Pesticide responsible for Ozone depletion is a) BHC b) DDT c) Melathion d) None of the above.

Pesticide responsible for Ozone depletion is a) BHC b) DDT c) Melathion d) None of the above.
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d) None of the above. 
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Related questions

Which is correct about statements X and Y statement X. DDT shows biological magnification Statement Y : UV radiations causes ozone depletion .

Description : Which is correct about statements X and Y statement X. DDT shows biological magnification Statement Y : UV radiations causes ozone depletion .

Last Answer : Which is correct about statements X and Y statement X. DDT shows biological magnification Statement Y : UV ... D. X is not correct, Y is correct.

Benzene is used (A) As a motor fuel (B) As an explosive (C) For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) (D) As a perfume

Description : Benzene is used (A) As a motor fuel (B) As an explosive (C) For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) (D) As a perfume

Last Answer : (C) For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) (D) A

Chloral is used in the manufacture of (A) DDT (B) BHC (C) Parathion (D) None of these

Description : Chloral is used in the manufacture of (A) DDT (B) BHC (C) Parathion (D) None of these

Last Answer : (A) DDT

2-4-diphenoxyacetic acid is a: (a) Herbicide (b) Weedicide (c) Pesticide (d) Fungicide

Description : 2-4-diphenoxyacetic acid is a: (a) Herbicide (b) Weedicide (c) Pesticide (d) Fungicide

Last Answer : Ans. ((b))

Draback of DDT as pesticide is

Description : Draback of DDT as pesticide is

Last Answer : Draback of DDT as pesticide is A. It becomes ineffective after some time B. It is less effective ... /rapidly degraded in nature D. its high cost.

Who discovered the pesticide property of DDT?

Description : Who discovered the pesticide property of DDT?

Last Answer : Paul Herman Muler

First bionisecticide developed on commercial scale was: (a) Quinine (b) DDT (c) Organophosphates (d) Sporeine

Description : First bionisecticide developed on commercial scale was: (a) Quinine (b) DDT (c) Organophosphates (d) Sporeine

Last Answer : Ans. ((d))

Spraying of DDT produces pollution of a) Air b) Air and Water c) Air and Soil d) Air, Water and Soil.

Description : Spraying of DDT produces pollution of a) Air b) Air and Water c) Air and Soil d) Air, Water and Soil. 

Last Answer : d) Air, Water and Soil.

The gas, responsible for ozone depletion

Description : The gas, responsible for ozone depletion

Last Answer : Ans. CF2Cl2

Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Description : Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Last Answer : (1) Chlorofluorocarbons Explanation: Chlorofluorocarbon contributes to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as a ... methane, ethane, propane. Its manufacture has been phased out under the Montreal Protocol.

Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Description : Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Last Answer : Chlorofluorocarbon

Increasing high skin cancer and high mutation rate are a) O3 depletion b) Acid rain c) CO pollution d) CO2 Pollution.

Description : Increasing high skin cancer and high mutation rate are a) O3 depletion b) Acid rain c) CO pollution d) CO2 Pollution.

Last Answer : a) O3 depletion

Which of the following is ozone depleting pesticide? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide

Description : Which of the following is ozone depleting pesticide? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide

Last Answer : (3) Methyl bromide Explanation: Methyl bromide- is considered to be a significant ozone depleting substance (ODS) by atmospheric scientists. While methyl bromide is a natural substance, the additional methyl ... impact not only to human health and the environment, but to agricultural crops as well.

Which of the following is ozone depleting pesticide ? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide

Description : Which of the following is ozone depleting pesticide ? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide

Last Answer : Methyl bromide

Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

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

Ozone hole is caused by a) Acetylene b) Ethylene c) Chlorofluorocarbons d) Methane.

Description : Ozone hole is caused by a) Acetylene b) Ethylene c) Chlorofluorocarbons d) Methane.

Last Answer : c) Chlorofluorocarbons

Ozone hole causes a) Global warming b) Reduction in the rate of photosynthesis c) More UV rays come to earth d) All the above.

Description : Ozone hole causes a) Global warming b) Reduction in the rate of photosynthesis c) More UV rays come to earth d) All the above.

Last Answer : c) More UV rays come to earth

The worst enemy of ozone is a) Liquid NH3 b) SO2 c) CH4 d) CO.

