Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are

Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are
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Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) ... b B. a,c C. b,c D. c,d
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Lindane is (A) Not a fumigant (B) BHC (Benzene Hexachloride) containing 99% γ-isomer (C) A by-product of BHC manufacture (D) Both (B) and (C)

Description : Lindane is (A) Not a fumigant (B) BHC (Benzene Hexachloride) containing 99% γ-isomer (C) A by-product of BHC manufacture (D) Both (B) and (C)

Last Answer : (B) BHC (Benzene Hexachloride) containing 99% γ-isomer

BHC (Benzene hexachloride) is made by the chlorination of benzene (A) Which is an addition reaction (B) Which is a substitution reaction (C) In absolute dark (D) In presence of sunlight

Description : BHC (Benzene hexachloride) is made by the chlorination of benzene (A) Which is an addition reaction (B) Which is a substitution reaction (C) In absolute dark (D) In presence of sunlight

Last Answer : (A) Which is an addition reaction

One of the anthropogenic sources of gaseous pollutants chlorofluorocarbons (CFCs) in air is (A) Cement Industry (B) Fertiliser industry (C) Foam industry (D) Pesticide industry

Description : One of the anthropogenic sources of gaseous pollutants chlorofluorocarbons (CFCs) in air is (A) Cement Industry (B) Fertiliser industry (C) Foam industry (D) Pesticide industry

Last Answer : (C) Foam industry

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

Chemical name of Gammaxane is - (1) Toluene (2) Chloro benzene (3) Aniline (4) Benzene hexachloride

Description : Chemical name of Gammaxane is - (1) Toluene (2) Chloro benzene (3) Aniline (4) Benzene hexachloride

Last Answer : (4) Benzene hexachloride Explanation: Gammexane is an insecticide that is the gamma isomer of benzene hexachloride. It is also known as lindane. Benzene hexachloride is any of several stereoisomers of 1,2,3,4,5,6- hexachlorocyclohexane formed by the lightinduced addition of chlorine to benzene.

Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with (A) Karbate (B) Lead or glass (C) Fireclay bricks (D) PVC

Description : Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with (A) Karbate (B) Lead or glass (C) Fireclay bricks (D) PVC

Last Answer : (B) Lead or glass

The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? (A) Chlorine (B) Alkalis (C) Benzene hexachloride (D) Alkyl benzene sulphonate (ABS)

Description : The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? (A) Chlorine (B) Alkalis (C) Benzene hexachloride (D) Alkyl benzene sulphonate (ABS)

Last Answer : (A) Chlorine

Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral is obtained by the chlorination of ethyl alcohol (C) Insecticides acting on the insects through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Description : Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral ... through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Last Answer : (D) Benzene hexachloride is not a contact insecticide

Which of the following is a detergent? (A) Benzene hexachloride (B) Alkyl benzene sulphonate (C) Polytetrafluoroethylene (D) Cellulose nitrate

Description : Which of the following is a detergent? (A) Benzene hexachloride (B) Alkyl benzene sulphonate (C) Polytetrafluoroethylene (D) Cellulose nitrate

Last Answer : (B) Alkyl benzene sulphonate

Chemical name of Gammaxane is (1) Toluene (2) Chloro benzene (3) Aniline (4) Benzene hexachloride

Description : Chemical name of Gammaxane is (1) Toluene (2) Chloro benzene (3) Aniline (4) Benzene hexachloride

Last Answer : Benzene hexachloride

Pollutants that are introduced into the environment by human activity are called as ------? A. Qualitative pollutants (Answer) B. Quantitative pollutants C. Anthropogenic pollutants D. All of Above

Description : Pollutants that are introduced into the environment by human activity are called as ------? A. Qualitative pollutants (Answer) B. Quantitative pollutants C. Anthropogenic pollutants D. All of Above

Last Answer : A. Qualitative pollutants (Answer)

What are non biodegradable pollutants? -Biology

Description : What are non biodegradable pollutants? -Biology

Last Answer : answer:

What are non biodegradable pollutants? -Biology

Description : What are non biodegradable pollutants? -Biology

Last Answer : answer:

Non-biodegradable pollutants are extremly harmful because they

Description : Non-biodegradable pollutants are extremly harmful because they

Last Answer : Non-biodegradable pollutants are extremly harmful because they A. Undergo biomagnification B. Remain in position ... not get recycled D. Both B and C

Non-biodegradable pollutants are extremly harmful because they

Description : Non-biodegradable pollutants are extremly harmful because they

Last Answer : Non-biodegradable pollutants are extremly harmful because they A. Undergo bimagnification B. Remain in position ... not get recyled D. Both B and C

Pollutants that cannot be made harmless constituents are called non-biodegradable

Description : Pollutants that cannot be made harmless constituents are called non-biodegradable

Last Answer : pollutants.

