Respiratory System Physiology Test 07 Online Preparation Shani Malik — January 16, 2021 in Biology Tests • add comment Respiratory System Physiology Test 07 Online Preparation 1. To start the kreb's cycle, the pyruvic acid formed during Glycolysis is converted into?A. Alpha-ketogluteric acid which forms oxaloacetic acid B. None of theseC. Lactic acid that forms CO2 and H2O D. Acetyl CoA which reacts with oxaloacetic acid to form citric acid Loading... 2. The enzyme converting glucose into glucose-6-phosphate during activation stage of Glycolysis is?A. Glucoisomerase B. Phosphoglucomutase C. None of theseD. Glucokinase Loading... 3. At the end of Glycolysis how many molecules of ATP are synthesized?A. One molecule of 3-phosphoglyceraldehyde B. Two molecules C. Four moleculesD. Three molecules Loading... 4. Acetyl CoA used normally in Kreb's cycle is derived from pyruvic acid but it can also be formed from?A. None of themB. Fatty acids C. Amino acids D. Both (a) & (b) Loading... 5. Which of these enzymes is responsible for conversion of 2-phosphoglyceric acid into phosphoenolpyruvic acid?A. AldolaseB. GlyceromutaseC. Enolase D. Glycerokinase Loading... 6. At the end of cleavage stage in Glycolysis we get?A. One molecule of 3-phosphoglyceraldehyde B. None of theseC. One molecule of dihydroxy acetone phosphate D. Both (a) & (b) Loading... 7. Enzyme bringing conversion of dihydroxy acetone phosphate into 3-phosphoglyceraldehyde is?A. Triose mutaseB. Triose phosphate isomerase C. Glyceromutase D. Aldolase Loading... 8. During cellular respiration the electrons are received by which of the following substances?A. All of theseB. FAD C. Cytochromes D. NAD Loading... 9. Enzyme bringing coversion of 3-phosphoglyceric acid into 2-phosphoglyceric acid is?A. Aldolase B. Phosphoglyceric mutase C. Enolase D. None of these Loading... 10. Which of these substances are initially required to start Kerb's cycle?A. Acetyl CoA B. None of theseC. Both of these D. Oxaloacetic acid Loading... Loading...