Description : The worst enemy of ozone is a) Liquid NH3 b) SO2 c) CH4 d) CO.

Last Answer : c) CH4

Ozone day is observed on a) 25th December b) 16th September c) 21st April d) 30th January.

Description : Ozone day is observed on a) 25th December b) 16th September c) 21st April d) 30th January.

Last Answer : b) 16th September

Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.

Description : Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.

Last Answer : d) Nitrogen oxides and Fluorocarbons

Ozone layer is found in a) Thermosphere b) Stratosphere c) Mesosphere d) Lithosphere.

Description : Ozone layer is found in a) Thermosphere b) Stratosphere c) Mesosphere d) Lithosphere. 

Last Answer : b) Stratosphere

The substance that can be used as an explosive is (a) DDT (b) ozone (c) TNT (d) buckminsterfullerene

Description : The substance that can be used as an explosive is (a) DDT (b) ozone (c) TNT (d) buckminsterfullerene

Last Answer : Ans:(c)

What is ozone depletion?

Description : What is ozone depletion?

Last Answer : Ozone depletion refers to the thinning of the Earth's ozone layer, primarily in the stratosphere, caused by the release of certain chemicals, such as chlorofluorocarbons (CFCs), which can lead to increased exposure to harmful ultraviolet radiation from the sun.

Effect of ozone layer depletion?

Description : Effect of ozone layer depletion?

Last Answer : It causes harmful activities like skin cancer, cataracts. Mainlychildren are worst affected. It is also harmful for eyes.

Do you think there is global warming or some geographical regions are more affected by ozone depletion than others?

Description : Do you think there is global warming or some geographical regions are more affected by ozone depletion than others?

Last Answer : Global warming and ozone depletion both are different issues of global concerns. Global warming are due to release of green house gases and dealt with Kyoto protocol but ozone depletion are due to ... carbon and dealt with Montréal protocol. I think there is no any relation with each other

Depletion of ozone is mainly due to

Description : Depletion of ozone is mainly due to

Last Answer : Depletion of ozone is mainly due to A. `CO_(2)` B. CFC C. `SO_(2)` D. `CH_(4)`.

Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Description : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Last Answer : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of ... true but reason is wrong D. Both are wrong

The depletion of ozone layer is due to:

Description : The depletion of ozone layer is due to:

Last Answer : The depletion of ozone layer is due to: A. Oxides of nitrogen B. Oxides of carbon C. Oxides of sulphur D. None of the above

Nitrogen oxides released in the stratosphere causes ozone depletion due to

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

Mirage is due to (a) Unequal heating of different parts of the atmosphere (b) Magnetic disturbances in the atmosphere (c) Depletion of ozone layer in the atmosphere (d) Equal heating of different parts of the atmosphere

Description : Mirage is due to (a) Unequal heating of different parts of the atmosphere (b) Magnetic disturbances in the atmosphere (c) Depletion of ozone layer in the atmosphere (d) Equal heating of different parts of the atmosphere

Last Answer : Ans:(a)

Rio Summit is associated with – (1) Convention on Biological Diversity (2) Green house gases (3) Ozone depletion (4) Wet lands

Description : Rio Summit is associated with – (1) Convention on Biological Diversity (2) Green house gases (3) Ozone depletion (4) Wet lands

Last Answer : (1) Convention on Biological Diversity Explanation: The United Nations Conference on Environment and Development (UNCED), otherwise known as the Earth Summit or Rio Summit, was held in Rio de Janeiro, ... for signature at the Rio Summiton 5 June 1992 and entered into force on 29 December 1993.

Of the following man-made disasters, which is socially induced? (1) Debris Avalanche (2) Salt Water Intrusion (3) Arson (4) Ozone depletion

Description : Of the following man-made disasters, which is socially induced? (1) Debris Avalanche (2) Salt Water Intrusion (3) Arson (4) Ozone depletion

Last Answer : (3) Arson Explanation: Arson is the crime of intentionally and maliciously setting lire to buildings, wild land areas, vehicles or other property with the intent to cause damage. Distinct from ... and natural wildfires, it is considered to be a man-made disaster which is socially induced.

