Tutorial: Reviewing an Enzyme Experiment's Results
IELTS Listening PracticePart 3hard
Recording
0:00--:--
Loading audio…
You can replay the recording as many times as you like while practising. In the real exam you hear it once only.
Questions
Question 1
Choose the correct letter, A, B or C.
At which temperature was the reaction fastest?
1
The reaction rate peaked at
Question 2
Choose the correct letter, A, B or C.
Why did the rate fall sharply at 50 degrees?
2
At 50 degrees the rate dropped because
Questions 3–5
What was the likely cause of the problem at each temperature?
Choose the correct cause A–E for each result and select the correct letter.
Options
- A. slow reaction time starting the timer
- B. the liver had dried out and was inconsistent
- C. the repeats were not done (missing data)
- D. the peroxide was too concentrated
- E. the thermometer was broken
3
the 10-degree reading (too high)
4
the 30-degree repeats (inconsistent)
5
the 50-degree reading (only one value)
Question 6
Choose the correct letter, A, B or C.
What does the tutor say Amira should do with the anomalous 10-degree point?
6
The anomalous point should be
Questions 7–8
Complete the sentences below.
Write ONE WORD ONLY for each answer.
7
The variables kept the same in every trial are called the ______ variables.(max 1 word)
8
The heat stops the enzyme working by causing it to become ______.(max 1 word)
0 / 8 answered
Keep practising
Build consistency with another Listening practice item.