What is the chemical name of MCPA ? a).2-(4-chloro-2 methylphenoxy acid b). 4-(4 chloro-2 methylphenoxy acid c). 4- chloro-2 –methylphenoxy acid d). 2,4-dichlorophenoxy acid

What is the chemical name of MCPA ?
a).2-(4-chloro-2 methylphenoxy acid
b). 4-(4 chloro-2 methylphenoxy acid
c). 4- chloro-2 –methylphenoxy acid
d). 2,4-dichlorophenoxy acid
by

2 Answers

Answer :

c). 4- chloro-2 –methylphenoxy acid
by

Answer :

Deep germinating weed seeds are at depth of
by

Related questions

Which herbicide is amino acid synthesis inhibitor a). Glyphosate b). 2,4-D c). MCPA d).Atrazine

Description : Which herbicide is amino acid synthesis inhibitor a). Glyphosate b). 2,4-D c). MCPA d).Atrazine

Last Answer : a). Glyphosate

Which of the weeds are rapidly controlled by MCPA than 2,4-D a). Nutsedge b). Canada thistle c). Both d). None

Description : Which of the weeds are rapidly controlled by MCPA than 2,4-D a). Nutsedge b). Canada thistle c). Both d). None

Last Answer : c). Both

At sub lethal dose which of the herbicides improves colour of the apple a). 2,4-D b). 2,4,5-T c). MCPA d). All of these

Description : At sub lethal dose which of the herbicides improves colour of the apple a). 2,4-D b). 2,4,5-T c). MCPA d). All of these

Last Answer : b). 2,4,5-T

First introduced organic herbicide in the world is a). Dinoseb b). 2,4-D c). MCPA d). All of these

Description : First introduced organic herbicide in the world is a). Dinoseb b). 2,4-D c). MCPA d). All of these

Last Answer : a). Dinoseb

MCPA was developed during 1945 in Eng land by a). W.G. Templeman b). W.A. Sexton c). Both of them d). None of these

Description : MCPA was developed during 1945 in Eng land by a). W.G. Templeman b). W.A. Sexton c). Both of them d). None of these

Last Answer : c). Both of them

4. Reverse metabolism induce the suscepti bility to weeds by a). 2,4-D b). MCPA c). Both a and b d). None of these

Description : 4. Reverse metabolism induce the suscepti bility to weeds by a). 2,4-D b). MCPA c). Both a and b d). None of these

Last Answer : c). Both a and b

. Which is the widely used herbicide to con trol broadleaved weeds in winter grains? a). 2,4-D b). MCPA c). Both a and b d). Atrazine

Description : . Which is the widely used herbicide to con trol broadleaved weeds in winter grains? a). 2,4-D b). MCPA c). Both a and b d). Atrazine

Last Answer : c). Both a and b

Microbial breakdown of phenoxy herbicides such as 2,4-D and MCPA is enhanced by addition of a). Nitrate b). Sulphate c). Phosphate d). Chlorate

Description : Microbial breakdown of phenoxy herbicides such as 2,4-D and MCPA is enhanced by addition of a). Nitrate b). Sulphate c). Phosphate d). Chlorate

Last Answer : c). Phosphate

Which herbicide mode of action is pigment inhibitor? a). MCPA b). Fluchloralin c). Chlomazone d). 2,4-D

Description : Which herbicide mode of action is pigment inhibitor? a). MCPA b). Fluchloralin c). Chlomazone d). 2,4-D

Last Answer : c). Chlomazone

Which herbicide’s mode of action is root growth inhibition? a). Fluchloralin b). MCPA c). Glyphosate d). Alachlor

Description : Which herbicide’s mode of action is root growth inhibition? a). Fluchloralin b). MCPA c). Glyphosate d). Alachlor

Last Answer : d). Alachlor

What is the chemical name of Dicamba ? a).3-amino-2,5-dichlorobenzoic acid b). 3,6-dichloro2-metoxybenzoic acid c). 2,3,6- trichlorobenzoic acid d). None of the above

Description : What is the chemical name of Dicamba ? a).3-amino-2,5-dichlorobenzoic acid b). 3,6-dichloro2-metoxybenzoic acid c). 2,3,6- trichlorobenzoic acid d). None of the above

