Eye
(c) Age-related Macular Degeneration (AMD)
(d) Glaucoma
Option d – Glaucoma
Rajat has hypermetropia. What type of lens will the ophthalmologist recommend to correct his vision?
(a) Bifocal
(b) Concave
(c) Progressive
(d) Convex
Option d – Convex
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