41. A molecule involved in methyl group transfer reactions:
A) S adenosyl methionine
B) Adenosine tri phosphate
C) 3'-phosphoadenosine 5'-phosphosulfate
D) Pyridoxal phosphate
42. Bilirubin is
formed from:
A) Heme catabolism
B) Cholesterol catabolism
C) Protein degradation
D) Bile acid catabolism
43. Match the
following.
a. Myosin 1. Calcium
b. Troponin 2. Myosin binding site
c. Tropomyosin 3. ATP binding
A) a-2, b-1, c-3
B) a-3, b-2, c-1
C) a-2, b-3, c-1
D) a-3, b-1, c-2
44. For each molecule of glucose, total input of ATP (or GTP) required for glycolysis and gluconeogenesis are:
A) 2 and 4 respectively
B) 4 and 6 respectively
C) 4 each
D) 2 and 6 respectively
45. Humulin insulin
made from:
A) Klebsiella pneumonia
B) Pseudomonas aeruginosa
C) Streptomyces griseus
D) Escherichia coli
46. Which among the
following is true in relation to drug receptors ?
A) All drugs act through specific receptors
B) All drug receptors are located on the surface of the target cells
C) Agonists induce a conformational change in the receptor
D) Partial agonists have low affinity for the receptor
47. The therapeutic
index of a drug is a measure of its:
A) Safety B) Potency C) Efficacy D) Dose variability
48. Pharmacokinetics
is:
A) The study of carcinogenic activity of a new drug
B) The study of biological and therapeutic effects of the drugs
C) The method of development of new pharmacological agent
D) The study of absorption, distribution, metabolism and excretion of drugs
49. A drug that binds
to a cell receptor and causes a response is called:
A) Agonist B) Antagonist C) Receptor blocker D) Synergist
50. The technology
used to produce monoclonal antibodies:
A) mass culture technology
B) hybridoma technology
C) suspension culture
D) none of these
51. Natural humoral
immune response against a pathogen leads to the production of :
A) Polyclonal antibodies
B) Monoclonal antibodies
C) Macrophages
D) None of these
52. The estimation of
COD of an effluent does not include the use of
A) Calcium chloride
B) Mercuric sulphate
C) Silver sulphate
D) Potassium dichromate
53. ------- is a floc
- based waste water treatment method.
A) Activated sludge
B) Trickling filter
C) Rotating biological contactor
D) Fluidized bed reactor
54. -------- is not
an aerobic treatment strategy.
A) Composting
B) Activated sludge system
C) UASB
D) RBC
55. Plasmid assisted
molecular breeding is relevant to:
A) Waste Water treatment
B) Solid Waste treatment
C) Biodegradation
D) Food processing
56. Enzyme commonly
used for the clinical diagnosis of diabetes mellitus:
A) Streptokinase
B) Glucokinase
C) Desaturase
D) Glucose Oxidase
57. Photosynthetic
pigments are located in the:
A) Stroma
B) Thylakoid lumen
C) Thylakoid membrane
D) Chloroplast membrane
58. If you want to separate two membrane receptor proteins of similar sizes and charges in a cell extract, which chromatography is a suitable choice to separate them?
A) Gel permeation chromatography
B) Affinity chromatography
C) Ion exchange chromatography
D) HPLC
59. NADPH is involved
in:
A) Reductive biosynthesis
B) ROS generation
C) Detoxification
D) All of the above
60. Unmyelinated
neurons are protected by:
A) Schwann cells
B) Inhibitory neurotransmitters
C) Inhibitory peptides
D) Mitochondria
Learn more: Biotechnology Topic Wise MCQs
Answers:
42. A) Heme catabolism
43. D) a-3, b-1, c-2
44. B) 4 and 6 respectively
45. D) Escherichia coli
46. C) Agonists induce a conformational change in the receptor
47. A) Safety
48. D) The study of absorption, distribution, metabolism and excretion of drugs
49. A) Agonist
50. B) hybridoma technology
51. A) Polyclonal antibodies
52. A) Calcium chloride
53. A) Activated sludge
54. C) UASB
55. C) Biodegradation
56. D) Glucose Oxidase
57. C) Thylakoid membrane
58. B) Affinity chromatography
59. D) All of the above
60. A) Schwann cells
