Description : Ozone present in stratosphere filters out
Last Answer : Ozone present in stratosphere filters out A. UV-A B. UV-B C. UV-C D. Both B and C
Description : Ozone layer is present in - (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere
Last Answer : (3) Stratosphere Explanation: The ozone layer is mainly found in the lower portion of the stratosphere from approximately 20 to 30 kilometres above Earth, though the thickness varies seasonally and ... in general thicker during the spring and thinner during the autumn in the northern hemisphere.
Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)
Last Answer : (A) CO
Description : Ozone layer is present in (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere
Last Answer : Stratosphere
Description : Why is it good to have ozone in the Stratosphere and bad to have ozone in the lower Troposphere?
Last Answer : reduced absorption of ultraviolet radiation
Description : The area of the stratosphere that has a great amount of ozone gas is the?
Last Answer : Ozone layer has most of the ozone. It is present as pool ofozone molecules.
Description : The protective ozone layer of stratosphere itself requires protection from indiscriminate use of :
Last Answer : The protective ozone layer of stratosphere itself requires protection from indiscriminate use of : A. ... wastes D. Baloons and turbo-prop aeroplanes.
Description : Nitrogen oxides released in the stratosphere causes ozone depletion due to
Last Answer : Nitrogen oxides released in the stratosphere causes ozone depletion due to A. catalysing conversion of ... . reacting with ozone D. All the above
Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Methane B. Chlorofluorocarbons C. Nitrogen oxides D. Carbon dioxide
Last Answer : ANSWER: C
Description : Coke is made by heating coal in the absence of air at: A. 700 °C B. 1300 °C C. 900 °C D. 1700 °C ANSWER: Most of the ozone in the atmosphere is concentrated in the _____ A. Mesosphere B. Troposphere C. Stratosphere D. Ionosphere
Description : Which layer of the earth's atmosphere contains the ozone layer? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere
Last Answer : (4) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere. It is mainly found in the lower portion of the stratosphere, from approximately 20 to 30 kilometres (12 to 19 mi) ... nm to 315 nm wavelength), which other-wise would be harmful to exposed life forms on the earth.
Description : Most of the ozone in the earth's atmosphere is found in the: (1) Troposphere (2) Stratosphere (3) Mesophere (4) Thermosphere
Last Answer : (2) Stratosphere Explanation: Most ozone (about 90%) resides in a layer that begins between 10 and 17 kilometers above the Earth's surface and extends up to about 50 kilometers. This region of ... is called the stratosphere. The ozone layer absorbs most of the Sun's ultraviolet (UV) radiation.
Description : Ultraviolet radiation in the stratosphere is absorbed by – (1) SO2 (2) Ozone (3) Oxygen (4) Argon
Last Answer : (2) Ozone Explanation: The ozone layer of Earth's stratosphere absorbs most of the Sun's ultraviolet radiation. It absorbs 97 to 99 percent of the Sun's medium-frequency ultravi-olet light ( ... 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms on the earth.
Description : Which atmospheric layer contains ozone layer? (1) Genosphere (2) Zonosphere (3) Stratosphere (4) Ionosphere
Last Answer : (3) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radioation.
Description : Most of the ozone in the atmosphere is concentrated in the------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. Ionosphere
Last Answer : C. Stratosphere (Answer)
Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Carbon dioxide B. Chlorofluorocarbons (Answer) C. Nitrogen oxides D. Methane
Last Answer : B. Chlorofluorocarbons (Answer)
Description : Most of the ozone in the atmosphere is concentrated in the -------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. ionosphere
Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Description : The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). (A) 20 (B) 230 (C) 750 (D) 1500
Last Answer : (B) 230
Description : Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) ... ) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms
Last Answer : (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere
Description : Which of the following compounds has been suggested as causing depletion of the ozone layer in the upper stratosphere? (a) CH4 (b) CCl2F2 (c) CF4 (d) CH2Cl2
Last Answer : CCl2F2
Description : Match List I (Layers of Atmosphere) and List II (Characteristics) and select the correct answer using the code given below. L ist I L i st I I (L ayer of (Char acter ist ics) At mospher e) A. Ionosphere I. Contains Ozone B. ... D-III (3) A-II, B-III, C-I, D-IV (4) A-III, B-I, C-IV, D-II
Last Answer : 2) A-II, B-I, C-IV, D-III
Description : In stratosphere, which of the following element acts as a catalyst in degradation of ozone a release of molecular oxygen ? (1) Carbon (2) Cl (3) Fe (4) Oxygen
Last Answer : (2) Cl
Description : Ozone layer is found in a) Thermosphere b) Stratosphere c) Mesosphere d) Lithosphere.
