UHS MDCAT Past Paper 2022 1- What does the term bacteriophage refer to? A. A virus that infects bacteriaB. A bacterium that infects virusC. A virus which behaves as bacteriaD. Combination of Bacterium & Virion View Answer Answer : A. A virus that infects bacteria Description 2- What of the following virus contains single stranded DNA? A. Adeno virusB. Herpes virusC. Parvo virusD. Pox virus View Answer Answer : C. Parvo virus Description 3- How may tail fibrils are attached to the end plate of a bacteriophage? A. 2B. 4C. 6D. 8 View Answer Answer : C. 6 Description 4- The enzymes integrate, protease and reverse transcriptase are found in which virus? A. Hepatitis A virusB. Herpes virusC. Influenza virusD. Human immunodeficiency virus View Answer Answer : D. Human immunodeficiency virus Description 5- What is the end product of glucose by yeast in anaerobic respiration? A. Ethanol and oxygenB. Ethanol and waterC. Ethanol and CO2D. Lactic acid and CO2 View Answer Answer : C. Ethanol and CO2 Description 6- Each carrier in Electron Transport Chain is first ______ and then ______. A. Broken-down, RegenerateB. Generated, Broken-downC. Oxidized, ReducedD. Reduced, Oxidized View Answer Answer : D. Reduced, Oxidized Description 7- Electron transport chain explains: A. Z-SchemeB. PhotophosphorylationC. PhotolysisD. Mechanism of ATP synthesis View Answer Answer : D. Mechanism of ATP synthesis Description 8- What is the colour of Chlorophyll-b molecule? A. Blueish greenB. Yellowish greenC. Dark GreenD. Reddish green View Answer Answer : B. Yellowish green Description 9- Upon initial hydrolysis starch yields: A. MaltoseB. GlucoseC. SucroseD. Mannose View Answer Answer : A. Maltose Description 10- Human Bone cells contain. _____% of water? A. 20B. 40C. 80D. 90 View Answer Answer : A. 20 Description 11- Unique three-dimensional shape of the fully folded polypeptide, constitutes: A. Primary structure of proteinB. Secondary structure of proteinC. Tertiary structure of proteinD. Quaternary structure of protein View Answer Answer : C. Tertiary structure of protein Description 12- Butyric acid is a ______ carbon fatty acid. A. 2B. 4C. 6D. 8 View Answer Answer : B. 4 Description 13- Which of the following is a conjugated molecule? A. ProteinB. LipidC. VitaminsD. Glycoproteins View Answer Answer : D. Glycoproteins Description 14- Hydrolysis process is a reverse of ______ process. A. PhotolysisB. CondensationC. DeductionD. Convection View Answer Answer : B. Condensation Description 15- Proteins are the main ______ of the cell? A. Physiological componentsB. Functional componentsC. Structural componentsD. Biological components View Answer Answer : C. Structural components Description 16- Cell wall may be absent in which of the following? A. Plant & AlgaeB. Algae & FungiC. Fungi & ArchaeaD. Bacteria & Archaea View Answer Answer : D. Bacteria & Archaea Description 17- Structure formed by invagination of plasma membrane and involved in cell division and DNA replication of prokaryotic cell: A. LysosomesB. MesosomesC. Golgi bodiesD. Phragmoplasts View Answer Answer : B. Mesosomes Description 18- Which of the following are single membranous organelles? A. Mitochondria and ribosomesB. Cytosol, mitochondria and ribosomesC. Golgi bodies, Lysosome and ERD. Golgi bodies, lysosome and mitochondria View Answer Answer : C. Golgi bodies, Lysosome and ER Description 19- Movement of molecules against the concentration gradient is? A. Passive transportB. Active transportC. Facilitated diffusionD. Filtration View Answer Answer : B. Active transport Description 20- The digestive vacuoles and autophagosomes are also known as? A. Primary lysosome and autophagyB. PhagocytosisC. Secondary lysosomeD. Peroxisome View Answer Answer : C. Secondary lysosome Description 1 2 3 4 5 6 7 8 9 10