Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.

Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.
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Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the ... but reason is wrong D. Both are wrong
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Now-a-days use of DDT as insecticide is banned because

Description : Now-a-days use of DDT as insecticide is banned because

Last Answer : Now-a-days use of DDT as insecticide is banned because A. It is less effective than other pesticides ... is vary high D. It has long residual effect.

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

Dichloro diphenyl __________ is the full form of DDT (an insecticide).(A) Tetrachloroethane (B) Trichloroethane (C) Tetrachloromethane (D) Trichloromethane

Description : Dichloro diphenyl __________ is the full form of DDT (an insecticide). (A) Tetrachloroethane (B) Trichloroethane (C) Tetrachloromethane (D) Trichloromethane

Last Answer : (B) Trichloroethane

Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong

Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b

Description : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b

Last Answer : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of ... and Reason are false, then mark (4).

Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the correct answer. (A) Both A and R is true and R is the correct explanation of A (B) Both A and R is true but R is not the correct explanation of A (C) A is true but R is false (D) A is false but R is true

Description : Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the ... explanation of A (C) A is true but R is false (D) A is false but R is true

Last Answer : (A) Both A and R is true and R is the correct explanation of A

Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent. Reason (R) : Introduction of multi-point fu

Description : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent. Reason (R) : Introduction of multi-point fu

Last Answer : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent ... but reason is wrong D. Both are wrong

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Description : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Last Answer : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. ... , fungi,algae and bryophytes is haploid.

Assertion (A): There are several goods and services that society needs however private sector doesn‘t produce all of them. Reason (R): Private sector is profit driven. (a) Both A & R are true and R is the correct explanation of A (b) Both A & R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) Both A & R are false.

Description : Assertion (A): There are several goods and services that society needs however private sector doesn t produce all of them. Reason (R): Private sector is profit driven. (a) Both A & R are true and R is the correct ... correct explanation of A. (c) A is true but R is false. (d) Both A & R are false.

Last Answer : (a) Both A & R are true and R is the correct explanation of A

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion: Fast decoupled load flow method gives approximate load flow solution because it uses several assumptions. Reason: Accuracy depends on the power mismatch vector tolerance. a) Both [a] and [r] are true and [r] is the correct reason for [a]. b) Both [a] and [r] are true and [r] is not the correct reason for [a]. c) [a] is false and [r] is true.

Description : Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion: Fast decoupled load flow method gives approximate load flow solution because it uses several assumptions. Reason: Accuracy ... the correct reason for [a]. c) [a] is false and [r] is true.

Last Answer : c) [a] is false and [r] is true

Assertion: Agriculture and aquacultures are man-maintained ecosystems. Reason: All biotic and abiotic factors are managed by humans in these ecosystem

Description : Assertion: Agriculture and aquacultures are man-maintained ecosystems. Reason: All biotic and abiotic factors are managed by humans in these ecosystem

Last Answer : Assertion: Agriculture and aquacultures are man-maintained ecosystems. Reason: All biotic and abiotic factors ... and Reason are false, then mark (4)

Assertion (A): The development of agriculture and industry leads to the development of tertiary sector. Reason (R): As the agriculture and industrial sectors develop, the demand for storage, transport, banking, insurance, etc, increases. (a) Both A & R are true and R is the correct explanation of A (b) Both A & R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) Both A & R are false.

Description : Assertion (A): The development of agriculture and industry leads to the development of tertiary sector. Reason (R): As the agriculture and industrial sectors develop, the demand for storage, transport, banking, insurance, etc, increases ... A. (c) A is true but R is false. (d) Both A & R are false.

Last Answer : (a) Both A & R are true and R is the correct explanation of A

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))

First bioinsecticide developed commercial scale was (a) quinine (b) DDT (c) organophosphate (d) sporeine

Description : First bioinsecticide developed commercial scale was (a) quinine (b) DDT (c) organophosphate (d) sporeine

Last Answer : (d) sporeine

Nestle develops a scale to measure young adults' attitudes toward snacking. There is concern that if the questions were given to the same person several times they would produce different answers, Nestle is concerned about the scale's A)validity B)capacity C)dependability D)reliability

Description : Nestle develops a scale to measure young adults' attitudes toward snacking. There is concern that if the questions were given to the same person several times they would produce different answers, Nestle is concerned about the scale's A)validity B)capacity C)dependability D)reliability

Last Answer : D)reliability

Assertion` :` Cardiac output is the volume of blood pumped out by each ventricle per minute. Reason `:` Ther cardiac output of an athlete will be much

Description : Assertion` :` Cardiac output is the volume of blood pumped out by each ventricle per minute. Reason `:` Ther cardiac output of an athlete will be much

Last Answer : Assertion` :` Cardiac output is the volume of blood pumped out by each ventricle per minute. Reason `: ... . D. If both Assertion & Reason are false.

