Sulphur containing amino acids after catabolism produces a substance which is excreted: (A) SO2 (B) HNO3 (C) H2SO4 (D) H3PO4

Sulphur containing amino acids after catabolism produces a substance which is excreted: (A) SO2 (B) HNO3 (C) H2SO4 (D) H3PO4
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Catalyst used in catalytic polymerisation which produces polymergasoline is(A) H2SO4(B) H3PO4(C) Both (A) and (B)(D) AlCl3

Description : Catalyst used in catalytic polymerisation which produces polymergasoline is (A) H2SO4 (B) H3PO4 (C) Both (A) and (B) (D) AlCl3

Last Answer : (C) Both (A) and (B)

Xanthoproteic test is positive in proteins containing (A) Sulphur amino acids (B) α-Amino acids (C) Aromatic amino acids (D) Aliphatic amino acids

Description : Xanthoproteic test is positive in proteins containing (A) Sulphur amino acids (B) α-Amino acids (C) Aromatic amino acids (D) Aliphatic amino acids

Last Answer : Answer : C

The third active process for amino acids transport involves (A) Acidic amino acids (B) Basic amino acids (C) Neutral amino acids (D) Sulphur containing amino acids

Description : The third active process for amino acids transport involves (A) Acidic amino acids (B) Basic amino acids (C) Neutral amino acids (D) Sulphur containing amino acids

Last Answer : Answer : C

Maple syrup urine diseases is an inborn error of metabolism of (A) Sulphur-containing amino acids (B) Aromatic amino acids (C) Branched chain amino acids (D) Dicarboxylic amino acids

Description : Maple syrup urine diseases is an inborn error of metabolism of (A) Sulphur-containing amino acids (B) Aromatic amino acids (C) Branched chain amino acids (D) Dicarboxylic amino acids

Last Answer : Answer : C

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : Answer : D

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : (D) Threonine

For conduct of forced degradation studies under acidic conditions, which of the following substance is used? A. HCl B. H2SO4 C. HNO3 D. Citric acid

Description : For conduct of forced degradation studies under acidic conditions, which of the following substance is used? A. HCl B. H2SO4 C. HNO3 D. Citric acid

Last Answer : A. HCl

Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Description : Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Last Answer : Answer : C

After digestion amino acids (A) Are absorbed into portal circulation (B) Are absorbed into lymph (C) Are excreted to the extent of 50% (D) Converted into glucose in the intestine

Description : After digestion amino acids (A) Are absorbed into portal circulation (B) Are absorbed into lymph (C) Are excreted to the extent of 50% (D) Converted into glucose in the intestine

Last Answer : Answer : A

The major use of sulphur is in the manufacture of – (1) H2SO4 (2) H2S (3) SO2 (4) Fungicide

Description : The major use of sulphur is in the manufacture of – (1) H2SO4 (2) H2S (3) SO2 (4) Fungicide

Last Answer : (1) H2SO4 Explanation: The major use of sulphur is in the manufacture of sulphuric acid (H2SO4) which is one of the most important compounds made by the chemical industry. It is used to make, literally, hundreds of compounds needed by almost every industry.

Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Description : Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive

Catalyst used in isomerisation process is (A) H2SO4 (B) H3PO4 (C) HF(D) AlCl3

Description : Catalyst used in isomerisation process is (A) H2SO4 (B) H3PO4 (C) HF (D) AlCl3

Last Answer : (D) AlCl3

Oleum produces fumes of (A) SO2 (B) H2SO4 (C) SO3 (D) SO2 + H2SO4

Description : Oleum produces fumes of (A) SO2 (B) H2SO4 (C) SO3 (D) SO2 + H2SO4

Last Answer : (C) SO3

Which of the following statements about normal salt and water balance are true? A. The products of catabolism may be excreted by as little as 300 ml. of urine per day. B. The lungs represent the primary source of insensible water loss. C. The normal daily insensible water loss is 600 to 900 ml. D. Excessive cell catabolism causes significant loss of total body water. E. In normal humans, urine represents the greatest source of daily water loss.

Description : Which of the following statements about normal salt and water balance are true? A. The products of catabolism may be excreted by as little as 300 ml. of urine per day. B. The lungs represent ... of total body water. E. In normal humans, urine represents the greatest source of daily water loss.

Last Answer : Answer: CE DISCUSSION: The skin is the primary source of insensible water loss. Including losses from the lungs, this averages 600 to 900 ml. per day. Catabolism liberates water of solution. In ... still excrete a minimum of 500 to 800 ml. of urine per day to expel the products of catabolism

Which among the following is used as a catalyst in the production of high octane fuels? (1) HNO3 (2) H2SO4 (3) HCl (4) HF

Description : Which among the following is used as a catalyst in the production of high octane fuels? (1) HNO3 (2) H2SO4 (3) HCl (4) HF

Last Answer : (2) H2SO4 Explanation: Sulfuric acid is used as a catalyst for refining and for producing alkylate, an essential component of highoctane fuel. The hydrocarbon molecules are reformed into more complex molecules with a higher octane rating value.

