1. Leaving Certificate Biology Biology General Knowledge 1 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. What element is necessary for the formation of chlorophyll? Magnesium CopperPhosphorus Calcium

3. Which of the following is an enzyme, produced by the pancreas, whose product is amino acids? Catalase LipaseTrypsin Maltase

4. Name an enzyme, produced by the pancreas, whose products are fatty acids and glycerol. CatalaseLipase AmylaseMaltase

5. Name an enzyme in saliva which breaks down starch to maltose. MaltaseAmylase LipaseCatalase

6. 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 … AgitatorOxygenator StirrerSparger

7. 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 processingBiophysics

8. Which of the following gases contributes most to the increase in weight of a plant? NitrogenOxygen Carbon dioxideWater vapour

9. The force with which molecules of the same substance can stick to each other is known as … ActiveCohesion AdhesionCrenation

10. The amount or number of molecules of a solvent, which is dissolved in a solute is known as … The concentrationThe solution HaemolysisBody fluid

11. 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? OsmosisActive transport DiffusionPlasmolysis

12. A solution with a higher solute concentration than the surrounding solution is known as what type of solution? HypotonicHypertonic IsotonicIsotopic

13. What process is the movement of water from a region of high solvent concentration to a region of lower solvent concentration through a semi- permeable membrane? DiffusionActive transport PlasmolysisOsmosis

14. 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 21 in 4 1 in 61 in 8

15. Which of the following is an inherited disease in which blood does not clot? Sickle-cell anaemiaArteriosclerosis HaemophiliaAnaemia

16. A person with blood type A may receive a transfusion of which type(s) of blood? AB & OA & O ABA & AB

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