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Science
The Human Eye and the Colourfu...

Question Bank

TH

Question Bank: The Human Eye and the Colourful World

Explore the fascinating workings of the human eye and the science behind the colorful world we perceive, including vision defects and the dispersion of light.

Question Bank - The Human Eye and the Colourful World

View all (50)
Q1.

What is the function of the lens in the human eye?

Single Answer MCQ
Q-00001678
Q2.

How does the human eye adjust its focal length to focus on objects at different distances?

Single Answer MCQ
Q-00001679
Q3.

What is the near point of the eye or the least distance of distinct vision for a young adult with normal vision?

Single Answer MCQ
Q-00001680
Q4.

How is myopia corrected in vision?

Single Answer MCQ
Q-00001681
Q5.

How is hypermetropia corrected in vision?

Single Answer MCQ
Q-00001682
Q6.

What is the phenomenon of dispersion in the context of light?

Single Answer MCQ
Q-00001683
Q7.

Why does the sky appear blue during the day?

Single Answer MCQ
Q-00001684
Q8.

Explain the Tyndall effect and how it makes particles visible.

Single Answer MCQ
Q-00001685
Q9.

Why does the sky appear dark to passengers flying at very high altitudes?

Single Answer MCQ
Q-00001686
Q10.

What is the power of accommodation of the human eye?

Single Answer MCQ
Q-00001687
Q11.

How does the eye lens adjust its curvature to change its focal length?

Single Answer MCQ
Q-00001688
Q12.

What is the role of the ciliary muscles in the human eye?

Single Answer MCQ
Q-00001689
Q13.

How does the retina function in forming images in the human eye?

Single Answer MCQ
Q-00001690
Q14.

What is the function of the iris in the human eye?

Single Answer MCQ
Q-00001691
Q15.

How does the brain interpret electrical signals from the light-sensitive cells in the retina?

Single Answer MCQ
Q-00001692
Q16.

What is the significance of the human eye as a sense organ?

Single Answer MCQ
Q-00001693
Q17.

How does the cornea contribute to the refraction of light in the human eye?

Single Answer MCQ
Q-00001694
Q18.

Describe the structure of the human eye and its components.

Single Answer MCQ
Q-00001695
Q19.

How does the pupil regulate the amount of light entering the eye?

Single Answer MCQ
Q-00001696
Q20.

What is the role of the optic nerves in transmitting signals from the retina to the brain?

Single Answer MCQ
Q-00001697
Q21.

How does the brain process information from the signals received from the retina?

Single Answer MCQ
Q-00001698
Q22.

Explain the power of accommodation of the eye lens in focusing on near and distant objects.

Single Answer MCQ
Q-00001699
Q23.

How does the eye lens change its thickness to adjust its focal length?

Single Answer MCQ
Q-00001700
Q24.

What is the mechanism behind the formation of images on the retina in the human eye?

Single Answer MCQ
Q-00001701
Q25.

How does the eye lens work similar to a camera lens in forming images?

Single Answer MCQ
Q-00001702
Q26.

What is the function of the lens in the human eye?

Single Answer MCQ
Q-00001916
Q27.

How does the human eye enable us to see objects around us?

Single Answer MCQ
Q-00001917
Q28.

Describe the structure of the human eye.

Single Answer MCQ
Q-00001918
Q29.

What is the role of the cornea in the human eye?

Single Answer MCQ
Q-00001919
Q30.

Explain the function of the iris in the human eye.

Single Answer MCQ
Q-00001920
Q31.

How does the eye lens form an image on the retina?

Single Answer MCQ
Q-00001921
Q32.

What is the retina and what is its role in the human eye?

Single Answer MCQ
Q-00001922
Q33.

How do light-sensitive cells in the retina generate electrical signals?

Single Answer MCQ
Q-00001923
Q34.

How does the brain interpret the electrical signals from the retina?

Single Answer MCQ
Q-00001924
Q35.

What is the power of accommodation in the human eye?

Single Answer MCQ
Q-00001925
Q36.

How do ciliary muscles help in adjusting the focal length of the eye lens?

Single Answer MCQ
Q-00001926
Q37.

Explain how the eye lens changes its curvature to focus on distant objects.

Single Answer MCQ
Q-00001927
Q38.

Describe the process by which the eye lens focuses on nearby objects.

Single Answer MCQ
Q-00001928
Q39.

What is the significance of accommodation in the human eye?

Single Answer MCQ
Q-00001929
Q40.

How does the ability of the eye lens to adjust its focal length help in vision?

Single Answer MCQ
Q-00001930
Q41.

What is the smallest distance at which the eye can see objects clearly without strain?

Single Answer MCQ
Q-00001931
Q42.

Define the near point of the eye or the least distance of distinct vision.

Single Answer MCQ
Q-00001932
Q43.

What are the common refractive defects of vision?

Single Answer MCQ
Q-00001933
Q44.

How is myopia corrected in vision?

Single Answer MCQ
Q-00001934
Q45.

How is hypermetropia corrected in vision?

Single Answer MCQ
Q-00001935
Q46.

What happens to the eye's power of accommodation at old age?

Single Answer MCQ
Q-00001936
Q47.

What is dispersion in the context of light?

Single Answer MCQ
Q-00001937
Q48.

How does scattering of light cause the blue color of the sky?

Single Answer MCQ
Q-00001938
Q49.

Why does the sky appear dark to passengers flying at very high altitudes?

Single Answer MCQ
Q-00001939
Q50.

Why are 'danger' signal lights red in color?

Single Answer MCQ
Q-00001940

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