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Double helix structure of DNA was proposed by-

Biomedical Science D. Pharma B. Pharma Biochemistry Bachelor of Pharmacy Diploma in Pharmacy

Q. 23 of Quiz-776 (Que-ID : 1373)

Double helix structure of DNA was proposed by-

  • Lewis
  • Chargaff's
  • James Watson and crick
  • Mandel

Ans → (c)James Watson and crick

Explanation →

This question is taken from this post → Biochemistry MCQs based Practice test 2 | Pharmacy Exams - attemp/practice


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Q. 1 of Quiz-776 (Que-ID : 1351)

Proteins are precipitated by-

  • water
  • sodium hydroxide
  • formaldehyde
  • Trichloro acetic acid

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Q. 2 of Quiz-776 (Que-ID : 1352)

The major site of fat digestion is-

  • Large intestine
  • small intestine
  • Kidney
  • Liver

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Q. 3 of Quiz-776 (Que-ID : 1353)

Ninhydrin oxidatively decarboxylates α-amino acids to-

  • CO2
  • H2O,CO2
  • CO2,NH3
  • NH3

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Q. 4 of Quiz-776 (Que-ID : 1354)

one example of glycoside is-

  • Cholesterol
  • Sphingomyelin
  • Lecithin
  • Gangliosides

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Q. 5 of Quiz-776 (Que-ID : 1355)

Malonate is a competitive inhibitor of-

  • Succinate
  • Fumerate
  • Oxaloacetate
  • Aspaartate

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Q. 6 of Quiz-776 (Que-ID : 1356)

Alkaline phosphate level is increases in which disease?

  • Rickets
  • Leukemia
  • Cardial infection
  • Pancreatic deficiency

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Q. 7 of Quiz-776 (Que-ID : 1357)

What are the chief storage sites for manganese in the body?

  • Kidney
  • Muscles
  • Stomach
  • Heart

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Q. 8 of Quiz-776 (Que-ID : 1358)

Microcytic hypochromic anemia occurs due to deficiency of-

  • Cu++
  • CO2
  • Zinc
  • Iron

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Q. 9 of Quiz-776 (Que-ID : 1359)

The first amino acid during protein synthesis is-

  • Arginine
  • leucine
  • valine
  • methionine

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Q. 10 of Quiz-776 (Que-ID : 1360)

Milky type colour of urine is due to the presence of-

  • Albumins
  • haemoglobin
  • Fatty acid
  • Nephritis

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Q. 11 of Quiz-776 (Que-ID : 1361)

FAD and FMN are coenzyme form of-

  • Thiamine
  • Riboflavin
  • Ascorbic acid
  • none of the above

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Q. 12 of Quiz-776 (Que-ID : 1362)

Which monosaccharide unit constitutes Milk Sugar?

  • Galactose and glucose
  • 2 galactose units
  • 2 glucose units
  • Fructose and galactose

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Q. 13 of Quiz-776 (Que-ID : 1363)

The sugars formed as a result of sucrose digestion are-

  • Fructose and glucose
  • maltose and glucose
  • glucose and glucose
  • galactose and glucose

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Q. 14 of Quiz-776 (Que-ID : 1364)

The processing of blood clotting is initiated by-

  • Prothrombin
  • Fibrinogen
  • Thrombin
  • Thromboplastin

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Q. 15 of Quiz-776 (Que-ID : 1365)

Intracellular substance present in connective tissue is-

  • Fatty in nature
  • Muco polysaccharide
  • Protein
  • none of the above

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Q. 16 of Quiz-776 (Que-ID : 1366)

Multiple forms of same enzymes are called-

  • Coenzyme
  • Apoenzymes
  • Isoenzymes
  • Haloenzymes

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Q. 17 of Quiz-776 (Que-ID : 1367)

Treatment of glycogen with iodine shows which colour?

  • Violet
  • Green
  • Red
  • Yellow

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Q. 18 of Quiz-776 (Que-ID : 1368)

Which alcohol is a constituent of flavin coenzyme?

  • inositol
  • xylitol
  • Ribitol
  • Mannitol

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Q. 19 of Quiz-776 (Que-ID : 1369)

In TCA, oxaloacetate is formed from-

  • Fumarate
  • L-ketoglutarate
  • succinate
  • Malate

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Q. 20 of Quiz-776 (Que-ID : 1370)

Net ATPs formed in the β oxidation of palmitic acid?