Last Answer : b) Stratosphere
Description : The Earth's stratosphere contains ozone. Give the chemical formula for ozone?
Last Answer : ANSWER: O3 (pron: Oh - three)
Description : The presence of ozone in the stratosphere is responsible for (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets
Last Answer : checking the penetration of ultra-violet rays to the earth
Description : Ultraviolet radiation in the stratosphere is absorbed by (1) SO2 (2) Ozone (3) Oxygen (4) Argon
Last Answer : Ozone
Description : Which layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere
Description : Most of the ozone in the earth’s atmosphere is found in the : (1) Troposphere (2) Stratosphere (3) Mesophere (4) Thermosphere
Description : The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name? A. Ionosphere B. Troposphere (Answer) C. Stratosphere D. Mesosphere
Last Answer : B. Troposphere (Answer)
Description : You are flying between Chicago and San Francisco on a commercial jet. The pilot comes on the public address system and announces that the plane's cruising altitude is 40,000 feet. At this altitude are you in the: w) troposphere x) stratosphere y) ozonosphere z) chemosphere
Last Answer : ANSWER: X -- STRATOSPHERE
Description : The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is?
Last Answer : ozone
Description : Most of the atmospheric air pollutants are present in large quantity in (A) Stratosphere (B) Thermosphere (C) Troposphere (D) Mesosphere
Last Answer : (C) Troposphere
Description : The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these
Last Answer : (B) Troposphere
Description : Ozone layer is present in
Last Answer : Ans. Stratosphere zone (20-48 km)
Description : Consider the following statements. 1. Ozone is an allotropic form of oxygen 2. Phosphorus is present in DNA and RNA 3. Halogens occur in free state in nature. 4. The compounds of chlorine are used as cooling agents. The correct statements are: (a) 1 and 4 (b) 2 and 4 (c) 3 and 4 (d) 1 and 2
Last Answer : Ans:(d)
Description : A powerful eye irritant present in smog is - (a) ozone (b) nitric oxide (c) peroxyacetyl nitrate (d) sulphur dioxide
Last Answer : Ans:(c)
Description : Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to (A) Protect rubber goods from attack by oxygen & ozone present in the atmosphere (B) Reduce its viscosity to ... processing (C) Reduce the time of vulcanisation and quantity of vulcanising agent (D) Increase its viscosity
Last Answer : (B) Reduce its viscosity to permit easier processing
Description : Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more ... can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease
Last Answer : (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease
Description : Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.
Last Answer : a) Reduction in ozone
Description : Has anyone else heard about the new thrill ride planned atop the Stratosphere in Las Vegas ?
Last Answer : It does look like fun, but two things would keep me from doing it. 1) It would probably cost too much, and 2) I’m probably going to be over the maximum allowable weight. Now if I lose enough weight and get a good enough job, yeah, maybe some day.
Description : What is the plane of contact of the troposphere and stratosphere? -Do You Know?
Last Answer : answer:
Description : UV radiations in the stratosphere are absorbed by
Last Answer : UV radiations in the stratosphere are absorbed by A. Oxygen B. ozone C. sulphur dioxide D. Argon.
Description : A chemical weed in troposphere and protectant in stratosphere is
Last Answer : A chemical weed in troposphere and protectant in stratosphere is A. `CH_(4)` B. `O_(3)` C. CFC D. `NO_(2)`
Description : Why airplanes prefer to fly in stratosphere?
Last Answer : Feel Free to Answer
Description : What blank inside the stratosphere blocks ultraviolent radiation?
Last Answer : The ozone layer blocks ultraviolet radiation
Description : Which layer of the atmosphere is located above the stratosphere?
Last Answer : mesosphere
Description : The upper stratosphere is cooler than the lower stratosphere.?
Last Answer : Is the upper stratosphere is cooler than the lower stratosphere?\