{"id":88852,"date":"2025-06-01T07:23:29","date_gmt":"2025-06-01T07:23:29","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88852"},"modified":"2025-06-01T07:23:29","modified_gmt":"2025-06-01T07:23:29","slug":"human-eye-can-see-objects-at-different-distances-with-contrasting-illu","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/human-eye-can-see-objects-at-different-distances-with-contrasting-illu\/","title":{"rendered":"Human eye can see objects at different distances with contrasting illu"},"content":{"rendered":"

Human eye can see objects at different distances with contrasting illuminations. This is due to<\/p>\n

[amp_mcq option1=”far-sightedness” option2=”near-sightedness” option3=”far-sightedness and near-sightedness” option4=”accommodation of eye” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nHuman eye can see objects at different distances with contrasting illuminations due to the accommodation of eye.
\n<\/section>\n
\nThe ability of the eye to adjust its focal length to see objects clearly at different distances is called accommodation. This is achieved by changing the shape of the lens. While “contrasting illuminations” involves other mechanisms like pupil size adjustment (controlled by the iris) and adaptation of photoreceptor cells, “accommodation of eye” is the term that best describes the eye’s overall ability to adjust to different viewing conditions presented in the question, especially the “different distances” aspect, and is the only adaptive mechanism listed among the options.
\n<\/section>\n
\nFar-sightedness and near-sightedness are refractive errors, not adaptive mechanisms. Accommodation primarily refers to focusing for distance, but in a broader sense, the eye’s overall ability to adapt to changing viewing conditions (distance and light) is a form of accommodation or adaptation. Given the options, “accommodation of eye” is the most appropriate answer describing the dynamic adjustment process.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Human eye can see objects at different distances with contrasting illuminations. This is due to [amp_mcq option1=”far-sightedness” option2=”near-sightedness” option3=”far-sightedness and near-sightedness” option4=”accommodation of eye” correct=”option4″] This question was previously asked in UPSC NDA-2 – 2022 Download PDFAttempt Online Human eye can see objects at different distances with contrasting illuminations due to the accommodation of eye. … <\/p>\n

Detailed SolutionHuman eye can see objects at different distances with contrasting illu<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1094],"tags":[1108,1117,1237],"class_list":["post-88852","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1108","tag-biology","tag-human-anatomy-and-physiology","no-featured-image-padding"],"yoast_head":"\nHuman eye can see objects at different distances with contrasting illu<\/title>\n<meta name=\"description\" content=\"Human eye can see objects at different distances with contrasting illuminations due to the accommodation of eye. The ability of the eye to adjust its focal length to see objects clearly at different distances is called accommodation. This is achieved by changing the shape of the lens. While "contrasting illuminations" involves other mechanisms like pupil size adjustment (controlled by the iris) and adaptation of photoreceptor cells, "accommodation of eye" is the term that best describes the eye's overall ability to adjust to different viewing conditions presented in the question, especially the "different distances" aspect, and is the only adaptive mechanism listed among the options.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/human-eye-can-see-objects-at-different-distances-with-contrasting-illu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Human eye can see objects at different distances with contrasting illu\" \/>\n<meta property=\"og:description\" content=\"Human eye can see objects at different distances with contrasting illuminations due to the accommodation of eye. The ability of the eye to adjust its focal length to see objects clearly at different distances is called accommodation. This is achieved by changing the shape of the lens. While "contrasting illuminations" involves other mechanisms like pupil size adjustment (controlled by the iris) and adaptation of photoreceptor cells, "accommodation of eye" is the term that best describes the eye's overall ability to adjust to different viewing conditions presented in the question, especially the "different distances" aspect, and is the only adaptive mechanism listed among the options.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/human-eye-can-see-objects-at-different-distances-with-contrasting-illu\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:23:29+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Human eye can see objects at different distances with contrasting illu","description":"Human eye can see objects at different distances with contrasting illuminations due to the accommodation of eye. 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The ability of the eye to adjust its focal length to see objects clearly at different distances is called accommodation. This is achieved by changing the shape of the lens. 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