  • 100
  • 30
  • 50
  • 129

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Q. 21 of Quiz-776 (Que-ID : 1371)

Edman's reagent is chemically-

  • Phenyl isothiocyanate
  • Phenyl chloride
  • Phenyl bromide
  • Aniline

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Q. 22 of Quiz-776 (Que-ID : 1372)

The main ring structure is present in tryptophan is-

  • Indole
  • imidazole
  • furan
  • thiophane

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Q. 23 of Quiz-776 (Que-ID : 1373)

Double helix structure of DNA was proposed by-

  • Lewis
  • Chargaff's
  • James Watson and crick
  • Mandel

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Q. 24 of Quiz-776 (Que-ID : 1374)

The smallest amino acid is-

  • Alanine
  • Glycine
  • Valine
  • Phenylalanine

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Q. 25 of Quiz-776 (Que-ID : 1375)

Xanthine is converted to uric acid in the presence of enzyme-

  • Xanthine oxidase
  • xanthine reductase
  • xanthine transferase
  • xanthine isomerase

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Q. 26 of Quiz-776 (Que-ID : 1376)

Pantohenic acid is also known as-

  • vitamin B1
  • vitamin B5
  • vitamin B2
  • Vitamin B12

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Q. 27 of Quiz-776 (Que-ID : 1377)

Cholesterol is one of the important factor in the synthesis of-

  • Bile acids
  • hormones
  • vitamin D
  • All of the above

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Q. 28 of Quiz-776 (Que-ID : 1378)

The cyclic fatty acid, Chaulmoogric acid is used in the treatment of-

  • T.B.
  • ulcers
  • Leprosy
  • Goiter

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Q. 29 of Quiz-776 (Que-ID : 1379)

Cynocobalamine is the metabolic effect of-

  • Bacillus pumulis
  • Streptomyces griseus
  • Bacillus subtilis
  • Bacillus sterothermophilus

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Q. 30 of Quiz-776 (Que-ID : 1380)

Menke's disease is related to-

  • deficiency of sulphur
  • deficiency of zinc
  • defect in transport of copper
  • defect in transport of zinc

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More MCQs In - Biomedical Science D. Pharma B. Pharma Biochemistry Bachelor of Pharmacy Diploma in Pharmacy

Q. 9 of Quiz- (Que-ID : 1269)

The absorption rate is faster for-

  • Capsule
  • Tablet
  • Coated tablet
  • Solution

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Directions : For each question, choose a correct option from given four options (A, B, C and D)

Q. 6 of Quiz- (Que-ID : 1220)

Morphine poisoning cause death due to-

  • CNS depressant
  • cardiac arrest
  • Respiratory depression
  • none of the above

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Q. 18 of Quiz- (Que-ID : 1827)

Rhabdomylosis side effect is related with-

  • Atenolol
  • Atorvastatin
  • Propranalol
  • Digoxin

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Q. 2 of Quiz- (Que-ID : 1311)

Channel of distribution is zero level in-

  • Manufacturers → physician → consumer
  • Manufacturer → wholesaler → physician → patient
  • Manufacturer → retailer → patient
  • Manufacturer → patient

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Q. 5 of Quiz- (Que-ID : 646)

Chlorpromazine is useful in the treatment of -

  • Mental depression
  • Schizophrenia
  • Parkinsonism
  • None of the above

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Q. 21 of Quiz- (Que-ID : 1174)

In situ salt formation is a technique used in drug therapy to overcome -

  • Lack of solubility of salt
  • Poor absorption
  • Chemical instability
  • Complexation problems

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Q. 11 of Quiz- (Que-ID : 3911)

Polypeptide chain number can be identified by treatment of protein with

  • Barium chloride
  • Mercuric chloride
  • Nitric acid
  • Dansyl chloride

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Q. 21 of Quiz- (Que-ID : 1371)

Edman's reagent is chemically-

  • Phenyl isothiocyanate
  • Phenyl chloride
  • Phenyl bromide
  • Aniline

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Q. 18 of Quiz- (Que-ID : 3893)

Increased in level of SGPT is used in diagnosis of disease

  • Hepatitis
  • Rickets
  • Heart attacks
  • Alcoholism

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Q. 14 of Quiz- (Que-ID : 101)

Which statement is not correct about levodopa?

  • In perkinsonism, phenothiazines reduce its efficacy
  • It is a prodrug
  • Pyridoxine reduces effect of levodopa in parkinsonism.
  • Domperidone blocks levodopa induced emesis and its therapeutic potential

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Q. 24 of Quiz- (Que-ID : 3874)

In example of enzyme in lyase class

  • Lipase
  • Hexokinase
  • Aldolase
  • Urease

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Q. 5 of Quiz- (Que-ID : 1188)

Purchase indent is an -

  • External document
  • Internal document
  • Legal document
  • None of the above

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Q. 8 of Quiz- (Que-ID : 1161)

Span 80 is name given to -

  • Sorbitan mono laurate
  • Sorbitan mono stearate
  • Sorbitan mono oleate
  • None of the above

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Q. 23 of Quiz- (Que-ID : 1089)

Vermox is a common brand for -

  • Thiabendazole
  • Piperazine
  • Mebendazole
  • Metronidazole

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Q. 27 of Quiz- (Que-ID : 1407)

Turmeric possess saffron colour due to presence of-

  • Curcumin
  • Turmerone
  • Curcumens
  • Phellandrene

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Q. 1 of Quiz- (Que-ID : 1261)

Rifampicin and isoniazid is used for-

  • Tuberculosis
  • leprosy
  • Helmintics
  • Fungal disease

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Q. 5 of Quiz- (Que-ID : 621)

Which disease is not included in schedule J ?

