Download MBBS 1st Year (First Year) 2024 January 526056 Supplementary Cbme Paper II Biochemistry MCQs Previous Question Paper || MGR University | MBBS Latest 2024 Previous Year Question MCQs Papers
[MBBS 0124]
JANUARY 2024 Sub. Code :6056
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2019-2020)
FIRST YEAR ? SUPPLEMENTARY (CBME)
PAPER II ? BIOCHEMISTRY
Q.P. Code: 526056
Time: 30 Minutes
Maximum : 20 Marks
Answer All Questions
Choose one correct answer in the box provided in the Answer Script.
No overwriting should be done. Choice should be given in Capital Letters.
III. Multiple Choice Questions:
(20 x 1 = 20)
1. Give your opinion regarding the acid base status of a blood sample that was taken from
a person, who was acutely hysterical?
Blood pH : 7.55
pCO2 : 20 mmHG
Plasma HCO3 : 20 mEq/L
A) Respiratory acidosis B) Respiratory alkalosis
C) Metabolic acidosis D) Metabolic alkalosis
2. The most used plasmid vector is:
A) pBR322 B) pUC19 C) pCEV D) pUC18
3. Lac A in lac operon codes for
A) Beta galactosidase B) Lactose permease
C) Thiogalactosyl transacetylase D) Isopropyl thiogalactosyl pyranoside
4. The amino acid is attached to which arm of tRNA
A) D arm B) T C arm C) Acceptor arm D) Anticodon arm
5. apo B 48 formation is an example of
A) Truncation of protein B) RNA editing
C) Rearrangement of glycosidic bond D) Modification by methylation
6. All of the following are sources of glycine except:
A) Glycine cleavage system B) Serine
C) Threonine D) Cysteine
7. Tryptophan acts as a source of:
A) N10 formyl THFA B) N5, N10 methylene THFA
C) N5, N10 methenyl THFA D) N5 formyl THFA
8. FIGLU Test is done after a load of
A) Histidine B) Tryptophan C) Tyrosine D) Phenylalanine
9. The DNA polymerase which helps in mitochondrial DNA synthesis is
A) DNA polymerase B) DNA polymerase
C) DNA polymerase D) DNA polymerase
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21/ The concentration of inulin in urine is 35mg/ml and that of plasma is 0.25mg/ml. The
24 hrs urine volume is 1440ml. Calculate the GFR!
A) 125 ml/min B) 140 ml/min C) 250 ml/min D) 180 ml/min
!
22/ Menke's disease is caused by the defect of!
A) ATP7A B) ATP7B C) ABCA1 D) ABCB1!
!!!
23/ Fidelity of gene is conferred by!
A) Peptidyl transferase B) Cytidine deaminase!
C) Inosine deaminase D) Aminoacyl tRNA synthetase!
24/ The template strand is GGCTATAT. What is the RNA sequence?!
A) ATATAGCC B) CCGATATA C) CCGATATT D) TTATAGCC!
25/ The Histone that is not present in a nucleosome is !
A) H1 B) H2A C) H2B D) H3
15. Which of the following is true about eukaryotic replication?
A) Conservative process
B) Requires a 5'3' strand to act as a template
C) Associated with telomeric end shortening
D) Unidirectional
16. Nitric oxide is synthesized from
A) Arginine B) Tryptophan C) Tyrosine D) Histidine
17. Alpha helix is stabilized by
A) Ionic interaction B) Vander Waal's forces
C) Hydrogen bond D) Covalent linkage
18. Which of the following amino acids is responsible for UV absorbance at 280nm?
A) Histidine B) Glycine C) Threonine D) Tryptophan
19. Histidine answers
A) Xanthoproteic acid test B) Aldehyde test
C) Millon's test
D) Pauly's test.
20. True about Glutathione is
A) It has two true peptide linkages B) It has three true peptide linkages
C) It has two aminoacids D) It has three aminoacids.
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[MBBS 0124]
This post was last modified on 30 November 2024