Neco Model Questions Vol1 2025 Biology Question 4
Practice practical question 4 from the 2025 Neco Model Questions Vol1 Biology examination. This question covers Respiration, Enzyme activity, Temperature effects .
A student investigates the effect of temperature on the rate of respiration in germinating wheat grains. In each trial 5.00 g of wheat grains are placed in a sealed 250 mL container containing a small amount of water. The container is connected to a graduated gas syringe that records the volume of CO₂ evolved. The experiment is run for 30 minutes at four different temperatures. The data obtained are shown below. | Temperature (°C) | CO₂ volume after 30 min (mL) | |------------------|------------------------------| | 15 | 12.0 | | 25 | 18.5 | | 35 | 24.0 | | 45 | 20.0 | Answer the following questions:
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This is Neco Model Questions Vol1 2025 Biology Question 4. It is one of the practical questions from the 2025 Neco Model Questions Vol1 Biology examination.
The question covers Respiration, Enzyme activity, Temperature effects .
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