This is the practice Set 2 of the Biochemistry test series for Pharmacy, Diploma Pharmacy and medical/paramedical students. There will be 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.
Serum acid phosphatase activity increases during
- Carcinoma
- Pancreatitis
- Leukemia
- Obstructive jaundice
Answer:
(A)
Explanation: It is increased in breast cancer, prostate disease, bone cancer or metastases.
Explanation: It is increased in breast cancer, prostate disease, bone cancer or metastases.
Q.2.
Normal urine is
- Neutral
- Highly acidic
- Slightly alkaline
- Slightly acidic
Answer:
(D)
Explanation: Urine is principally water but it contains some inorganic salts or compounds such as protein, hormones, metabolites etc,.
Explanation: Urine is principally water but it contains some inorganic salts or compounds such as protein, hormones, metabolites etc,.
Q.3.
Creatinine level in urine get elevated in
- Addison’s disease
- Hypothyroidism
- Nephritis
- Typhoid fever
Answer:
(A)
Explanation: The normal range for creatinine is 0.6 to 1.3 mg per decilitre. Generally high level of creatinine means kidney failure.
Explanation: The normal range for creatinine is 0.6 to 1.3 mg per decilitre. Generally high level of creatinine means kidney failure.
Q.4.
A component of coenzyme A is
- Inosine
- Thiamine
- Pantothenic acid
- Pyridoxine
Answer:
(C)
Explanation: In all living organisms, coA is synthesised in a 5 step process that requires 4 molecules of ATP.
Explanation: In all living organisms, coA is synthesised in a 5 step process that requires 4 molecules of ATP.
Q.5.
The normal value for glucose in the blood is
- 250 mg
- 200 mg
- 100-200 mg
- 80-120 mg
Answer:
(D)
Explanation: It is the amount of glucose present in the blood of a human or an animal.
Explanation: It is the amount of glucose present in the blood of a human or an animal.
Q.6.
Hyperlipidemia is excess of
- Cholesterol and triglycerides
- Free fatty acid
- Glucose
- Ketone body
Answer:
(A)
Explanation: It is sterol, a lipid molecule and is biosynthesised by all animals
Explanation: It is sterol, a lipid molecule and is biosynthesised by all animals
Q.7.
Cholesterol is a
- Carbohydrate
- Steroid
- Lipid
- Fatty acid
Answer:
(B)
Explanation: it is a bile solid essential structural compound of animal cell membrane.
Explanation: it is a bile solid essential structural compound of animal cell membrane.
Q.8.
The coenzyme for niacin is
- NAD
- TPN
- FMN
- All of the above
Answer:
(A)
Explanation: Niacin and its derivatives are precursors of nicotinamide adenine nucleotide in this oxidation and reduction reactions.
Explanation: Niacin and its derivatives are precursors of nicotinamide adenine nucleotide in this oxidation and reduction reactions.
Q.9.
Which of these vitamins is a part of coenzyme?
- Vit a
- Vit c
- Thiamine
- None of the above
Answer:
(A)
Explanation: It is a severe disease by the deficiency of protein in diet that contains calories mostly from carbohydrates.
Explanation: It is a severe disease by the deficiency of protein in diet that contains calories mostly from carbohydrates.
Q.10.
Protein deficiency is known as
- Kavashiorkar
- Cushings syndrome
- Gaucher’s disease
- None of the above
Answer:
(A)
Explanation: Kavashiorkar is a disease caused due to protein deficiency.
Explanation: Kavashiorkar is a disease caused due to protein deficiency.
Q.11.
Cobalt is a constituent of
- Vitamin B12
- Haemoglobin
- Insulin
- Thyroid hormone
Answer:
(A)
Explanation: Cobalt is also known as cobalamin.
Explanation: Cobalt is also known as cobalamin.
Q.12.
Xanthoprotic acid is positive in protein containing:
- Sulphur containing amino acid
- Alpha amino acid
- Aromatic amino acid
- Aliphatic amino acid
Answer:
(C)
Q.13.
