A gamma radiation b xray radiation c nuclear radiation d infrared radiation the layer of the atmosphere closest to earth is called the. The ozone layer is a concentration of ozone molecules in the stratosphere. The quality of air at various locations is monitored regularly by government and other agencies. Frequently asked questions about the ozone layer epa. And, most important, we know that if ozonedepleting gases were to continue to accumulate in the atmosphere, the result would be more depletion of the ozone. Below are the fst01 mcq with the right answer written in front of the question. You can find most of earths ozone within 5km of the surface of the earth. Pdf causes of ozone layer depletion and its effects on. Here you will find the general science multiple choice questions mcqs are from biology, chemistry, physics and atmospheric studies. Ozone, a gaseous molecule of three oxygens, surrounds the earth in what is known as the ozone layer. Environmental science questions and answers ozone depletion. Jan 24, 2020 the phase out of hcfc141b will help in healing the ozone layer in the stratospheric zone. Air water and soil pollution questions and answers part2.
We provide 25 question for test on computer fundamental. What so they hope this will do for the ozone layer. Ozone layer depletion cause, effects, and solutions. Global warming and climate change multiple choice test. What is the average concentration of ozone in the ozone layer of the atmosphere. Biology mcq questions and answers gk online test pdf download. So these fst01 mcq question answers will help you clear the exam. The band of uv closest to visible light, uva 315400 nm, is hardly affected by ozone, and most of it reaches the ground. Free pdf download of cbse class 10 science chapter 15 our environment multiple choice questions with answers. Mcq quiz on atmosphere multiple choice questions and answers on atmosphere mcq questions quiz on atmosphere objectives questions with answer test pdf. It is suggested that they be used at the end of the series of lessons. We help you to prepare for govt exams like ssc, ias, bank po, railways. Yes no 4 the ozone layer protects us from dangerous uv radiation that comes from.
D, asm, tte, food sub inspector, wb police, gram panchayat, postal assistant, agriculture, court, psc, lic, cmat. All the questions on this quiz are based on information that can be found at earth science. D increase in the thickness of ozone layer in troposphere answer. Following air water and soil pollution multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2020 like ssc exams. You can test your performance of computer fundamental. The sun space the moon 5 plants make their own food out of several correct answers. Mcq questions for class 10 science with answers was prepared based on latest exam pattern. The ozone layer is found in the lower portion of the earths atmosphere.
Name two gases which are mainly responsible for acid rain. Ozone is an irritating, corrosive, colorless gas with a smell something like burning electrical wiring. But our atmosphere is still vulnerable, and it is not clear whether the ozone layer of the future will look like the ozone layer we had in the past. It is mainly located in the lower portion of the stratosphere from about 1535 km 9. The stratosphere, the next higher layer, extends about 1050 kilometers above. There are natural processes that create and destroy ozone in the stratosphere.
This led to thinning of the ozone layer in the southern hemisphere. The layer of the earths atmosphere that surrounds us is called the troposphere. Index terms bio effects, chlorofluorocarbon, ozone layer depletion, protection. Students can solve ncert class 10 science our environment multiple choice questions with answers to know their preparation level. Cbse 9th biology mcqs on natural resources with answers pdf. We seem to have avoided a future where there is no protective ozone. Air water and soil pollution mcq questions and answers. For webquest or practice, print a copy of this quiz at the earth science. Radioactivity multiple choice questions and answers mcq. The ozone layer is a region in the earths stratosphere that contains high concentrations of ozone and protects the earth from the harmful ultraviolet radiations of the sun. Dear students, the team of jagran josh is presenting you a set of 10 questions based on ozone layer depletion. Ozone layer is a protective blanket in the atmosphere that protectsus from the harmful high. A simple example is ozone depletion in the upper stratosphere leading to lower.
Ozone layer depletion multiple choice questions mcqs, ozone layer depletion quiz answers pdf to practice online general knowledge course. Test your knowledge on the ozone layer, ozone depleting. But, it is very important that the world comply with the montreal protocol. What is the connection between ozone depletion and climate change. Some facts on the quiz address where this layer can be found and what it is made of. How and why has the situation regarding the ozone layer changed over the past 30 years. Air water and soil pollution mcq questions and answers ctet. Ozone layer depletion quiz hvac certification practice tests. Ozone layer depletion mcqs quiz questions and answers. About how many molecules of ozone are there per air molecule in the stratosphere.
