agree to the. And because Antarctica is closer to the sun at perihelion, it receives 7% more radiation than the Arctic. Snow blindness, also called arc eye or photokeratitis, is a painful eye condition caused by overexposure to ultraviolet (UV) light. ing snow sublimation process in the surface mass balance of the earth’s ice sheets. 33. Most of this extra snow has fallen on the Antarctic Peninsula, which saw significant increases in temperature during the 20th Century. Snow blindness or photokeratitis is the inflammation of the cornea due to excessive exposure to UV-B radiation. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Snow - blindness in Antarctic region is due to :a)High reflection of light from snowb)Damage of retina caused by infra -red raysc)Freezing of fluids in the eye by low temperatured)Inflammation of cornea due to high dose of UV - B radiationCorrect answer is option 'D'. https://nsidc.org/cryosphere/seaice/characteristics/difference.html Snow-blindness in Antarctic region is due to (1) Inflammation of cornea due to high dose of UV-B radiation (2) High reflection of light from snow (3) Damage to retina caused by infra-red rays (4) Freezing of fluids in the eye by low temperature Answer (1) Sol. High dose of UV-B causes inflammation of cornea. Can you explain this answer? The Questions and Snow blindness is an acute conjunctivitis and superficial epithelial keratitis caused by exposure to ultraviolet light or what Ernest Shackleton described as “the violet are solved by group of students and teacher of NEET, which is also the largest student UV-B radiations damage DNA and mutations may occur. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Apr 30,2021 - Snow - blindness in Antarctic region is due to :a)High reflection of light from snowb)Damage of retina caused by infra -red raysc)Freezing of fluids in the eye by low temperatured)Inflammation of cornea due to high dose of UV - B radiationCorrect answer is option 'D'. Answers of Snow - blindness in Antarctic region is due to :a)High reflection of light from snowb)Damage of retina caused by infra -red raysc)Freezing of fluids in the eye by low temperatured)Inflammation of cornea due to high dose of UV - B radiationCorrect answer is option 'D'. Snow blindness is an acute conjunctivitis and superficial epithelial keratitis caused by exposure to ultraviolet light. It causes aging of skin, damage to skin cells and various types of skin cancers. Snow blindness in Antarctic region is due to inflammation of cornea due to high dose of UV-B radiation. This is termed arc eye, while photokeratitis caused by exposure to sunlight reflected from ice and snow, particularly at elevation, is commonly called snow blindness. 1. Question 59. Correct answer is option 'D'. But, UV-B causes DNA mutation. Performance & security by Cloudflare, Please complete the security check to access. (viii) Control of Ozone Depletion. Cornea sunburn results due to the effects of UV light on the cornea. It can be of following types : Municipal solid waste includes wastes from homes, offices, schools, etc., that are collected and disposed by the municipality consists of paper, waste food materials, leather, textile, rubber, etc. Colour blindness,interesting tips to solve genetic crosses.. Laws of Reflection - Light : Reflection & Refraction. It permanently damages the cornea. Such exposure may permanently damage the cornea. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. the Antarctic precipitation characteristics, such as snowfall rates and frequency, is needed to assess the models, but it is not yet available. It is accompanied by photo burning and dimming of eyesight after which cataract develops. For the current work, we focus on blowing snow processes over the Antarctic region. community of NEET. Can you explain this answer? Snow-blindness in Antarctic region is due to : (1) Damage to retina caused by infra-red rays (2) Freezing of fluids in the eye by low temperature (3) Inflammation of … Greenhouse effect is due to (a) accumulation of O 3 and depletion of CO 2 (b) accumulation of both O 3 and CO 2 (c) accumulation of CO 2 and depletion of O 3 (d) presence of green plants on the Earth. Snow blindness in Antarctic region is due to (1) Inflammation of cornea due to high dose of UV-B radiation (2) High reflection of light from snow (3) Damage to retina caused by infra-red rays (4) Freezing of fluids in the eye by low temperature Ans(1) 34. Snow- blindnese in Antarctic region Option: 1 Freezing of fluids in the temperature Option: 2 Inflammation of cornea due UV-B radiation Option: 3 High reflection of light from Option: 4 Damage to retina caused by infra Due to the uninhabited expanse of Antarctica and the lack of observations, continent-wide studies of blowing snow sublimation over Antarctica had to • The Antarctic Peninsula is the part of the region that has experienced the most rapid warming in the latter part of the … Damage to retina caused by infra-red rays. The researchers say that as the region warms due to the climate crisis, these islands could lose their summer snow cover and algae- although in terms of mass, the majority of snow algae is found in areas where they can spread to higher ground when snow melts. It occurs because ultraviolet ray exposure is increased by the light reflecting from the snow. Satellite observations of precipitation by active sensors has been possible in the polar regions since the launch of CloudSat in 2006. Divided Attention, Selective Attention, Inattentional Blindness & Change Blindness. You can study other questions, MCQs, videos and tests for NEET on EduRev and even discuss your questions like Apart from being the largest NEET community, EduRev has the largest solved Of course the Inspiring Explorers have sunglasses and protective goggles to protect their eyes, but things were different for Nansen’s expedition. NEET Botany Environmental Issues questions & solutions with PDF and difficulty level High reflection of light from snow. Such exposure may permanently damage the cornea. Q.2. UV radiation of wavelengths shorter than UV-B, are almost completely absorbed by Earth’s atmosphere. The snow in Antarctica is turning green and scientists say climate change may be to blame. Snow blindness is an acute conjunctivitis and superficial epithelial keratitis caused by exposure to ultraviolet light or what Ernest Shackleton described as “the violet rays.” 3 It occurs because ultraviolet exposure is increased by the light reflecting from the snow. Your IP: 219.99.214.60 (a) tropic region (b) middle latitude (c) polar region (d) temperate region Answer: (c) polar region. This discussion on Snow - blindness in Antarctic region is due to :a)High reflection of light from snowb)Damage of retina caused by infra -red raysc)Freezing of fluids in the eye by low temperatured)Inflammation of cornea due to high dose of UV - B radiationCorrect answer is option 'D'. […] Answer (1) Cloudflare Ray ID: 6515f325a9b55ef7 3. Odd climatic changes- Global warming will … 12. Melting of snow- Due to the increase in global temperature, the polar ice caps and snow mountains will start melting. Match the following concerning essential elements and their functions in plants So, the correct answer is ' Inflammation of cornea due to high dose of UV-B radiation' Answer verified by Toppr Upvote (0) 2. It causes aging of skin, damage to skin cells and skin cancers. Here, we use two CloudSat You may need to download version 2.0 now from the Chrome Web Store. According to a study published in the peer-reviewed Nature Communications, microscopic algae … is done on EduRev Study Group by NEET Students. Also, it results in the melting of Polar ice caps and mountain glaciers, which has caused a rise in the sea level, leading to the inundation of coastal regions. Some dividing cells exit the cell cycle and enter vegetative inactive stage. Snow Blindness. An international treaty, known as the Montreal Protocol was signed at Montreal (Canada) in 1987 (effective in 1989) to control the emission of ozone depleting substances. Snowblindness is a temporary loss of vision caused by the sun’s rays – think of it like sunburn of the eyeballs! This is called snow-blindness, cataract, etc. If the answer is not available please wait for a while and a community member will probably answer this Answer: Snow blindness is temporary blindness caused by inflammation of the cornea due to absorption of UV-B radiations. Natural sources include bright sunlight reflected from snow or ice or, less commonly, from sea or sand. soon. Please enable Cookies and reload the page. Sea level- Due to the melting of snow, the sea level will rise leading to submerging of coastal areas. In human eye, cornea absorbs UV-B Snow-blindness in Antarctic region is due to[2020]© examsnet.com© examsnet.com. In human eye, cornea absorbs UV-B radiation, and a high dose of UV-B causes inflammation of cornea, called snow-blindness It is a painful eye condition caused by overexposure to ultraviolet (UV) light. NEET Previous year Question Papers is one of the strong tool for the preparation of NEET.So, let’s practice NEET 2020 Biology Questions (1st phase, held on 13th September). Inflammation of cornea due to high dose of UV-B radiation. In human eye, cornea absorbs UV-B radiation, and a high dose of UV-B causes inflammation of cornea, called snow-blindness, cataract, etc. It has formed Ozone hole over the Antarctic region. But, UV-B damages DNA and mutation may occur. Question bank for NEET. Ultraviolet exposure will also be higher at altitude (eg, on the Antarctic plateau) and with clear skies. Blowing snow, issues with using microwave satellite imagery, logistics, and extreme weather are just a few challenges researchers face when quantifying precipitation. What do you understand by snow blindness? Snow-blindness in Antarctic region is due to (1) Inflammation of cornea due to high dose of UV-B radiation (2) High reflection of light from snow (3) Damage to retina caused by infra-red rays (4) Freezing of fluids in the eye by low temperature . Snow - blindness in Antarctic region is due to : (2020) (a) High reflection of light from snow (b) Damage of retina caused by infra -red rays (c) Freezing of fluids in the eye by low temperature (d) Inflammation of cornea due to high dose of UV - B radiation Ans. It can also occur due to using tanning beds without proper eyewear. So, the climate in tropical region is very hot whereas that in polar region is extremely cold. over here on EduRev! Snow - blindness in Antarctic region is due to : Damage of retina caused by infra -red rays, Freezing of fluids in the eye by low temperature, Inflammation of cornea due to high dose of UV - B radiation. Regular exposure to UV-B radiations causes permanent damage to the cornea resulting in blindness. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Snow-blindness in Antarctic region is due to (1) High reflection of light from snow (2) Damage to retina caused by infra-red rays (3) Freezing of fluids in the eye by low temperature (4) Inflammation of cornea due to high dose of UV-B radiation Answer (4) 34. Images out of a northern region of Antarctica show a landscape nearly devoid of ice and snow following record-setting temperatures last week. Because of this the UV radiation that gets to the atmosphere can cause fast sun tanning and snow blindness. At the end of this practice session, you can “Check Score” and see the correct answers with explanation. The lack of precipitation measurements in polar regions, and specifically the Antarctic, are due to a combination of many factors. Due to this, the sun’s rays have to travel much more to reach the polar regions of earth which makes them lose much of their heat. (d) Solution. Also in the polar region, the atmosphere is thin. This is called • Another way to prevent getting this page in the future is to use Privacy Pass. Polar regions are dry areas; there is very little precipitation due to the cold air. Snowblindness is just one of the things the team want to avoid in Greenland. So, the correct answer is ' Inflammation of cornea due to high dose of UV-B radiation' Answer verified by Toppr Can you explain this answer? Freezing of fluids in the eye by low temperature. Can you explain this answer? NEET Biology Notes Environmental Issues Solid Waste Management Solid Waste Management Solid waste means everything that goes out in trash. Snow blindness or photokeratitis is the inflammation of the cornea due to excessive exposure to UV-B radiation. By continuing, I agree that I am at least 13 years old and have read and A high dose of UV-B causes inflammation of cornea (snow-blindness), cataract etc. The poles of the earth are at the maximum distances from the sun. 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