Last Answer : b). 3,6-dichloro2-metoxybenzoic acid

A selectivity achieved due to manipulation of time of application is called a).Biochemical b). Chronological c). Chemical d). Physical

Description : A selectivity achieved due to manipulation of time of application is called a).Biochemical b). Chronological c). Chemical d). Physical

Last Answer : b). Chronological

Selectivity achieved due to changes in functional group is called a). Physical b). Biological c). Chemical d). Chronological

Description : Selectivity achieved due to changes in functional group is called a). Physical b). Biological c). Chemical d). Chronological

Last Answer : d). Chronological

The _____________ selectivity is an ex ample of true selectivity a). Chronological b). Biochemical c). Chemical d). None

Description : The _____________ selectivity is an ex ample of true selectivity a). Chronological b). Biochemical c). Chemical d). None

Last Answer : b). Biochemical

Commonly used chemical fertilizer to con trol submerged weeds and water bloom non -selectively a). Anhydrous ammonia b). Ammonium sulphate c). Ammonium nitrate d). Urea

Description : Commonly used chemical fertilizer to con trol submerged weeds and water bloom non -selectively a). Anhydrous ammonia b). Ammonium sulphate c). Ammonium nitrate d). Urea

Last Answer : d). Urea

Ammonium nitrate acts as chemical stimu lant to control a). Wild oats b). Eleusine indica c). Echinochloa colona d). All of these

Description : Ammonium nitrate acts as chemical stimu lant to control a). Wild oats b). Eleusine indica c). Echinochloa colona d). All of these

Last Answer : d). All of these

Chemical control of Parthenium hys terophorus a). Metsulfuron methyl b). Metribuzin c). Atrazine d). All

Description : Chemical control of Parthenium hys terophorus a). Metsulfuron methyl b). Metribuzin c). Atrazine d). All

Last Answer : d). All

Mimic type of research, Reseacher looks for a). Studies the way natural products work & then tries to make mole cules that act similarly b). New chemical enties c). None of the above d). Loopholes in patents

Description : Mimic type of research, Reseacher looks for a). Studies the way natural products work & then tries to make mole cules that act similarly b). New chemical enties c). None of the above d). Loopholes in patents

Last Answer : a). Studies the way natural products work & then tries to make mole cules that act similarly

Metto type of research, Reseacher looks for a). Loopholes in patents b). Studies the way natural products work & then tries to make molecules that act similarly c). None of the above d). New chemical entities

Description : Metto type of research, Reseacher looks for a). Loopholes in patents b). Studies the way natural products work & then tries to make molecules that act similarly c). None of the above d). New chemical entities

Last Answer : a). Loopholes in patents

In empirical type of research, Re seacher looks for a).New chemical entities b).Loopholes in patents c).Studies the ways natural products work & then tries to make molecules that act similarly d).None

Description : In empirical type of research, Re seacher looks for a).New chemical entities b).Loopholes in patents c).Studies the ways natural products work & then tries to make molecules that act similarly d).None

Last Answer : a).New chemical entities

A transport process in herbicide removal a).volatilization b).photo-decomposition c).chemical decomposition d).microbial degradation

Description : A transport process in herbicide removal a).volatilization b).photo-decomposition c).chemical decomposition d).microbial degradation

Last Answer : a).volatilization

The major means for herbicide dissipation is which type of following degradation a). Microbial b). Chemical c). photo d). Physical

Description : The major means for herbicide dissipation is which type of following degradation a). Microbial b). Chemical c). photo d). Physical

Last Answer : a). Microbial

Foundation for phenomenal achievement in modern chemical weed management a). Safeners b). Adjuvants c). Selectivity d). Herbicide combinations e). None

Description : Foundation for phenomenal achievement in modern chemical weed management a). Safeners b). Adjuvants c). Selectivity d). Herbicide combinations e). None

Last Answer : c). Selectivity

The environment friendly weed control method a). Biological b). Physical c). Chemical d). None

Description : The environment friendly weed control method a). Biological b). Physical c). Chemical d). None

Last Answer : a). Biological

Chemical name of bleaching powder is (1) Calcium chlorate (2) Calcium hypochlorite (3) Calcium chloro hypochlorite (4) Calcium bi chloride

Description : Chemical name of bleaching powder is (1) Calcium chlorate (2) Calcium hypochlorite (3) Calcium chloro hypochlorite (4) Calcium bi chloride

Last Answer : (2) Calcium hypochlorite Explanation: Calcium hypochlorite is a chemical compound with formula Ca(ClO)2. It is widely used for water treatment and as a bleaching agent. This chemical is considered to be relatively stable and has greater available chlorine than sodium hypochlorite.