  • AIDS
  • Obesity
  • Diabetes
  • Tuberculosis

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Q. 3 of Quiz- (Que-ID : 454)

Vitamin A is related to:

  • β-ionone
  • α-ionone
  • δ-ionone
  • ɣ-ionone

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Q. 25 of Quiz- (Que-ID : 3925)

Main ring present in tryptophan is

  • Indole
  • Imidazole
  • Furan
  • Thiophane

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Q. 7 of Quiz- (Que-ID : 1357)

What are the chief storage sites for manganese in the body?

  • Kidney
  • Muscles
  • Stomach
  • Heart

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Q. 19 of Quiz- (Que-ID : 3919)

Which of the following RNA have high concentration in cell?

  • mRNA
  • tRNA
  • rRNA
  • None of the above

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Q. 7 of Quiz- (Que-ID : 1160)

Which type of surfactants have both hydrophobic and hydrophilic portion?

  • Anionic surfactants
  • Cationic surfactants
  • Non-ionic surfactants
  • Sodium soap

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Directions : For each question, choose a correct option from given four options (A, B, C and D)

Q. 16 of Quiz- (Que-ID : 1230)

Grey baby syndrome occurs due to administration of

  • Thalidomide
  • Chloramphenicol
  • Penicillin
  • Aminoglycosides

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Q. 22 of Quiz- (Que-ID : 1372)

The main ring structure is present in tryptophan is-

  • Indole
  • imidazole
  • furan
  • thiophane

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Q. 23 of Quiz- (Que-ID : 1701)

Titrant used in the assay of ferrous sulphate I.P.1996 is-

  • Potassium parmangnate
  • cerric ammonium sulphate
  • sulphuric acid
  • none of the above

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Q. 25 of Quiz- (Que-ID : 476)

Mutarotation is:

  • change in structure
  • change in cyclic structure
  • change in optical rotation
  • none of above

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Q. 15 of Quiz- (Que-ID : 1081)

Mannitol acts as diuretic by-

  • Increasing the osmotic pressor in renal tubule
  • Increasing the rate if glomerular filtration
  • Inhibiting the reabsorption of sodium ion
  • None of the above

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Q. 14 of Quiz- (Que-ID : 1364)

The processing of blood clotting is initiated by-

  • Prothrombin
  • Fibrinogen
  • Thrombin
  • Thromboplastin

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Q. 5 of Quiz- (Que-ID : 1522)

The _____________ cavity is the portion enclosed by the pelvic bones

  • abdominopelvic
  • abdominal
  • thoracic
  • pelvic

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Q. 2 of Quiz- (Que-ID : 643)

Which one of these is μ-opioid agonist?

  • Pethidine
  • Codeine
  • Nalorphine
  • None of these

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Q. 12 of Quiz- (Que-ID : 685)

In which dryer, drying takes place at very low temprature?

  • Sublimation dryer
  • Vacuum dryer
  • Fluidized bed dryer
  • Rotatory dryer

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Q. 5 of Quiz- (Que-ID : 1098)

Pseudoephedrine differs from ephedrine in -

  • Chemical structure
  • Isomerism
  • Activity
  • Activity and isomerism

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Q. 6 of Quiz- (Que-ID : 1189)

Economic order quantity (EOQ) aims at minimizing -

  • Carrying cost
  • Ordering cost
  • Both of carrying cost and ordering cost
  • Suppliers price

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Q. 2 of Quiz- (Que-ID : 1468)

Alcoholic solutions of volatile substances or medicaments are…

  • Syrups
  • Spirits
  • Injections
  • Mixtures

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Q. 38 of Quiz- (Que-ID : 125)

An example of protien denaturation is

  • Dissolving sugar in water
  • Metabolism of meat
  • Heating milk
  • Heating egg

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Q. 26 of Quiz- (Que-ID : 1704)

Silver nitrate should be stored in-

  • clean, dry white bottles
  • lead free white bottle
  • amber colourd bottle
  • neutral glass bottle

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Q. 27 of Quiz- (Que-ID : 1377)

Cholesterol is one of the important factor in the synthesis of-

  • Bile acids
  • hormones
  • vitamin D
  • All of the above

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Q. 14 of Quiz- (Que-ID : 1692)

Milk of magnesia is a common name for-

  • Suspension of magnesium oxide
  • suspension of magnesium hydroxide
  • suspension of magnesium carbonate
  • none of the above

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Q. 6 of Quiz- (Que-ID : 1583)

The water soluble fuels which are overproduced during fasting or in untreated diabetes mellitus are called… . .

  • Melanin bodies
  • Ketone bodies
  • Glucose bodies
  • Citrate bodies

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