Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is one of the organochlorine pesticides.

Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is one of the organochlorine pesticides.
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Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is ... reason is wrong D. Both are wrong
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Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong

Pheretima posthuma is highly useful as (a) their burrows make the soil loose (b) they make the soil porous, leave their castings and take organic debris in the soil (c) they are used as fish meal (d) they kill the birds due to biomagnification of chlorinated hydrocarbons.

Description : Pheretima posthuma is highly useful as (a) their burrows make the soil loose (b) they make the soil porous, leave their castings and take organic debris in the soil (c) they are used as fish meal (d) they kill the birds due to biomagnification of chlorinated hydrocarbons.

Last Answer : (b) they make the soil porous, leave their castings and take organic debris in the soil

An organochlorine insecticide is

Description : An organochlorine insecticide is

Last Answer : An organochlorine insecticide is A. DDT/aldrin B. Malathion C. Tetraethyl pyrophophate D. Thiocarbamate

Presticides are used to destroy – (1) micro-organisms (2) poisonous substances in soil (3) poisonous plants (4) insects

Description : Presticides are used to destroy – (1) micro-organisms (2) poisonous substances in soil (3) poisonous plants (4) insects

Last Answer : (4) insects Explanation: A pesticide is generally a chemical or biological agent (such as a virus, bacterium, antimicrobial or disinfectant) that through its effect deters, incapacitates, kills or ... , plant pathogens, weeds, mollusks, birds, mammals, fish, nematodes (roundworms), and microbes.

Presticides are used to destroy (1) micro-organisms (2) poisonous substances in soil (3) poisonous plants (4) insects

Description : Presticides are used to destroy (1) micro-organisms (2) poisonous substances in soil (3) poisonous plants (4) insects

Last Answer : insects

Are organic pesticides/fungicides really better than synthetics?

Description : Are organic pesticides/fungicides really better than synthetics?

Last Answer : answer:Considering certain synthetic pesticides break down into radioactive isotopes of elements like polonium in the presence of air, heat, light, and water (all needed for growing things ... but also provides trace micronutrients, virtually any pest problem can be prevented, or eradicated.

Which of the following listed is not a feature of organic farming? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-or-danisms tin (3) Use of synthetic fertilizers (4) Very less energy consumption

Description : Which of the following listed is not a feature of organic farming? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-or-danisms tin (3) Use of synthetic fertilizers (4) Very less energy consumption

Last Answer : (3) Use of synthetic fertilizers Explanation: Organic farming is a form of agriculture that re-lies on techniques such as crop rotation, green manure, compost, and biological pest ... but it excludes the use of synthetic petrochemical fertilizers and pesticides, plant growth regulators, etc.

Organic food is supposed to be better for human consumption because – (1) It is grown in glass house air tight environment (2) It is grown without the use of chemicals & synthetic pesticides (3) It depends on chemicals & fertilizers (4) It is too expensive to buy

Description : Organic food is supposed to be better for human consumption because – (1) It is grown in glass house air tight environment (2) It is grown without the use of chemicals & synthetic pesticides (3) It depends on chemicals & fertilizers (4) It is too expensive to buy

Last Answer : (2) It is grown without the use of chemicals & synthetic pesticides Explanation: There are at least two good arguments for eating organic: fewer pesticides and more nutrients. In ... organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed pro-duce.