Glass is soluble in - (1) H2SO4 (2) HCIO4 (3) HNO3 (4) HF

Description : Glass is soluble in - (1) H2SO4 (2) HCIO4 (3) HNO3 (4) HF

Last Answer : (4) HF Explanation: Hydrofluoric acid is a highly corrosive acid, capable of dissolving many materials, especially oxides. Its ability to dissolving lass has been known since the 17th century. It is a solution of hydrogen fluoride in water and is represented by HF.

Aquaregia is a mixture of the following in the ratio 1 : 3 by volume– (1) cone. HNO3 and cone. HCL (2) conc. HNO3 and conc. H2SO4 (3) dil. HCl and dil. HNO3 (4) cone. HCl and cone. HNO3

Description : Aquaregia is a mixture of the following in the ratio 1 : 3 by volume– (1) cone. HNO3 and cone. HCL (2) conc. HNO3 and conc. H2SO4 (3) dil. HCl and dil. HNO3 (4) cone. HCl and cone. HNO3

Last Answer : (3) dil. HCl and dil. HNO3 Explanation: Aqua regia or nitro-hydrochloric acid is a highly corrosive mixture of acids which is formed by freshly mixing concentrated Nitric acid (HNO3) and Hydrochloric acid (HCl), optimally in a volume ratio of 1:3. It is used in dissolving gold.

For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of A. H2SO4 B. HNO3 C. HCl D. None of these

Description : For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of A. H2SO4 B. HNO3 C. HCl D. None of these

Last Answer : ANS: A

Glass lined vessels are not used for handling (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCI (D) Hydrofluoric acid

Description : Glass lined vessels are not used for handling (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCI (D) Hydrofluoric acid

Last Answer : (D) Hydrofluoric acid

Glass lined vessels are not used for handling/storing (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCl (D) Hydrofluoric acid

Description : Glass lined vessels are not used for handling/storing (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCl (D) Hydrofluoric acid

Last Answer : (D) Hydrofluoric acid

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3

Description : Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3

Last Answer : (A) HNO3 & limestone

Naphthalene undergoes nitration with HNO3/H2SO4 at 60°C to give mainly (a) 1-Nitronaphthalene (b) 1,2-Dinitronaphthalene (c) 2-Nitronaphthalene (d) 1,5-Dinitronaphthalene

Description : Naphthalene undergoes nitration with HNO3/H2SO4 at 60°C to give mainly (a) 1-Nitronaphthalene (b) 1,2-Dinitronaphthalene (c) 2-Nitronaphthalene (d) 1,5-Dinitronaphthalene

Last Answer : 1-Nitronaphthalene

Nitration of nitrobenzene with HNO3/H2SO4 gives : (a) m-dinitrobenzene (b) o-dinitrobenzene (c) p-dinitrobenzene (d) m-nitrobenzenesulfonic acid

Description : Nitration of nitrobenzene with HNO3/H2SO4 gives : (a) m-dinitrobenzene (b) o-dinitrobenzene (c) p-dinitrobenzene (d) m-nitrobenzenesulfonic acid

Last Answer : m-dinitrobenzene

Which of the following compounds reacts most rapidly with HNO3/H2SO4? (a) toluene (b) anisole (c) nitrobenzene(d) benzonitrile

Description : Which of the following compounds reacts most rapidly with HNO3/H2SO4? (a) toluene (b) anisole (c) nitrobenzene (d) benzonitrile

Last Answer : anisole

Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Description : Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Last Answer : Electrophilic substitution

Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Description : Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Last Answer : Electrophilic substitution

When glycerol is treated with a mixture of concentrated HNO3 + H2SO4, it forms (a) Nitroethane (b) 1-Nitropropane (c) Nitroglycerine (d) 2-Nitropropane

Description : When glycerol is treated with a mixture of concentrated HNO3 + H2SO4, it forms (a) Nitroethane (b) 1-Nitropropane (c) Nitroglycerine (d) 2-Nitropropane

Last Answer : Nitroglycerine

The electrolyte in a lead-acid battery is a) H2SO4 b) HNO3 c) HCl d) NaCl Ans. a

Description : The electrolyte in a lead-acid battery is a) H2SO4 b) HNO3 c) HCl d) NaCl Ans. a

Last Answer : ans a

Diazotization is carried out by… a. HNO3 b. H2SO4 c. HNO2 d. NO

Description : Diazotization is carried out by… a. HNO3 b. H2SO4 c. HNO2 d. NO

Last Answer : c. HNO2

Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid

Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid

Last Answer : Answer : D

Ethereal sulphate is synthesized from the _________ amino acid. (A) Neutral (B) Acidic (C) Basic (D) Sulphur containing

Description : Ethereal sulphate is synthesized from the _________ amino acid. (A) Neutral (B) Acidic (C) Basic (D) Sulphur containing

Last Answer : Answer : D

The sulphur containing amino acid: (A) Homoserine (B) Serine (C) Methionine (D) Valine

Description : The sulphur containing amino acid: (A) Homoserine (B) Serine (C) Methionine (D) Valine

