Looking for AKU Biochemistry Old Question Papers ? Download here 2013 Question Paper for MBBS Biochemistry Paper I.
University : Aryabhatta Knowledge University
Code : 201031
Exam Year : 2013
BIOCHEMISTRY
Paper-I
Time: 3 hours
Full Marks: 50
1. Write short notes on the following: (5*5=25)
(a) Fluid mosaic model of plasma membrane
(b) Principle of colorimetry and its application in biochemical investigations
(c) Components of bile
(d) Immunoglobulins
(e) Physiological buffers in blood
2.(a) Discuss the biochemical role and deficiency syndrome pertaining to vitamin B12 and vitamin K.
(b) Discuss the pathological components of urine. What are the pathological conditions in which these components are expressed in urine?
(7.5+7.5=15)
3. Choose the correct one:
(1*10=10)
(a) Which one of the following RNAs contains pseudouridine?
(i) tRNA
(ii) mRNA
(iii) rRNA
(iv) 16S RNA
(b) LDH has ___ number of isoenzymes.
(i) 3
(ii) 4
(iii) 5
(iv) 6
(c) If a person has cheilosis, you may suspect deficiency of
(i) niacin
(ii) riboflavin
(iii) vitamin C
(iv) thiamin
(d) Cyclic AMP acts as a second messenger for all the hormones below, except
(i) FSH
(ii) epinephrine
(iii) glucagon
(iv) estrogen
(e) Oxidation of which molecule yields the maximum calories per gram?
(i) Glucose
(ii) Animal protein
(iii) Glycogen
(iv) Triglyceride
(f) When [S] is equal to Km, which of the following conditions exists?
(i) Half of enzyme molecules are bound to substrate
(ii) The velocity of reaction equals Vmax
(iii) The velocity of reaction is independent of substrate concentration
(iv) Enzyme is completely saturated with substrate
(g) An increased anion gap is associated with
(i) diabetic ketoacidosis
(ii) metabolic alkalosis
(iii) respiratory acidosis
(iv) respiratory alkalosis
(h) Action of nitric oxide is mediated through
(i) cGMP
(ii) cAMP
(iii)Ca++
(iv) diacylglycerol
(i) Buffering capacity of a buffer is maximum at pH equal to
(i) 0.5
(ii) pKa
(iii) pKa ± 1
(iv) 2pKa
(j) Dinitrophenol causes
(i) inhibition of ATP synthase
(ii) inhibition of electron transport
(iii) uncoupling of oxidation and phosphorylartion
(iv) accumulation of ATP
University : Aryabhatta Knowledge University
Course : MBBS
AK13-600/347Code : 201031
Exam Year : 2013
BIOCHEMISTRY
Paper-I
Time: 3 hours
Full Marks: 50
1. Write short notes on the following: (5*5=25)
(a) Fluid mosaic model of plasma membrane
(b) Principle of colorimetry and its application in biochemical investigations
(c) Components of bile
(d) Immunoglobulins
(e) Physiological buffers in blood
2.(a) Discuss the biochemical role and deficiency syndrome pertaining to vitamin B12 and vitamin K.
(b) Discuss the pathological components of urine. What are the pathological conditions in which these components are expressed in urine?
(7.5+7.5=15)
3. Choose the correct one:
(1*10=10)
(a) Which one of the following RNAs contains pseudouridine?
(i) tRNA
(ii) mRNA
(iii) rRNA
(iv) 16S RNA
(b) LDH has ___ number of isoenzymes.
(i) 3
(ii) 4
(iii) 5
(iv) 6
(c) If a person has cheilosis, you may suspect deficiency of
(i) niacin
(ii) riboflavin
(iii) vitamin C
(iv) thiamin
(d) Cyclic AMP acts as a second messenger for all the hormones below, except
(i) FSH
(ii) epinephrine
(iii) glucagon
(iv) estrogen
(e) Oxidation of which molecule yields the maximum calories per gram?
(i) Glucose
(ii) Animal protein
(iii) Glycogen
(iv) Triglyceride
(f) When [S] is equal to Km, which of the following conditions exists?
(i) Half of enzyme molecules are bound to substrate
(ii) The velocity of reaction equals Vmax
(iii) The velocity of reaction is independent of substrate concentration
(iv) Enzyme is completely saturated with substrate
(g) An increased anion gap is associated with
(i) diabetic ketoacidosis
(ii) metabolic alkalosis
(iii) respiratory acidosis
(iv) respiratory alkalosis
(h) Action of nitric oxide is mediated through
(i) cGMP
(ii) cAMP
(iii)Ca++
(iv) diacylglycerol
(i) Buffering capacity of a buffer is maximum at pH equal to
(i) 0.5
(ii) pKa
(iii) pKa ± 1
(iv) 2pKa
(j) Dinitrophenol causes
(i) inhibition of ATP synthase
(ii) inhibition of electron transport
(iii) uncoupling of oxidation and phosphorylartion
(iv) accumulation of ATP
0 comments:
Pen down your valuable important comments below