Consider the following statements (A–D) about organic farming. (A) Utilizes genetically modified crops like Bt cotton (B) Uses only naturally produced inputs like compost (C) Does not use pesticides and urea (D) Produces vegetables rich in vitamins and minerals Which of the above statements are correct? (a) B, C and D (b) C and D only (c) B and C only (d) A and B only

Description : Consider the following statements (A-D) about organic farming. (A) Utilizes genetically modified crops like Bt cotton (B) Uses only naturally produced inputs like compost (C) Does not use pesticides and urea (D) Produces vegetables ... C and D (b) C and D only (c) B and C only (d) A and B only

Last Answer : (c) B and C only

Which of the following listed is not a feature of organic farming ? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-organisms (3) Use of synthetic fertilizers (4) Very less energy consumption

Description : Which of the following listed is not a feature of organic farming ? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-organisms (3) Use of synthetic fertilizers (4) Very less energy consumption

Last Answer : Use of synthetic fertilizers

Organic food is supposed to be better for human consumption because : (1) It is grown in glass house & air tight environment. (2) It is grown without the use of chemicals & synthetic pesticides. (3) It depends on chemicals & fertilizers. (4) It is too expensive to buy.

Description : Organic food is supposed to be better for human consumption because : (1) It is grown in glass house & air tight environment. (2) It is grown without the use of chemicals & synthetic pesticides. (3) It depends on chemicals & fertilizers. (4) It is too expensive to buy.

Last Answer : It is grown without the use of chemicals & synthetic pesticides. 

I've been using selftanner lately, will my tan wash off in a chlorinated pool?

Description : I've been using selftanner lately, will my tan wash off in a chlorinated pool?

Last Answer : Actually it will turn you a pale shade of green, so watch out.

Assertion:- Ionic compounds exhibits electrical conductivity in solution state. Reason :- In solution state electrons of ionic compounds are free.

Description : Assertion:- Ionic compounds exhibits electrical conductivity in solution state. Reason :- In solution state electrons of ionic compounds are free.

Last Answer : Assertion:- Ionic compounds exhibits electrical conductivity in solution state. Reason :- In solution state ... . If both Assertion & Reason are false

Assertion :- Oxidation number of `S` in `HSO_(3)^(-)` is `+4`. Reason :- Sulphur is in different oxidation state in different compounds.

Description : Assertion :- Oxidation number of `S` in `HSO_(3)^(-)` is `+4`. Reason :- Sulphur is in different oxidation state in different compounds.

Last Answer : Assertion :- Oxidation number of `S` in `HSO_(3)^(-)` is `+4`. Reason :- Sulphur is in ... Reason is False. D. If both Assertion & Reason are False.

Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason: These compounds lead to reduced visibility

Description : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason: These compounds lead to reduced visibility

Last Answer : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason ... and Reason are false, then mark (4).

Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong

Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content in water body and, hence, the growth of

Description : Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content in water body and, hence, the growth of

Last Answer : Assertion: Sewage discharge in a water body causes eutrophication. Reason: This increases the organic content ... Reason are false, then mark (4).

Assertion(A): Ethyl alcohol is soluble in organic solvents Reason (R): Ethyl alcohol is having non polar ethyl group

Description : Assertion(A): Ethyl alcohol is soluble in organic solvents Reason (R): Ethyl alcohol is having non polar ethyl group

Last Answer : Assertion(A): Ethyl alcohol is soluble in organic solvents Reason (R): Ethyl alcohol is having non polar ... is false D. A is false but R is true

Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition compound with ethyl alcohol

Description : Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition compound with ethyl alcohol

Last Answer : Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition ... is false D. A is false but R is true

What is the reason for the high number of organic compounds ?

Description : What is the reason for the high number of organic compounds ?

Last Answer : The reasons for the high number of organic compounds are: 1) Cation of carbon element 2) Electronegativity and bonding strength of carbon 3) Equivalence of organic compounds

Is there a good brand of un-chlorinated cake flour?

Description : Is there a good brand of un-chlorinated cake flour?

Last Answer : I’m not sure this is completely un-chlorinated (as cake flour can be treated with chlorine gas as well as bleach), but here is an unbleached cake flour. It looks as though it performs somewhere between all-purpose and traditional cake flours.

Where can I buy non-chlorinated water in Phoenix, Arizona?

Description : Where can I buy non-chlorinated water in Phoenix, Arizona?

Last Answer : Wal mart sells it where I live.

