1. Leaving Certificate Biology Biology General Knowledge 1 iQuiz
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2. What element is necessary for the formation of chlorophyll?
Magnesium
Calcium
Copper
Phosphorus

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

4. Name an enzyme, produced by the pancreas, whose products are fatty acids and glycerol.
Catalase
Lipase
Amylase
Maltase

5. Name an enzyme in saliva which breaks down starch to maltose.
Maltase
Amylase
Lipase
Catalase

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 …
Agitator
Oxygenator
Stirrer
Sparger

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 processing
Biophysics

8. Which of the following gases contributes most to the increase in weight of a plant?
Nitrogen
Oxygen
Carbon dioxide
Water vapour

9. The force with which molecules of the same substance can stick to each other is known as …
Active
Cohesion
Adhesion
Crenation

10. 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

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?
Osmosis
Active transport
Diffusion
Plasmolysis

12. A solution with a higher solute concentration than the surrounding solution is known as what type of solution?
Hypotonic
Hypertonic
Isotonic
Isotopic

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?
Diffusion
Active transport
Plasmolysis
Osmosis

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 2
1 in 4
1 in 6
1 in 8

15. Which of the following is an inherited disease in which blood does not clot?
Sickle-cell anaemia
Arteriosclerosis
Haemophilia
Anaemia

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

17. Biology General Knowledge 1 iQuiz
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