Three mountain climbers paid a lot of money to be the first to scale a mountain. After several days of climbing they finally reached the pinnacle, and to their dismay, found a cabin and three frozen bodies. Since the mountain climbers were the first to ever climb the summit, how could this be possible? -Riddles

Description : Three mountain climbers paid a lot of money to be the first to scale a mountain. After several days of climbing they finally reached the pinnacle, and to their dismay, found a cabin and three ... the mountain climbers were the first to ever climb the summit, how could this be possible? -Riddles

Last Answer : They found a cabin of an airplane that had crashed there with 3 bodies in it.

Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are increased two times, then null point length will rema

Description : Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are increased two times, then null point length will rema

Last Answer : Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are ... If Assertion is false but Reason is true.

In the new Panchayati Raj Bill enacted in 1993, there are several fresh provisions deviating from the past. Which one of the following is not one such provisions? (1) A number of added responsibilities in the area of agriculture rural development, primary education and social forestry among other (2) Elections being made mandatory for all posts at the time they are due (3) A statutory representation for women in the panchayats, up to a third of the strength (4) Regular remuneration to the panchayat members, so as to ensure their punctuality and accountability

Description : In the new Panchayati Raj Bill enacted in 1993, there are several fresh provisions deviating from the past. Which one of the following is not one such provisions? (1) A number of ... strength (4) Regular remuneration to the panchayat members, so as to ensure their punctuality and accountability

Last Answer : (4) Regular remuneration to the panchayat members, so as to ensure their punctuality and accountability Explanation: Provision given in option (4) is not included under 73rd amendment act 1993.

Assertion (A) – 12th five-year plan encouraged the development of agriculture, education, etc. 

Description : Assertion (A) – 12th five-year plan encouraged the development of agriculture, education, etc. 

Last Answer : Assertion and Reasoning - Choose the correct answer from the following: Assertion (A) - 12th five-year ... R) is not the correct explanation of (A).

How many bars of introduction are played before the voice enters in give me a reason?

Description : How many bars of introduction are played before the voice enters in give me a reason?

Last Answer : What is the answer ?

How long is the actual care if A scale model of a race car is 18.2 cm long and 6.9 cm wide. Each centimeter on the model represents 0.3 m on the actual car. How long is the actual car?

Description : How long is the actual care if A scale model of a race car is 18.2 cm long and 6.9 cm wide. Each centimeter on the model represents 0.3 m on the actual car. How long is the actual car?

Last Answer : 0.0625

Pick out the wrong statement. (A) Constant pressure distillation cannot separate an Azeotropic mixture (B) Relative volatility of a binary mixture changes appreciably with the minor change in temperature (C) The relative volatility of a binary mixture at Azeotropic composition is unity (D) Flash distillation is practised on wide spread scale in petroleum refinery

Description : Pick out the wrong statement. (A) Constant pressure distillation cannot separate an Azeotropic mixture (B) Relative volatility of a binary mixture changes appreciably with the minor change in ... unity (D) Flash distillation is practised on wide spread scale in petroleum refinery

Last Answer : (B) Relative volatility of a binary mixture changes appreciably with the minor change in temperature

Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Description : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Last Answer : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate ... D. If both Assertion & Reason are false.

Assertion : Urinary Bladder is lined by transitional epithelium . Reason : Transitional epithelium keeps the size of the bladder constant at all times

Description : Assertion : Urinary Bladder is lined by transitional epithelium . Reason : Transitional epithelium keeps the size of the bladder constant at all times

Last Answer : Assertion : Urinary Bladder is lined by transitional epithelium . Reason : Transitional epithelium keeps ... If both Assertion & Reason are false.

Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net resistance becomes 1/16 times. Reason : In parall

Description : Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net resistance becomes 1/16 times. Reason : In parall

Last Answer : Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net ... D. If Assertion is false but Reason is true.

Assertion (A): The coin when flipped next time will come up tails. Reason (R): Because the coin was flipped five times in a row, and each time it came up heads. Choose the correct answer from below: (A) Both (A) and (R) are true, and (R) is the correct explanation of (A). (B) Both (A) and (R) are false, and (R) is the correct explanation of (A). (C) (A) is doubtful, (R) is true, and (R) is not the correct explanation of (A). (D) (A) is doubtful, (R) is false, and (R) is the correct explanation of (A).

Description : Assertion (A): The coin when flipped next time will come up tails. Reason (R): Because the coin was flipped five times in a row, and each time it came up heads. Choose the correct answer from below: (A) Both (A ... A). (D) (A) is doubtful, (R) is false, and (R) is the correct explanation of (A).

Last Answer : (C) (A) is doubtful, (R) is true, and (R) is not the correct explanation of (A).

Assertion (A): For an effective classroom communication at times it is desirable to use the projection technology. Reason (R): Using the projection technology facilitates extensive coverage of course contents. (A) Both (A) and (R) are true, and (R) is the correct explanation. (B) Both (A) and (R) are true, but (R) is not the correct explanation. (C) (A) is true, but (R) is false. (D) (A) is false, but (R) is true.

Description : Assertion (A): For an effective classroom communication at times it is desirable to use the projection technology. Reason (R): Using the projection technology facilitates extensive coverage of course contents. (A) Both (A) and (R) ... ) is true, but (R) is false. (D) (A) is false, but (R) is true.

Last Answer : (B) Both (A) and (R) are true, but (R) is not the correct explanation.

What is treatment for a rust-colored scale and dead leaves on several large twigs?

Description : What is treatment for a rust-colored scale and dead leaves on several large twigs?

Last Answer : Need Answer

Why are some spiders not affected by insecticide?

Description : Why are some spiders not affected by insecticide?

Last Answer : What are the active ingredients in the insecticide?

Home remedies for puppy insecticide poisoning

Description : My puppy is lethargic after being out in the yard today. Yesterday we had treated the yard with insecticide. Are there any home remedies I can use to help her. We cannot afford a vet. Any suggestions would be helpful.

Last Answer : Before administering any home remedy, immediately call your Poison Control Center. The information you should give them is which poison was ingested, when it was ingested, how much, and symptoms. I would ... equal parts of white vinegar and dish soap. Works wonders and is not dangerous to animals.

Which insecticide will stop bugs eating impatiens leaves?

Description : Which insecticide will stop bugs eating impatiens leaves?

Last Answer : Need Answer

can i mix insecticide and dacronil and apply in the same spraying

Description : can i mix insecticide and dacronil and apply in the same spraying

Last Answer : Need Answer

is pepper water good as an insecticide?

Description : is pepper water good as an insecticide?

Last Answer : My neighbor uses hot sauce in water.....until it tastes a little hot then she adds 1 teasp liquid soap and spray her flowers to keep the deer away. We never tried this on food products.

Why does my grapevine smell like strong insecticide?

Description : Why does my grapevine smell like strong insecticide?

Last Answer : Need Answer

how does one get rid of tomatoe worms without using insecticide?

Description : how does one get rid of tomatoe worms without using insecticide?

Last Answer : I always enjoyed going out daily and hunting them down. Hopefully you're not talking about acres of tomatos, just a few plants? I take a bucket of water with me and when I find them I pinch off ... if you don't get them before they lay their eggs. Check the underside of leaves too. Good hunting!

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

A persistent insecticide is

Description : A persistent insecticide is

Last Answer : A persistent insecticide is A. Organophosphates B. carbamates C. Thiocarbamates D. Chlorinated hydrocarbons.

Insecticide poisoning?

Description : Insecticide poisoning?

