Free IELTS Online Practice Tests

Listen and answer questions 21-30

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Questions 21-25

Choose the correct answer.

Science experiment for Year 12 students

21.How does Clare feel about the students in her Year 12 science class?

worried that they are not making progress

challenged by their poor behaviour in class

frustrated at their lack of interest in the subject

22.How does Jake react to Clare's suggestion about an experiment based on children's diet?

He is concerned that the results might not be meaningful.

He feels some of the data might be difficult to obtain.

He suspects that the conclusions might be upsetting.

23.What problem do they agree may be involved in an experiment involving animals?

Any results may not apply to humans.

It may be complicated to get permission.

Students may not be happy about animal experiments.

24.What question do they decide the experiment should address?

Are mice capable of controlling their food intake?

Does an increase in sugar lead to health problems?

How much do supplements of different kinds affect health?

25.Clare might also consider doing another experiment involving

other types of food supplement.

different genetic strains of mice.

varying amounts of exercise.

Questions 26-30

Complete the flowchart below.

Choose FIVE answers from the box and write the correct letter, A- H, next to Questions 26 - 30.

List of words

Choose mice which are all the same 26

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Divide the mice into two groups, each with a different 27

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Put each group in a separate cage.

Feed group A commercial mouse food.

Feed group B the same, but also sugar contained in 28

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Take measurements using an electronic scale.

Place them in a weighing chamber to prevent 29

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Do all necessary 30