Ozone layer depletion quiz questions and answers pdf. Dec, 2015 on this page you can read or download mcq on environmental pollution depletion ppt in pdf format. A star a planet 2 the sun sends us several correct answers light energy fire warmth rain 3 does the sun revolve around the earth. About 90% of the planets ozone is in the ozone layer. C decrease in thickness of ozone layer in stratosphere. Every year, the ozone hole reaches its peak in september and october and disappears by late december. On this page you can read or download mcq on environmental pollution depletion ppt in pdf format.
Its important to note that the ozone layer is extremely close to earth. Ozone layer is a protective blanket in the atmosphere that protectsus from the harmful high energy uv radiations coming from the sun. D equal heating of different parts of the atmosphere. The ozone layer also blocks most, but not quite all, of the sunburnproducing uvb 280315 nm band, which lies in the wavelengths longer than uvc. The manmade chlorine compounds that can last in air for 100 years nibbled at the ozone particles. Earths ozone layer shields life from harmful solar radiation. Use the quiz and worksheet to see what you know about the ozone layer.
In this layer ozone concentrations are about 2 to 8 parts per million, which is much higher than in the lower atmosphere but still very small compared to the main components of the atmosphere. This is the layer that is closest to earth after the atmosphere we know and breathe here. Everyday science online test 2 mcqs preparation practice questions. This quizworksheet combo will help you test your understanding of. Environmental science objective questions and answers for competitive exams page3. Our team made these questions on a particular topic. Name of extremely effective fire extinguishing agent is, with answers for best online colleges.
As a result the total amount of ozone remains constant. Causes of ozone layer depletion and its effects on human. In the stratosphere near the peak of the ozone layer, there. As the name suggests, the subject environmental studies environmental science evs is related to our environment. Ozone layer exists mainly in stratosphere, layer of atmosphere that reaches from 10 to 50 kms abt 6 to 30 miles above earths surface. C discuss 3 pine, fir, spruce, cedar, larch and cypress are the famous timberyielding plants of which several also occur widely in the hilly regions of india. Stratospheric ozone is an important part of our atmosphere. Cfcs are the most dangerous in terms of the destruction of the ozone layer in the atmosphere. Introduction the ozone layer is a layer in earths atmosphere which contains relatively high concentrations of ozone o3. Name any two sources which cause air pollution due to suspended particulate matter.
Which of the following are ozone depleting substances. Ozone depletion environmental science questions and answers. Ozone layer introduction the ozone layer refers to the ozone within stratosphere, where over 90% of the earths ozone resides. After practice from general science quiz questions with answers which is given below, you may refer to our next pages by follow direct link of general science quiz questions and answers pdf. Practicing all air water and soil pollution mcq questions and answers in online helps you to improve your ability to attend the real time central teacher eligibility test. Environmental science objective questions and answers for. Mcq quiz on radioactivity multiple choice questions and answers on radioactivity mcq questions quiz on radioactivity objectives questions with answer test pdf. Ozone molecules have a relatively low abundance in the atmosphere. Multiple choice questions on ozone layer depletion. Can the increased temperature due to global warming increase the deleterious effects. Ozone hole is region of depleted layers of ozone above. Ozone layer is also naturally broken down but there is a balance between its formation and natural depletion.
All important abbreviation related to everyday science in mcqs. Which temperature zone of the atmosphere contains this ozone layer. If you dont see any interesting for you, use our search form on bottom v. Jan 17, 2020 free pdf download of cbse class 10 science chapter 15 our environment multiple choice questions with answers.
The ozone layer is a part of the earths atmosphere that has relatively high levels of ozone o3. Also, it will help in climate change mitigation as the industries dependent on hcfc for foam production will be forced to work on alternative technologies that contribute to lesser global warming. The ozone layer is expected to return to normal levels by about 2050. Professionals, teachers, students and kids trivia quizzes to test your knowledge on the subject. Frequently asked questions and answers the 20th anniversary of the montreal protocol on substances that deplete the ozone layer general science questions 1 what is the ozone layer and where is it in the atmosphere. Frequently asked questions about the ozone layer ozone. The remaining ozone, about 10%, is found in the troposphere, which is the lowest region of the atmosphere, between earths surface and the stratosphere. Atmosphere multiple choice questions and answers mcq. When highenergy ultraviolet rays uvc strike an oxygen. Frequently asked questions and answers, montreal protocol 20th anniversary 3 with input from industry, environmental groups, other u. The set of multiplechoice questions tests the pupils understanding of the topic.
Fst 01 mcq questions answers for practice fyb blog. These general science quiz questions with answers pdf will help a lot to increase knowledge of the candidates. This layer absorbs 9399% of the suns high frequency ultraviolet light, which is potentially damaging to life on earth 1. D increase in the thickness of ozone layer in troposphere. Biology mcq questions and answers gk online test pdf.
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