In human body, the chlorinated hydrocarbons keep on accumulating in:

Description : In human body, the chlorinated hydrocarbons keep on accumulating in:

Last Answer : In human body, the chlorinated hydrocarbons keep on accumulating in: A. Bones B. Brain C. Fatty tissue D. Skin.

‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Description : ‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Last Answer : (3) chlorofluoro hydrocarbon Explanation: In addition to fluorine and carbon, Freons often contain hydrogen, chlorine, or bromine. Thus, Freons are types of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and related compounds.

‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Description : ‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Last Answer : (3) chlorofluoro hydrocarbon Explanation: In addition to fluorine and carbon, Freons often contain hydrogen, chlorine, or bromine. Thus, Freons are types of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and related compounds.

Q No: 291 The coagulant widely used for sewage treatment, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Description : Q No: 291 The coagulant widely used for sewage treatment, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Last Answer : ANS: B

The coagulant which is generally not used for treating the sewage, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Description : The coagulant which is generally not used for treating the sewage, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Last Answer : ANS: A

Rubber lined pumps can be used to pump (A) Caustic soda (B) Chlorinated brine (C) Hypochlorous acid (D) All (A), (B) and (C)

Description : Rubber lined pumps can be used to pump (A) Caustic soda (B) Chlorinated brine (C) Hypochlorous acid (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Aerobic biological oxidation ponds used for the purification of polluted water (A) Destroys/removes pathogen from the sewage (B) Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents (C) Destroys/removes pathogen much more effectively if the sewage is chlorinated (D) All (A), (B) & (C)

Description : Aerobic biological oxidation ponds used for the purification of polluted water (A) Destroys/removes pathogen from the sewage (B) Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents (C) ... much more effectively if the sewage is chlorinated (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Which of the following, when pyrolysed, produces Perchloroethylene? (A) Ethylene dichloride (B) Chlorobenzene (C) Carbon tetrachloride (D) Chlorinated paraffin

Description : Which of the following, when pyrolysed, produces Perchloroethylene? (A) Ethylene dichloride (B) Chlorobenzene (C) Carbon tetrachloride (D) Chlorinated paraffin

Last Answer : (C) Carbon tetrachloride

Presence of H2S in raw water (to be chlorinated) results in the (A) Reduced softening capacity of zeolite (B) Increased dosage of chlorine to provide a disinfecting residual in the water (C) Easy removal of its hardness (D) None of these

Description : Presence of H2S in raw water (to be chlorinated) results in the (A) Reduced softening capacity of zeolite (B) Increased dosage of chlorine to provide a disinfecting residual in the water (C) Easy removal of its hardness (D) None of these

Last Answer : (B) Increased dosage of chlorine to provide a disinfecting residual in the water

By adding 1 ml of Orthotolidine solution to 100 ml chlorinated water taken after contact period, the residual chlorine makes the colour of solution (A) Yellowish (B) Greenish (C) Bluish (D) Reddish

Description : By adding 1 ml of Orthotolidine solution to 100 ml chlorinated water taken after contact period, the residual chlorine makes the colour of solution (A) Yellowish (B) Greenish (C) Bluish (D) Reddish

Last Answer : (A) Yellowish

Are we still exporting pesticides used in agriculture that have been banned in the US to other countries?

Description : Are we still exporting pesticides used in agriculture that have been banned in the US to other countries?

Last Answer : Yes more

Which of the following pesticides has been banned in India ? (A) Rogor (B) DDT (C) Metasystox (D) Dimecron

Description : Which of the following pesticides has been banned in India ? (A) Rogor (B) DDT (C) Metasystox (D) Dimecron

Last Answer : (B) DDT

Which of the following agricultural practices have been primarily responsible for pollution of our water resources ? A. Use of live-stock manure B. Use of chemical fertilisers C. Excessive use of chemical pesticides D. Deforestation (1) B and C (2) A, C and D (3) A and B (4) A, B and D

Description : Which of the following agricultural practices have been primarily responsible for pollution of our water resources ? A. Use of live-stock manure B. Use of chemical fertilisers C. Excessive use of chemical pesticides D. Deforestation (1) B and C (2) A, C and D (3) A and B (4) A, B and D

Last Answer : B and C

The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been

Description : The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been

Last Answer : The complex organic compounds that may have first evolved in the direction of origin of life on ... Proteins, nucleic-acid D. Protein, amino-acid

Does Celestial, a brand that makes teas, still use pesticides?