Last Answer : Answer : C

Sulphur-containing amino acid is (A) Glutathione (B) Chondroitin sulphate (C) Homocysteine (D) Tryptophan

Description : Sulphur-containing amino acid is (A) Glutathione (B) Chondroitin sulphate (C) Homocysteine (D) Tryptophan

Last Answer : Answer : C

An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid

Description : An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid

Last Answer : Answer : A

Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine

Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine

Last Answer : Answer : A

An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid

Description : An example of sulphur containing amino acid is (A) 2-Amino-3-mercaptopropanoic acid (B) 2-Amino-3-methylbutanoic acid (C) 2-Amino-3-hydroxypropanoic acid (D) Amino acetic acid

Last Answer : (A) 2-Amino-3-mercaptopropanoic acid

Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine

Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine

Last Answer : (A) Methionine

(3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the atmosphere to produce acids. The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.

Description : (3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the ... The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.

Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.

An enzyme involved in catabolism of catecholamines is (A) Dopa decarboxylase (B) Aromatic amino acid decarboxylase (C) Monoamine oxidase (D) Catechol oxidas

Description : An enzyme involved in catabolism of catecholamines is (A) Dopa decarboxylase (B) Aromatic amino acid decarboxylase (C) Monoamine oxidase (D) Catechol oxidas

Last Answer : Answer : C

Chymotrypsin is specific for peptide bonds containing (A) Uncharged amino acid residues (B) Acidic amino acids (C) Basic amino acid (D) Small amino acid residues

Description : Chymotrypsin is specific for peptide bonds containing (A) Uncharged amino acid residues (B) Acidic amino acids (C) Basic amino acid (D) Small amino acid residues

Last Answer : Answer : A

Name the Sulfur containing amino acids.

Description : Name the Sulfur containing amino acids.

Last Answer : Cysteine and methionine.

Sulphur is made available to the body by the amino acids: (A) Cystine and methionine (B) Taurine and alanine (C) Proline and hydroxyproline (D) Arginine and lysine MINERAL METABOLISM 191

Description : Sulphur is made available to the body by the amino acids: (A) Cystine and methionine (B) Taurine and alanine (C) Proline and hydroxyproline (D) Arginine and lysine MINERAL METABOLISM 191

Last Answer : Answer : A

The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed

Description : The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed

Last Answer : Answer : A

The amino acids abstracted from the liver are not utilized for repair or special synthesis but are broken down to (A) Keto acids (B) Sulphur dioxide (C) Water (D) Ammonia

Description : The amino acids abstracted from the liver are not utilized for repair or special synthesis but are broken down to (A) Keto acids (B) Sulphur dioxide (C) Water (D) Ammonia

Last Answer : Answer : D

Galactose on oxidation with conc. HNO3 produces (A) Gluconic acid (B) Saccharic acid (C) Saccharo Lactone (D) Mucic acid

Description : Galactose on oxidation with conc. HNO3 produces (A) Gluconic acid (B) Saccharic acid (C) Saccharo Lactone (D) Mucic acid

Last Answer : D

Enzyme catalyzed hydrolysis of proteins produces amino acids of the form: (A) D (B) L (C) DL (D) All of these

Description : Enzyme catalyzed hydrolysis of proteins produces amino acids of the form: (A) D (B) L (C) DL (D) All of these

Last Answer : Answer : B

In humans the sulphur of methionine and cysteine is excreted mainly as (A) Ethereal sulphate (B) Inorganic sulphate (C) Sulphites (D) Thioorganic compound

Description : In humans the sulphur of methionine and cysteine is excreted mainly as (A) Ethereal sulphate (B) Inorganic sulphate (C) Sulphites (D) Thioorganic compound

Last Answer : Answer : B

Cast iron vessels are not suitable for the storage of (A) Freon (B) H2SO4 (95%) at room temperature (C) H2SO4 (fuming) (D) Wet SO2

Description : Cast iron vessels are not suitable for the storage of (A) Freon (B) H2SO4 (95%) at room temperature (C) H2SO4 (fuming) (D) Wet SO2

Last Answer : (D) Wet SO2

Berl saddle made of carbon cannot be used for (A) Alkalis (B) SO2 (C) H2SO4 (D) Oxidising atmosphere

Description : Berl saddle made of carbon cannot be used for (A) Alkalis (B) SO2 (C) H2SO4 (D) Oxidising atmosphere

Last Answer : (D) Oxidising atmosphere

During manufacture of H2SO4 , the oxidation of SO2 to SO3 by oxygen is an endothermic reaction. The yield of SO3 will be maximised, if the (A) Temperature is increased (B) Pressure is reduced (C) Temperature is increased and pressure is reduced (D) Temperature is reduced and pressure is increased

Description : During manufacture of H2SO4 , the oxidation of SO2 to SO3 by oxygen is an endothermic reaction. The yield of SO3 will be maximised, if the (A) Temperature is increased (B) Pressure is reduced (C) Temperature is increased and pressure is reduced (D) Temperature is reduced and pressure is increased

Last Answer : (D) Temperature is reduced and pressure is increased