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.

The chemical name of Bleaching powder is (A)Calcium Chloride (B) Calcium Chloro-Oxide (C) Calcium Oxychloride (D) Hypochloride

Description : The chemical name of Bleaching powder is (A)Calcium Chloride (B) Calcium Chloro-Oxide (C) Calcium Oxychloride (D) Hypochloride

Last Answer : (C) Calcium Oxychloride

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

Chemical name of bleaching powder is : (1) Calcium chlorate (2) Calcium hypochlorite (3) Calcium chloro hypochlorite (4) Calcium bi chloride

Description : Chemical name of bleaching powder is : (1) Calcium chlorate (2) Calcium hypochlorite (3) Calcium chloro hypochlorite (4) Calcium bi chloride

Last Answer : Calcium hypochlorite

A amino acid derivative a).Paraquat b). Glyphosate c). 2,4-D d). None of these

Description : A amino acid derivative a).Paraquat b). Glyphosate c). 2,4-D d). None of these

Last Answer : b). Glyphosate

An important benzoic acid herbicide a).Dicamba b). 2,4-D c). Atrazine d). None of these

Description : An important benzoic acid herbicide a).Dicamba b). 2,4-D c). Atrazine d). None of these

Last Answer : a).Dicamba

Herbicides inhibiting amino acid synthesis a). Imadazolinone b). Sulfonamide c). aminoacid derivatives d). all

Description : Herbicides inhibiting amino acid synthesis a). Imadazolinone b). Sulfonamide c). aminoacid derivatives d). all

Last Answer : d). all

Growth regulating herbicides that act simi lar to that of endogenous auxin (IAA) a). Benzoic acid b). pyridine carboxylic acid c). quinoline carboxylic acid d). All

Description : Growth regulating herbicides that act simi lar to that of endogenous auxin (IAA) a). Benzoic acid b). pyridine carboxylic acid c). quinoline carboxylic acid d). All

Last Answer : d). All

Amino acid synthesis inhibitors a). Sulfonyl ureas b). Amides c). Triazines d). all

Description : Amino acid synthesis inhibitors a). Sulfonyl ureas b). Amides c). Triazines d). all

Last Answer : a). Sulfonyl ureas

Root exudates of wheat and oats which has detrimental effects on wild mustard con tain a). Phenolic acid b). Alkaloids c). Sulphides d). Lactones

Description : Root exudates of wheat and oats which has detrimental effects on wild mustard con tain a). Phenolic acid b). Alkaloids c). Sulphides d). Lactones

Last Answer : a). Phenolic acid

.Phenolic acid as root exudates of which crop has detrimental effects on wild mustard? a). Wheat b). Oats c). Chickpea d). a & b

Description : .Phenolic acid as root exudates of which crop has detrimental effects on wild mustard? a). Wheat b). Oats c). Chickpea d). a & b

Last Answer : d). a & b

.Which group of allelochemicals con tains Quinones and Coumarines? a). Flavinoids b). Cinnamic acid derivatives c). Tannins d). None

Description : .Which group of allelochemicals con tains Quinones and Coumarines? a). Flavinoids b). Cinnamic acid derivatives c). Tannins d). None

Last Answer : b). Cinnamic acid derivatives

The mode of action of paraquat is a). Amino acid synthesis inhibition b). Pigment inhibition c). Cell membrane disruption d). Shoot inhibition

Description : The mode of action of paraquat is a). Amino acid synthesis inhibition b). Pigment inhibition c). Cell membrane disruption d). Shoot inhibition

Last Answer : c). Cell membrane disruption

Which herbicide group is photosynthesis inhibitor? a). Nitriles b). Carbamate c). Dicarboxylic acid d). Dinitroanilines

Description : Which herbicide group is photosynthesis inhibitor? a). Nitriles b). Carbamate c). Dicarboxylic acid d). Dinitroanilines

