WA2 is usually the Term 2 assessment. In the common scheme it covers the chemistry-of-life heart of the Sec 3 biology half: the roles of carbohydrates, fats and proteins; the four food tests; lock-and-key enzyme action with temperature and pH effects — and human nutrition, from digestive organs and enzymes to the liver, insulin, glucagon and type 2 diabetes.
Set out like a school paper, with a separate mark scheme for checking.
Question paper
40 marks · 55 min · 6 pages
10 multiple-choice questions and structured questions with answer lines. Chapters 3–4: biological molecules (roles, food tests, enzymes, temperature and pH) and nutrition in humans (organs, enzymes, liver, hormones, blood glucose).
Mark scheme
PROAnswers · Marking points · 3 pages
Model answers with a mark for each creditworthy point — for marking at home or in class.
Commonly Chapters 3–4 (biological molecules; nutrition in humans). Some schools include early Chapter 5 transport. Check your school’s assessment outline.
The first questions of Section A, as they appear on the paper.
Section A: Multiple choice[10 marks]
Answer all questions. For each question, write the letter (A, B, C or D) of the correct answer.
Which food class is needed for growth and repair of tissues?
Iodine solution turns blue-black in the presence of
A heated Benedict's test gives a brick-red precipitate. The sample contains
Proteins are synthesised from
Most schools test Chapter 3 (food classes and roles, food tests, enzymes, temperature and pH) and Chapter 4 (digestive system, enzymes, liver, hormones, blood glucose regulation). Your school’s Term 2 outline gives the exact scope.
Formats vary by school. This practice paper has 40 marks and takes 55 minutes, mixing ten multiple-choice questions with structured questions.
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