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Leaving Certificate Biology Biology General Knowledge 1 iQuiz FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on Enable this content SECOND Press the F5 Key to Begin, Then click on this Blue Box What element is necessary for the formation of chlorophyll? Magnesium Calcium Copper Phosphorus Which of the following is an enzyme, produced by the pancreas, whose product is amino acids? Catalase Maltase Lipase Trypsin Name an enzyme, produced by the pancreas, whose products are fatty acids and glycerol. Catalase Lipase Amylase Maltase Name an enzyme in saliva which breaks down starch to maltose. Maltase Amylase Lipase Catalase A device consisting of one or a number of hollow tubes radiating from the centre and pierced by a number of very small perforations for admitting gases or liquids into a mixture is called a … Agitator Oxygenator Stirrer Sparger In a certain type of processing the organisms being grown are maintained in the log phase of the growth curve. Name this type of processing. Bioprocessing Continuous flow processing Batch processing Biophysics Which of the following gases contributes most to the increase in weight of a plant? Nitrogen Oxygen Carbon dioxide Water vapour The force with which molecules of the same substance can stick to each other is known as … Active Cohesion Adhesion Crenation The amount or number of molecules of a solvent, which is dissolved in a solute is known as … The concentration The solution Haemolysis Body fluid The movement of solute from a region of high solute concentration to a region of lower solute concentration and no membrane is necessary, describes what process? Osmosis Active transport Diffusion Plasmolysis A solution with a higher solute concentration than the surrounding solution is known as what type of solution? Hypotonic Hypertonic Isotonic Isotopic What process is the movement of water from a region of high solvent concentration to a region of lower solvent concentration through a semipermeable membrane? Diffusion Active transport Plasmolysis Osmosis A normal man marries a woman who is a carrier of the recessive haemophilia gene, which is sex-linked and occurs only in males. What proportion of their offspring could have the condition? 1 in 2 1 in 4 1 in 6 1 in 8 Which of the following is an inherited disease in which blood does not clot? Sickle-cell anaemia Arteriosclerosis Haemophilia Anaemia A person with blood type A may receive a transfusion of which type(s) of blood? AB & O A&O AB A & AB Biology General Knowledge 1 iQuiz How did you do? Click this Blue Box to find out
