- chlorofluorocarbon
- carbon monoxide
- carbon dioxide
- sulpur dioxide
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Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should the rule of wearing helmet for both driver and pillion rider while driving a motor bike be enforced strictly Arguments : I. Yes. It is a rule and rules should be followed strictly by all. II. No. Each individual knows how to protect his own life and it should be left to his discretion. III. No. It does not ensure safety as only the head is protected and rest of the body is not. IV. Yes. It is a necessity as head, being the most sensitive organ, is protected by the helmet.?
Answer: Option 3 Clearly, the rule has been devised for the safety of two-wheeler riders, as majority of two wheeler accidents result in direct fall of the rider, leading to...
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Choose the most appropriate answer: In which atmospheric layer are the communication satellites located?
Answer: Option 2 Communication satellites are located in Ionosphere.
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In the absence of ozone layer, which rays will enter into atmosphere?
Answer: Option 3 The ozone layer is a layer in Earth’s atmosphere containing relatively high concentrations of ozone (O3). The ozone layer absorbs 97–99% of the Sun’s medium frequency ultraviolet...
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The ozone layer is being destroyed by chlorofluorocarbons. In this regard which do you consider as the most harmful?
Answer: Option 3 The ozone layer is being destroyed by chlorofluorocarbons. In this regard Fluorine atom is considered as the most harmful. Chlorofluorocarbons (CFCs) could deplete Earth's atmospheric ozone layer,...
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_________ is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.?
Answer: Option 2 Germany is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.
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There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.?
Answer: Option 3 Let'
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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 in atmosphere at tremendous rate?
Answer: Option 1 Let'
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Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber?
Answer: Option 2 Let'
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Which of the following is/are correct in matching the layer of atmosphere and its characteristic I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth's surface IV. Mesosphere : Aurorae?
Answer: Option 4 The following that are correct in matching the layer of atmosphere and its characteristic are Troposphere : weather phenomena, Stratosphere : ozone layer and Ionosphere : radio...
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Which of the following are true regarding ionosphere I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth?
Answer: Option 3 The following that are true regarding ionosphere are The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become...
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