1. CO acts by inhibiting which component of respiratory chain- Oxidative phosphorylation Cytochrome b Cytochrome C oxidase NADH CoQ reductase 2. Semi essential amino acid is Alanine Leucine Lysine Histidine 3. Lactate produced anaerobically is used by Cori cycle and gluconeogenesis Gluconeogenesis and glycolysis TCA cycle and glycogenolysis Cori cycle only 4. Most lipogenic carbohydrate is galactose fructose glucose ribose 5. Not an essential amino acid Glutamate Lysine Histidine Arginine 6. Malonate competetively inhibits Fumarate dehydrogenase Aconitase succinate thiokinase Succinate dehydrogenase 7. Guanidinium group is associated with Tyrosine Lysine Arginine Histidine 8. The molecule, which is the initiator of cataract formation in the eye lens and whose 1-phosphate derivative is responsible for liver failure is Galacticol Mannitol Sorbitol Inositol 9. The most common pathway of glycolysis Entner Doudoroff pathway Pentose phosphate pathway Urea pathway Embden Meyerhof pathway 10. NAD+ acts as a conenzyme for Malate dehydrogenase Xanthine oxidase Succinate dehydrogenase L-amino acid oxidase 11. Which of the following enzyme doesnot catalyse irreversible step in glycolysis Pyruvate kinase Hexokinase Phosphofructokinase Phosphoglycerate kinase 12. Thiamine deficiency causes decreased energy production because It is co-enzyme for transketolase in pentose phosphate pathway It is co-enzyme for pyruvate dehydrogenase It is required for the process of transamination It is a co-factor in oxidative reduction 13. Coenzyme used in Kreb’s cycle is NAD NADP NADH NADPH 14. Phenyl ketonuria is caused by defective metabolism of nucleic acids carbohydrates amino acids fats 15. Pyruvate dehydrogenase is inhibited allosterically by Insulin AMP Pyruvate NADH 16. Not gluconeogenic- Alanine Glycerol Lactate Acetyl CoA 17. Which of the following is not a technique for protein precipitation titration with reducing sugar Isoelectric point method Heat precipitation Trichloroacetic acid 18. Unaltered final product of TCA cycle Pyrovate CO2 Acetyl CoA Oxaloacetate 19. Folding of protein chain is due to Amide bond phosphodiesterase bonds Hydrogen bonds Disulphide bond 20. Leucine is a amino acid with a Positively charged side chain Negatively charged side chain Polar side chain Non polar side chain Loading … Question 1 of 20