Description : Does Celestial, a brand that makes teas, still use pesticides?

Last Answer : I couldn’t find any organic Celestial Seasonings Sleepytime tea, so they still might be using them.

Boxed cereals (like Froot Loops) have pesticides laced into the plastic bags to keep bugs out. What chemicals are used?

Description : Boxed cereals (like Froot Loops) have pesticides laced into the plastic bags to keep bugs out. What chemicals are used?

Last Answer : Interesting. I’d never heard this before. Do you have a link to a source that I could check out? Very disturbing if true.

2 questions about wasps... is there a way to kill a wasp nest without pesticides, and do they have any type of memory?

Description : 2 questions about wasps... is there a way to kill a wasp nest without pesticides, and do they have any type of memory?

Last Answer : I had to deal with a nest by my pool yesterday. You can knock it down with a super soaker, and they will abandon a nest that is on the ground.

What is the best way to kill ants without pesticides?

Description : What is the best way to kill ants without pesticides?

Last Answer : Shoes.

What are the best pesticides for apples

Description : What are the best pesticides for apples

Last Answer : Here is a good video on wooly aphids and codling moths and the procedures used to control them:

Are there any good natural pesticides?

Description : Are there any good natural pesticides?

Last Answer : Yes, plenty, and here is one for you as you can mix it up now and it will prevent most insects from approaching any of your plants: 1 Gallon of lukewarm water, mix with 4 ounces of concentrated ... most major organs, so they avoid the area like a plague, this, however, does no harm to beetles.

what pesticides can I used for fruits worms

Description : what pesticides can I used for fruits worms

Last Answer : I use dormant oil for our fruit trees.............apply fall and then again in the spring spray in the spring until the flower opens..........once opened do not spray the flower spray very ... at Walmart, must follow the measurements on the container............also sold at Lowes and Home Depot.

how to make oregano pesticides

Description : how to make oregano pesticides

Last Answer : Need Answer

How do I get rid of snails in garden without pesticides?

Description : How do I get rid of snails in garden without pesticides?

Last Answer : first thing that I would do is make a sunken beer container for them, use any old lid like a top from peanut butter, change watering to early am instead of evening as they like it moist & dark.... ... let mint grow around your garden......hand pick & take away......make garlic spray Happy Summer.

what lawn greening companies do not use pesticides?

Description : what lawn greening companies do not use pesticides?

Last Answer : Need Answer

which of the following statements about pesticides and herbicides is not true? -General Knowledge

Description : which of the following statements about pesticides and herbicides is not true? -General Knowledge

Last Answer : Once the pesticides and herbicides break down, they are no longer harmful, is not true about pesticides and herbicides.

How genetically modified plants can reduce usage of chemical pesticides? -Biology

Description : How genetically modified plants can reduce usage of chemical pesticides? -Biology

Last Answer : answer:

Pesticides are considered as hazardous because they

Description : Pesticides are considered as hazardous because they

Last Answer : Pesticides are considered as hazardous because they A. Presist in environment B. Do not enter food ... D. Do not kill natural enemy populations .

Pollution caused by persistent pesticides is relatively more dangerous to which type of organisms?

Description : Pollution caused by persistent pesticides is relatively more dangerous to which type of organisms?

Last Answer : Pollution caused by persistent pesticides is relatively more dangerous to which type of organisms? A. ... C. First level carnivores D. Top carnivores.