What this practice covers
These questions are drawn from past CIE 0654 Co-ordinated Sciences papers and filtered to characteristics and classification of living organisms. You answer, you find out immediately whether you were right, and you get the reasoning for the correct option and for each distractor. Wrong answers go to a mistakes locker so you can come back to exactly those.
Practice is free. You need an account only so your progress and your mistakes are still there next time.
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What examiners see students get wrong here
These are the errors that cost marks on characteristics and classification of living organisms, taken from our own topic notes. Read them before you practise and you will recognise the traps in the questions.
- Answering "breathing" when the question asks for a characteristic of all living organisms.
- Calling the passing of faeces excretion. It is egestion.
- Defining respiration as breathing, or as taking in oxygen.
- Defining growth as an increase in size only, leaving out dry mass.
- Saying respiration has stopped because an activity is not visible.
- Including nutrition whenever a plant grows towards light, because photosynthesis will follow.
- Attaching the definition of sensitivity to the word movement, when movement needs no detection.
- Writing a binomial name with both words capitalised, or the genus in lower case.
Revise it first
If any of the above is unfamiliar, work through the notes before practising: Characteristics and classification of living organisms revision notes.