The depletion of Ozone layer is mainly due to – (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons

Description : The depletion of Ozone layer is mainly due to – (1) Volcanic eruptions (2) Aviation fuels (3) Radioactive rays (4) Chlorofluorocarbons

Last Answer : (4) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. Chloroiluorocarbon (CFC) is ... , chlorine, and fluorine, produced as a volatile derivative of methane and ethane.

The depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Description : The depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs), also known as Freon, cause the breakdown of the ozone layer that protects the earth from the sun's ultraviolet (UV) radiation. In the ... depletion in the upper atmosphere, CFCs have been phased out under the Montreal Protocol of 1987.

The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : (1) chloro fluoro carbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ... R-4104 by the Montreal Protocol because they contribute to ozone depletion in the upper atmosphere.

Ozone depletion in the atmosphere is mainly caused by - (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Description : Ozone depletion in the atmosphere is mainly caused by - (1) sulphur dioxide (2) nitrogen dioxide (3) hydrogen sulphide (4) chlorofluorocarbon

Last Answer : (4) chlorofluorocarbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ethane. They contribute to ozone depletion in the upper atmosphere.

Ultraviolet radiation striking the earth is due to the depletion of – (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Description : Ultraviolet radiation striking the earth is due to the depletion of – (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Last Answer : (3) ozone Explanation: Ozone is a powerful oxidant (far more so than dioxygen) and has many industrial and consumer applications related to oxidation. This same high oxidizing potential, however, ... 100 parts per billion. This makes ozone a potent respiratory hazard and pollutant near ground level.

Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Description : Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Last Answer : ANS: B

The depletion of ozone layer is caused by?

Description : The depletion of ozone layer is caused by?

Last Answer : Chlorofluorocarbon (CFC)

Write short notes on any two of the following: a) Acid rain b) Green house effect c) Ozone depletion

Description : Write short notes on any two of the following: a) Acid rain b) Green house effect c) Ozone depletion

Last Answer : Answers: a) Acid rain: The problem begins with the production of sulfur dioxide and nitrogen oxides from the burning of fossil fuels, such as coal, natural gas, and oil, and from certain ... and an increase in atmospheric carbon dioxide (Global Warming) due to the decrease in plants and plankton.

What is the effect ozone depletion?

Description : What is the effect ozone depletion?

Last Answer : a) Thinning of the ozone layer allows high levels of UV radiations to reach the earth causing mutations in organisms. b) In humans, the incidence of skin cancer and cataract increases. c) ... e) In the atmosphere, it affects the natural balance of gases, particularly affecting the carbon cycle.

What is meant by ozone depletion?

Description : What is meant by ozone depletion?

Last Answer : The reduction of the ozone in the stratosphere is called ozone depletion.

Why normal rain is slightly acidic? A. due to presence of dust in air B. carbon dioxide and water in clouds react to form carbonic acid (Answer) C. Ozone depletion D. All of these

Description : Why normal rain is slightly acidic? A. due to presence of dust in air B. carbon dioxide and water in clouds react to form carbonic acid (Answer) C. Ozone depletion D. All of these

Last Answer : B. carbon dioxide and water in clouds react to form carbonic acid (Answer)

Melanoma (skin cancer) is associated with -------? A. ozone accumulation B. ozone depletion (Answer) C. acid rain D. allergens

Description : Melanoma (skin cancer) is associated with -------? A. ozone accumulation B. ozone depletion (Answer) C. acid rain D. allergens

Last Answer : B. ozone depletion (Answer)

Write a note on Ozone Depletion?

Description : Write a note on Ozone Depletion?

Last Answer : i) Oxygen in the upper atmosphere forms ozone that forms a layer over the earth. ii) This ozone shield filters out of the ultraviolet rays of the sun and protects the earth from being ... due to air pollutants particularly nitric oxide and chlorine atoms that attack the ozone layer. 

Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Description : Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Last Answer : (C)CFC

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Description : Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Last Answer : (D) CFC (chloro fluoro carbon)

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? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

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

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Description : CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone. (A) 10 2 (B) 10 5 (C) 10 9 (D) 10 15

Last Answer : (B) 10 5

Which of the following compounds has been suggested as causing depletion of the ozone layer in the upper stratosphere? (a) CH3(b) CCl2F2(c) CF4(d) CH2Cl2

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