Cambridge Lower Secondary Checkpoint Stage 9 Biology

Resource Contents:

• Topic questions for  Biology  with mark schemes.
• These include many questions from Cambridge Lower Secondary Exams as well as Additional  Exam-Style Practice Questions
• The questions are mapped to  your  curriculum to give you application based question practice.
• All Questions come with mark schemes.
• Progress-Tracking MCQ's included for additional practice
• The course is also  ideal as a " Pre-IGCSE  Course', ensuring that your IGCSE journey begins on a much easier note.

Syllabus Details:

• Describe the pathway of water and mineral salts from the roots to the leaves in flowering plants, including absorption in root hair cells, transport through xylem and transpiration from the surface of leaves.
• Describe the structure of the human excretory (renal) system and its function (limited to kidneys filtering blood to remove urea, which is excreted in urine).
•  Know that chromosomes contain genes, made of DNA, and that genes contribute to the determination of an organism's characteristics.
• Describe the fusion of gametes to produce a fertilised egg with a new combination of DNA.
•  Describe the inheritance of sex in humans in terms of XX and XY chromosomes.
• Describe variation within a species and relate this to genetic differences between individuals.
•  Describe the scientific theory of natural selection and how it relates to genetic changes over time.
•  Know that plants require minerals to maintain healthy growth and life processes (limited to magnesium to make chlorophyll and nitrates to make protein).
•  Know that photosynthesis occurs in chloroplasts and is the process by which plants make carbohydrates, using the energy from light.
•  Know and use the summary word equation for photosynthesis (carbon dioxide + water ->glucose + oxygen, in the presence of light and chlorophyll).
• Discuss how fetal development is affected by the health of the mother, including the effect of diet, smoking and drugs
•  Describe what could happen to the population of a species, including extinction, when there is an environmental change.

 Note:

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• There aren't hundreds  of questions  available, but we have done our best to provide as many practice questions as possible. Also more uploaded throughout
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