Which characteristic of living organisms is described as the chemical reactions in cells that break down nutrient molecules and release energy for metabolism?
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IGCSE Biology0610
2 papers120 marks2 h
What we predict comes up
From the syllabus weighting and how the papers are usually set. The papers below follow it.
- Reproduction, inheritance, variation and selection14%Monohybrid crosses (including codominance and sex linkage), protein synthesis, meiosis and natural selection carry heavy weight at Extended level.
- Excretion, coordination, response and drugs13%The nervous system, homeostasis with insulin and glucagon, tropisms, the kidney and antibiotics together form a large share.
- Plant nutrition and transport in plants12%Photosynthesis with limiting factors and transpiration or translocation together usually fill a full structured question.
- Transport in animals, diseases and immunity12%The heart, blood vessels and the immune response, including vaccination and passive immunity, are tested every year.
Paper 2: Multiple Choice (Extended)
45 min · 40 marks · Calculator allowed
- There are forty questions on this paper. Answer all questions.
- For each question there are four possible answers, A, B, C and D. Choose the one you consider correct.
- Each correct answer will score one mark. There is no penalty for a wrong answer.
- You may use a calculator.
Answer or mark a question and your score adds up here.
Answer all questions40 marks
The lion has the binomial name Panthera leo and the tiger has the binomial name Panthera tigris. Which statement is correct?
Which structure is found in both plant cells and bacterial cells but not in animal cells?
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Not included: Paper 6 (Alternative to Practical) and the Core tier papers (Paper 1 multiple choice and Paper 3 theory) are not included; this sitting is the Extended route, Papers 2 and 4.