Last Answer : DefinitionInsecticide is a chemical that kills bugs. Insecticide poisoning occurs when someone swallows or breathes in this substance.This is for information only and not for use in the ... Industrial insecticides, often found in household garages and greenhouses, contain many dangerous substances,

Gypsum is added to the soil? (a) To increase the alkalinity (b) To decrease the acidity (c) To decrease the alkalinity (d) As an insecticide

Description : Gypsum is added to the soil? (a) To increase the alkalinity (b) To decrease the acidity (c) To decrease the alkalinity (d) As an insecticide

Last Answer : Ans:(b)

Quarantine regulation is concerned with (1) growing of better varieties of plant (2) prevention of entry of diseased organism (3) spraying of insecticide over diseased plants (4) identification of diseased organism

Description : Quarantine regulation is concerned with (1) growing of better varieties of plant (2) prevention of entry of diseased organism (3) spraying of insecticide over diseased plants (4) identification of diseased organism

Last Answer : (2) prevention of entry of diseased organism Explanation: Quarantine is compulsory isolation, typically to contain the spread of something considered dangerous, often but not always disease. Quarantine ... hold the relevant import permit, which can be obtained, from the relevant country Authority.

Penicillin is widely used as – (1) an antiseptic (2) a disinfectant (3) an antibiotic (4) an insecticide

Description : Penicillin is widely used as – (1) an antiseptic (2) a disinfectant (3) an antibiotic (4) an insecticide

Last Answer : (3) an antibiotic Explanation: Penicillin V is an antibiotic in the penicillin group of drugs. It fights bacteria in your body.

KMnO4 can be used as a/an - (1) insecticide (2) fertiliser (3) pesticide (4) disinfectant

Description : KMnO4 can be used as a/an - (1) insecticide (2) fertiliser (3) pesticide (4) disinfectant

Last Answer : (4) disinfectant Explanation: Potassium permanganate is an inorganic chemical compound with the formula KMnO4. As an oxidant, potassium permanganate can act as an antiseptic. For example, dilute solutions ... infections of the hands or feet. It is used extensively in the water treatment industry.

Malathion is a/an - (1) insecticide (2) fumigant (3) preservative (4) pesticide

Description : Malathion is a/an - (1) insecticide (2) fumigant (3) preservative (4) pesticide

Last Answer : (1) insecticide Explanation: Malathion is an organophosphate (OP) insecticide that has been registered for use in the United States since 1956. It is widely used in agriculture, residential ... health pest control programs such as mosquito eradication. It is of relatively low human toxicity.

KMnO4 can be used as – (1) Insecticide (2) Fertilizer (3) Pesticide (4) Disinfectant

Description : KMnO4 can be used as – (1) Insecticide (2) Fertilizer (3) Pesticide (4) Disinfectant

Last Answer : (4) Disinfectant Explanation: Potassium permanganate is an inorganic chemical compound with the formula KMnO4. As an oxidant, potassium permanganate can act as an antiseptic. For example, dilute ... of the hands or feet. Potassium permanganate is used extensively in the water treatment industry.

The bacterium Bacillus thuringiensis is widely used in contemporary biology as (a) insecticide (b) agent for production of dairy products (c) source of industrial enzyme (d) indicator of water pollution

Description : The bacterium Bacillus thuringiensis is widely used in contemporary biology as (a) insecticide (b) agent for production of dairy products (c) source of industrial enzyme (d) indicator of water pollution

Last Answer : (a) insecticide

The rotenone is (a) a natural herbicide (b) a natural insecticide (c) an insect hormone (d) a bioherbicide.

Description : The rotenone is (a) a natural herbicide (b) a natural insecticide (c) an insect hormone (d) a bioherbicide.

Last Answer : (b) a natural insecticide

is generally added to water when processing flowers in a retail floral shop. a. Herbicide b. Insecticide c. Biocide d. Algicide

Description : is generally added to water when processing flowers in a retail floral shop. a. Herbicide b. Insecticide c. Biocide d. Algicide

Last Answer : Biocide

Which one of the following is natural insecticide? (a) pyrethrum (b) nicotine (c) both (a) and (b) (d) none of these

Description : Which one of the following is natural insecticide? (a) pyrethrum (b) nicotine (c) both (a) and (b) (d) none of these

Last Answer : (c) both (a) and (b)

Which of the following is not an insecticide? a. Parathion b. Aldrin c. Triazines d. Baygon

Description : Which of the following is not an insecticide? a. Parathion b. Aldrin c. Triazines d. Baygon

Last Answer : c. Triazines