HomeCLASS 10 SCIENCE-PHYSICSHUMAN EYE AND COLORFUL WORLD - CLASS 10 - MCQ 1 HUMAN EYE AND COLORFUL WORLD - CLASS 10 - MCQ 1 Quiz Q1. A student sitting on the last bench can read the letters written on the blackboard but is not able to read / the letters written in his textbook. Which of the following statements is correct? The near point of his eyes has receded away. The near point of his eyes has come closer to him. The far point of his eyes has come closer to him. The far point of his eyes has receded away. Q2. When light rays enter the eye, most of the refraction occurs at the Crystalline lens Outer surface of the cornea Iris Pupil Q3. Which of the following statement is correct? A person with myopia can see distant objects clearly. A person with hypermetropia can see nearby objects clearly. A person with myopia can see nearby objects clearly. A person with hypermetropia cannot see distant objects clearly. Q4. Type of lens used in correction of myopia Convex lens Concave lens Reflecting lens None of these Q5. Type of lens used in correction of hypermetropia Convex lens Concave lens Reflecting lens All of the above Click for Acids, bases and salts Question and Answer Q6. Myopia may arise due to Excessive curvature of the eye lens Elongation of the eyeball Both None of these Q7. A dark muscular membrane which controls size of pupil eye iris cornea retina Q8. Least distance of distinct vision for normal eye is 25 cm 30 cm 28 cm 20 cm Q9. Farthest point of a normal eye is 100 cm 1 km 1500 km infinity Q10. Crystalline lens of people at old age becomes milky and cloudy. This condition is called myopia lever cataract None of these Click for Light -MCQ test Q11. Bifocal lens is used in myopia lever cataract Presbyopia Q12. The black opening between the aqueous humour and the lens is called retina iris cornea pupil Q13. Near and far points of a young person normal eye respectively are 0 and infinity 0 and 25 cm 25 cm and infinity 25 cm and 150 cm Q14. The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called Long-sightedness Far-sightedness Hypermetropia All of the above Q15. The ability of eye lens to adjust its focal length to form a sharp image of the object at varying distances on the retina is called Power of observation of the eye Power of adjustment of the eye Power of accommodation of the eye Power of enabling of the eye Click for Life Processes- MCQ test Q16. Myopia and hypermetropia can be corrected by Concave and plano-convex lens Concave and convex lens Convex and concave lens Plano-concave lens for both defects Q17. Bi-focal lens are required to correct astigmatism coma myopia presbyopia Q18. The image formed on the retina of the human eye is virtual and inverted real and inverted real and erect virtual and erect Q19. The change in focal length of human eye is caused due to – Ciliary muscles Pupil Cornea Iris Q20. The persistence of vision for human eye is- 1/10th of a sec 1/16th of a sec 1/6th of a sec none of these Submit Your Answers Newer Older