Last Answer : a). Nitriles

The mode of action of Isoproturon is a). Root inhibitor b). Shoot inhibitor c). Photosynthesis inhibition d). Amino acid inhibition

Description : The mode of action of Isoproturon is a). Root inhibitor b). Shoot inhibitor c). Photosynthesis inhibition d). Amino acid inhibition

Last Answer : c). Photosynthesis inhibition

The mode of action of dinitroanilines a). Shoot growth inhibitor b). Lipid inhibitor c). Root growth inhibitor d). Amino acid inhibitor

Description : The mode of action of dinitroanilines a). Shoot growth inhibitor b). Lipid inhibitor c). Root growth inhibitor d). Amino acid inhibitor

Last Answer : c). Root growth inhibitor

What is the mode of action of sulfonamide herbicide a). Amino acid synthesis inhibitor b). Photosynthesis inhibitor c). Lipid inhibitor d). Pigment inhibitor

Description : What is the mode of action of sulfonamide herbicide a). Amino acid synthesis inhibitor b). Photosynthesis inhibitor c). Lipid inhibitor d). Pigment inhibitor

Last Answer : a). Amino acid synthesis inhibitor

Which herbicide group inhibitor the photosynthesis reaction ? a). Thiocarbamates b). Triazines c). Cyclohexanedione d). Benzoic acid

Description : Which herbicide group inhibitor the photosynthesis reaction ? a). Thiocarbamates b). Triazines c). Cyclohexanedione d). Benzoic acid

Last Answer : b). Triazines

Active toxic material present in the formulation is a). Acid equivalent b). Phytochemical c). Active ingredient d). Surfactant

Description : Active toxic material present in the formulation is a). Acid equivalent b). Phytochemical c). Active ingredient d). Surfactant

Last Answer : c). Active ingredient

The characteristic odour of garlic is due to - (1) a chloro compound (2) a sulphur compound (3) a fluorine compound (4) acetic acid

Description : The characteristic odour of garlic is due to - (1) a chloro compound (2) a sulphur compound (3) a fluorine compound (4) acetic acid

Last Answer : (2) a sulphur compound Explanation: The sulfur compounds in onions and garlic are called sulfites. These highly irritating chemicals can kill microbes and repel insects; prolonged contact with garlic will even blister the skin.

Which of the following industries discharge mercury as a pollutant? (A) Chloro-alkali industry (B) Tanneries (C) Beverage plant (D) Phosphoric acid plant

Description : Which of the following industries discharge mercury as a pollutant? (A) Chloro-alkali industry (B) Tanneries (C) Beverage plant (D) Phosphoric acid plant

Last Answer : (A) Chloro-alkali industry

In a 100 quadrat study of 1 sqm each Cyperus rotundus was found in 80 quadrats with overall of 5640 individuals. The frequency (%), abun dance and density (m2) would be a). 70.5, 80.0 and 56.4 b). 56.4, 70.5 and 80.0 c). 80.0, 70.5 and 56.4 d). 80.0, 56.4 and 70.5

Description : In a 100 quadrat study of 1 sqm each Cyperus rotundus was found in 80 quadrats with overall of 5640 individuals. The frequency (%), abun dance and density (m2) would be a). 70.5, 80.0 and 56.4 b). 56.4, 70.5 and 80.0 c). 80.0, 70.5 and 56.4 d). 80.0, 56.4 and 70.5

Last Answer : c). 80.0, 70.5 and 56.4

If Echinochloa falls in frequency class ‘E’, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random

Description : If Echinochloa falls in frequency class ‘E’, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random

Last Answer : c). Homogenous

Out of 50 quadrats studied, if Echinochloa is found in 26 quadrats, its frequency of occurrence would be a). 13% b). 26% c). 52% d). 68%

Description : Out of 50 quadrats studied, if Echinochloa is found in 26 quadrats, its frequency of occurrence would be a). 13% b). 26% c). 52% d). 68%

Last Answer : c). 52%

If weed population is 70/m2 and the crop 140/ m2, weed intensity would be a). 33.3% b). 66.6% c). 50% d). 73.4%

Description : If weed population is 70/m2 and the crop 140/ m2, weed intensity would be a). 33.3% b). 66.6% c). 50% d). 73.4%

Last Answer : a). 33.3%