Distinguish between biodegradable and non-biodegradable pollutants.

Description : Distinguish between biodegradable and non-biodegradable pollutants.

Last Answer : Biodegradable pollutant Non-biodegradable pollutant 1. Pollutants which can be made 1. Pollutants which cannot be harmless by quick dilution or made harmless constituents conversion. 2. The ... the environment for a long time. 3. They cannot be decomposed by any known microorganisms

What are non-biodegradable pollutants? Give example

Description : What are non-biodegradable pollutants? Give example

Last Answer : The pollutants which cannot be converted into harmless constituents are called non- degradable pollutants. Ex: Lead vapours released from diesel combustion, can accumulate in the lungs. Insecticide like D.D.T from agricultural fields can accumulate in a pond.

Give reason: Lead vapours or D.D.T is a non-biodegradable pollutant.

Description : Give reason: Lead vapours or D.D.T is a non-biodegradable pollutant.

Last Answer : Lead vapours or D.D.T cannot be converted into harmless substance by any known biological activity hence they are referred to as non-biodegradable pollutants.

Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

Description : Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

Last Answer : (C) Persistent foam

Examples of biodegradable pollutants? -Biology

Description : Examples of biodegradable pollutants? -Biology

Last Answer : answer:

What are biodegradable pollutants? -Biology

Description : What are biodegradable pollutants? -Biology

Last Answer : answer:

Examples of biodegradable pollutants? -Biology

Description : Examples of biodegradable pollutants? -Biology

Last Answer : answer:

What are biodegradable pollutants? -Biology

Description : What are biodegradable pollutants? -Biology

Last Answer : answer:

Biodegradable pollutants is

Description : Biodegradable pollutants is

Last Answer : Biodegradable pollutants is A. Plastic B. Asbestos C. Sewage D. Mercury

What are biodegradable pollutants or temporary pollutants? Give examples.

Description : What are biodegradable pollutants or temporary pollutants? Give examples.

Last Answer : The pollutants that can be made harmless either by quick dilution to a very low concentration or by conversion are called biodegradable or temporary pollutants. They can be degraded by ... and become diluted. Sewage produced in cities can be made harmless by suitable biological treatment.

Which of the following is a biodegradable pollutant?

Description : Which of the following is a biodegradable pollutant?

Last Answer : Which of the following is a biodegradable pollutant? A. Sewage B. Plastic C. Polythene D. DDT

An example of biodegradable pollutant is

Description : An example of biodegradable pollutant is

Last Answer : sewage.

Give reason: Sulphur dioxide or sewage is a biodegradable pollutant.

Description : Give reason: Sulphur dioxide or sewage is a biodegradable pollutant.

Last Answer : Sulphur dioxide gets diluted with rainwater and becomes harmless. Sewage is made harmless by biological activity. Hence it is a biodegradable pollutant.

The presence of pollutants in the environment is usually expressed in ppm, where ppm stands for: (1) particles per mole (2) purity per microgram (3) pollutant prevent measures (4) parts per million

Description : The presence of pollutants in the environment is usually expressed in ppm, where ppm stands for: (1) particles per mole (2) purity per microgram (3) pollutant prevent measures (4) parts per million

Last Answer : (4) parts per million Explanation: PPM is an abbreviation of Parts Per Million. It is commonly used as a measure of small levels of pollutants in air, water, body fluids, etc. Parts per million is the mass ratio between the pollutant component and the solution.

There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? (A) Mercury (B) Arsenic (C) Aluminium (D) Lead

Description : There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? (A) Mercury (B) Arsenic (C) Aluminium (D) Lead

Last Answer : (C) Aluminium

The presence of pollutants in the environment is usually expressed in ppm, where ppm stands for: (1) particles per mole (2) purity per microgram (3) pollutant prevent measures (4) parts per million

Description : The presence of pollutants in the environment is usually expressed in ppm, where ppm stands for: (1) particles per mole (2) purity per microgram (3) pollutant prevent measures (4) parts per million

Last Answer : parts per million

What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

Description : What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

Last Answer : (2) Carbon monoxide and nicotine Explanation: Particulate matter consists of millions of tiny particles of diverse chemical composition. Particulate matter from tobacco smoke includes many particles in the size ... smoke and can enter deep into the lung where they can cause serious health problems.