Neutral amino acid is
- Leucine
- Lysine
- Aspartic acid
- Histidine
Answer:
(A)
Explanation: Leucine is amino acid that the human body cannot synthesised.
Explanation: Leucine is amino acid that the human body cannot synthesised.
Q.14.
The major connective tissue is
- Keratin
- Collagen
- Myosin
- Melanin
Answer:
(B)
Explanation: Collagen is the main component of connective tissues.
Explanation: Collagen is the main component of connective tissues.
Q.15.
Intercellular substance present in connective tissue is
- Fatty in nature
- Muco-polysaccharide
- Protein
- None of the above
Answer:
(B)
Q.16.
Quaternary structure of proteins refers to
- Sub-unit structure
- Amino acid sequence
- Irregular folding of protein
- Regular structure like alpha helix
Answer:
(A)
Explanation: Quaternary structure is the arrangement of multiple folded protein.
Explanation: Quaternary structure is the arrangement of multiple folded protein.
Q.17.
A keto sugar can be detected by
- fehlings solution
- Benedict’s solution
- Seliwanoffs solution
- Aniline acetate solution
Answer:
(C)
Explanation: Seliwanoffs test is chemical test which distinguish between aldose and ketose sugars.
Explanation: Seliwanoffs test is chemical test which distinguish between aldose and ketose sugars.
Q.18.
Which of the following saccharides is not a reducing sugar
- Sucrose
- Lactose
- Mannose
- Galactose
Answer:
(A)
Explanation: Sucrose is not a reducing sugar.
Explanation: Sucrose is not a reducing sugar.
Q.19.
Vitamin B2 ( riboflavin) is a component of
- NAD+
- FAD
- TPP
- CoA
Answer:
(B)
Explanation: It is a central component of cofactors FAD and FMN and as such required for variety of flavoprotein enzyme reactions including activations of other vitamins.
Explanation: It is a central component of cofactors FAD and FMN and as such required for variety of flavoprotein enzyme reactions including activations of other vitamins.
Q.20.
Rickets is due to deficiency of
- Vitamin D
- Vitamin c
- Zinc
- Iodine
Answer:
(A)
Explanation: Vitamin D is a group of fat soluble secosteroids responsible for enhancing intestinal absorption of Ca, Fe, Mg, Zn and deficiency of these leads to rickets.
Explanation: Vitamin D is a group of fat soluble secosteroids responsible for enhancing intestinal absorption of Ca, Fe, Mg, Zn and deficiency of these leads to rickets.
Q.21.
Vitamin K deficiency results in the disorder
- Dermatitis
- Retarded growth
- Color blindness
- Defective blood clotting
Answer:
(D)
Q.22.
Goitre is caused by the deficiency of
- Fluorine
- Iodine
- Chloride
- Sulphide
Answer:
(B)
Explanation: Iodine is very important for proper functioning of thyroid gland.
Explanation: Iodine is very important for proper functioning of thyroid gland.
Q.23.
Aldosterone regulates :
- Blood glucose
- Serum calcium
- Urine concentration
- Sodium absorption
Answer:
(C)
Explanation: Aldosterone is a steroid hormone produced by the zone glomerulasa of adrenal cortex in adrenal gland.
Explanation: Aldosterone is a steroid hormone produced by the zone glomerulasa of adrenal cortex in adrenal gland.
Q.24.
Invertase is
- Vitamin
- carbohydrate
- Hormone
- Enzyme
Answer:
(D)
Explanation: Invertase is an enzyme that catalyse the hydrolysis of sucrose.
Explanation: Invertase is an enzyme that catalyse the hydrolysis of sucrose.
Q.25.
Glycogenesis is the synthesis of :
- Starch
- Glucose
- Glycogen
- Glycerol
Answer:
(C)
Explanation: Glycogenesis is the synthesis of glycogen.
Explanation: Glycogenesis is the synthesis of glycogen.
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