This is practice Set 4 of the Biochemistry test series for Pharmacy, Diploma Pharmacy, and medical/paramedical students. There will be a total of 5 sets in this Biochemistry test series. In each set, there will be 25 MCQs for practice and revision of the basic concept of Biochemistry. This Practice set includes important MCQs from Biochemistry. These MCQs help to clear basic concepts.
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Q.1.
Optimum temp at which denaturation of protein takes place is
- 10
- 20
- 40
- 50
Answer:
(D)
Explanation: Optimum temp at which denaturation of protein takes place is 50
Explanation: Optimum temp at which denaturation of protein takes place is 50
Q.2.
ATPase enzyme is associated with metal ion
- Na+ and K+
- Mg2+ and Ca2+
- Co2+ and K2+
- Mn2+ and Ca2+
Answer:
(A)
Explanation: ATPase enzyme is associated with metal ion Na+ and K+
Explanation: ATPase enzyme is associated with metal ion Na+ and K+
Q.3.
Enolase enzyme is associated with metal ion
- Mn2+
- Co2+
- Mg2+
- Cu2+
Answer:
(C)
Explanation: Enolase is present in all tissues and organisms and is capable of glycolysis and fermentation.
Explanation: Enolase is present in all tissues and organisms and is capable of glycolysis and fermentation.
Q.4.
Metal ion present in pyruvate oxidase enzyme
- Cu2+
- Co2+
- Mg2+
- Mn2+
Answer:
(D)
Explanation: Metal ion present in pyruvate oxidase enzyme is Mn2+
Explanation: Metal ion present in pyruvate oxidase enzyme is Mn2+
Q.5.
Metal ion present in xanthine oxidase enzyme
- Mn2+
- Mo2+
- Cu2+
- Ca2+
Answer:
(A)
Explanation: xanthine oxidase is a enzyme which generate reactive oxygen.
Explanation: xanthine oxidase is a enzyme which generate reactive oxygen.
Q.6.
Metal ion present in cytochrome oxidase is
- Iron and copper
- Molybdenum
- Manganese
- Calcium
Answer:
(A)
Explanation: Metal ion present in cytochrome oxidase is Iron and copper.
Explanation: Metal ion present in cytochrome oxidase is Iron and copper.
Q.7.
The enzyme which contains more than one polysaccharides chain is
- Monomeric enzyme
- Oligomeric enzyme
- Ligase
- Lyase
Answer:
(B)
Explanation: Oligomeric enzyme that contains two or more polypeptide chains associated with non-covalent forces.
Explanation: Oligomeric enzyme that contains two or more polypeptide chains associated with non-covalent forces.
Q.8.
Lysozyme enzyme contain number of amino acids
- 10
- 20
- 30
- 129
Answer:
(D)
Explanation: Lysozyme are known as muromidase.
Explanation: Lysozyme are known as muromidase.
Q.9.
Active site of enzyme is called as
- Catalytic site
- Denaturation
- Clefts
- Oligomeric
Answer:
(A)
Explanation: Active site is the small part an enzyme where substrate molecules bind and undergo a chemical reaction.
Explanation: Active site is the small part an enzyme where substrate molecules bind and undergo a chemical reaction.
Q.10.
Drug that is not as dihyrofolate reductase inhibitor
- Allopurinol
- Methotrexate
- Aminoprotein
- Amethoprotein
Answer:
(A)
Explanation: Allopurinol is used in treatment of gout, high level of uric acid in body.
Explanation: Allopurinol is used in treatment of gout, high level of uric acid in body.
Q.11.
Drug acting as acetylcholine inhibitor
- Acetylcholine
- Succinylcholine
- Dicumarol
- Lovastatin
Answer:
(B)
Q.12.
Drug acting HMG-CoA reductase inhibitor?
- Propanalol
- lovastatin
- Captopril
- Alluprinol
Answer:
(B)
Explanation: lovastatin is a hypolipidemic agent that belongs to the statins class
Explanation: lovastatin is a hypolipidemic agent that belongs to the statins class
Q.13.
Coenzyme derived from vitamin
- Allopurinol
- Captopril
- Riboflavin
- Pyridoxine
Answer:
(C)
Q.14.
Therapeutic application of enzyme streptokinase
- In cancer therapy
- Gene transfer
- In embolous
- Cheese preparation
Answer:
(C)
Explanation: Therapeutic application of enzyme streptokinase In embolous.
Explanation: Therapeutic application of enzyme streptokinase In embolous.
Q.15.
Lipase enzyme is used for estimation of
- Uric acid
- Triacylglycerol
- Cholesterol
- Urea
Answer:
(B)
Q.16.
Enzyme urease is used for estimation of :
- Glucose
- Urea
- Uric acid
- Cholesterol level
Answer:
(B)
Explanation: Urease is an enzyme that catalyse hydrolysis of urea into carbon dioxide and ammonia.
Explanation: Urease is an enzyme that catalyse hydrolysis of urea into carbon dioxide and ammonia.
Q.17.
Elevated serum level of amylase is used in diagnosis of disease
- Meningitis
- Acute pancreatitis
- Blood pressure
- Jaundice
Answer:
(B)
Q.18.
Increased in level of SGPT is used in diagnosis of disease
- Hepatitis
- Rickets
- Heart attacks
- Alcoholism
Answer:
(A)
Explanation: Hepatitis is defined by inflammation of liver.
Explanation: Hepatitis is defined by inflammation of liver.
Q.19.
Increased in level of SGOT is used in diagnosis of disease
- Acute pancreatitis
- Myocardial infarction
- Hepatitis
- Alcoholism
Answer:
(A)
Explanation: Increased in level of SGOT is used in diagnosis of disease Acute pancreatitis.
Explanation: Increased in level of SGOT is used in diagnosis of disease Acute pancreatitis.
Q.20.
The major site of fat digestion is
- Large intestine
- Small intestine
- Kidney
- Liver
Answer:
(B)
Explanation: Fats are digested using enzyme lipase through small intestine.
Explanation: Fats are digested using enzyme lipase through small intestine.
Q.21.
The fats are :
- Completely insoluble in water
- Sparingly soluble in water
- Completely soluble in water
- Both a and b
Answer:
(D)
Q.22.
Fatty acids synthesis occurs in
- Cytoplasm
- Mitochondria
- heart
- Lungs
Answer:
(A)
Explanation: Fatty acids synthesis occurs in Cytoplasm.
Explanation: Fatty acids synthesis occurs in Cytoplasm.
Q.23.
Ergosterol consists of
- 28 carbon atoms
- 30 carbon atoms
- 14 carbon atoms
- 35 carbon atoms
Answer:
(A)
Q.24.
Lipogenesis is the formation of
- Glucose from fat
- Fat from glucagen
- Fats from glucose
- Glycogen from fats
Answer:
(A)
Q.25.
Lipids are organic substance which are
- Insoluble in water
- Soluble in water
- Soluble in alcohol
- Both a and c
Answer:
(D)
Explanation: Lipids are organic substance which are soluble in water and alcohol.
Explanation: Lipids are organic substance which are soluble in water and alcohol.
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