What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

Description : What are the major pollutants of cigarette smoke? (1) Carbon monoxide and dioxin (2) Carbon monoxide and nicotine (3) Carbon monoxide and benzene (4) Dioxin and benzene

Last Answer : Carbon monoxide and nicotine

Consider the following statements 1. Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. 2. Ammonia can be liquefied at ambient temperatures and at low pressures. 3. Chlorofluorocarbons are air pollutants. The correct statement(s) is/are: (a) 1 and 3 only (b) 2 and 3 only (c) 1, 2 and 3 (d) 3 only

Description : Consider the following statements 1. Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. 2. Ammonia can be liquefied at ambient temperatures and at low pressures. 3. Chlorofluorocarbons are ... 3 only (b) 2 and 3 only (c) 1, 2 and 3 (d) 3 only

Last Answer : Ans:(a)

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin’s Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug resistant eukaryotes. (4) Man-created breeds of domesticated animals like dogs. (a) only (1) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)

Description : Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin's Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug ... ) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)

Last Answer : (c) (2), (3) and (4)

BHC is the common name of....?

Description : BHC is the common name of....?

Last Answer : Gamaxin

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

Chemical formula of BHC, which is an insecticide is (A) C6H6Cl6 (B) C6Cl6 (C) C6H5Cl (D) C6H4Cl2

Description : Chemical formula of BHC, which is an insecticide is (A) C6H6Cl6 (B) C6Cl6 (C) C6H5Cl (D) C6H4Cl2

Last Answer : (B) C6Cl6

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

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

Last Answer : d) None of the above. 

Domestic waste constitutes (a) non-biodegradable pollution (b) biodegradable pollution (c) effluents (d) air pollution.

Description : Domestic waste constitutes (a) non-biodegradable pollution (b) biodegradable pollution (c) effluents (d) air pollution.

Last Answer : (b) biodegradable pollution

Match the columns and choose the correct options `{:(,I,,II),((p),"e-waste",(i),"Waste clothing"),((q),"Biodegradable waste",(ii),"Dirt"),((r),"Inert

Description : Match the columns and choose the correct options `{:(,I,,II),((p),"e-waste",(i),"Waste clothing"),((q),"Biodegradable waste",(ii),"Dirt"),((r),"Inert

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Which one of the following statements pertaining to pollutants is correct?

Description : Which one of the following statements pertaining to pollutants is correct?

Last Answer : Which one of the following statements pertaining to pollutants is correct? A. DDT is nonbiodegradable ... in water may causes "itai itai" disease.

Which one of the following statements pertaining to pollutants is correct?

Description : Which one of the following statements pertaining to pollutants is correct?

Last Answer : Which one of the following statements pertaining to pollutants is correct? A. DDT is a non- ... mercury in water may cause "itai itai" disease

Do you think anthropogenic climate change could ever turn Earth into Venus?

Description : Do you think anthropogenic climate change could ever turn Earth into Venus?

Last Answer : No exactly, but close enough to kill off the humans. Don’t take my word for it, q.v. Stephen Hawking Fossil Fuel corporations would stop denying climate change, because they’d be destroyed.

What is your position on climate change as it relates to AGW (anthropogenic global warming)?

Description : What is your position on climate change as it relates to AGW (anthropogenic global warming)?

Last Answer : Hold on. Let me ask Matt Browne. :)

What is anthropogenic pollution? -Biology

Description : What is anthropogenic pollution? -Biology

Last Answer : answer:

What is anthropogenic pollution? -Biology

Description : What is anthropogenic pollution? -Biology

Last Answer : answer:

The emission of which greenhouse gase of which entirely anthropogenic? -Do You Know?

Description : The emission of which greenhouse gase of which entirely anthropogenic? -Do You Know?

Last Answer : answer:

Anthropogenic or Man-made disasters are- 

Description : Anthropogenic or Man-made disasters are- 

Last Answer : Identify the incorrect factor: Anthropogenic or Man-made disasters are- (a) Industrial ... c) Nuclear accidents (d) Transportation accidents