LEAVING CERTIFICATE BIOLOGY HIGHER LEVEL EXAM PAPER SOLUTIONS

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LEAVING CERTIFICATE BIOLOGY HIGHER LEVEL EXAM PAPER SOLUTIONS Sample Paper 3 Section A Question 1 a) A-Lag Phase, B-Log Phase, C- Stationary Phase, D- Decline Phase, E- Survival Phase. 5(2) b) Rapid Growth due to an abundance of resources such as oxygen, food, moisture or lack of competion. (2) c) In the stationary phase there is no increase in numbers, as the number of deaths = number of new bacteria produced.

• constant temperature during an experiment
• lower surface
• specific defence role of white blood cells
• rate of heart beat
• general body movement
• white blood cells
• large amounts
• body
• protein