Variation in organisms — KCSE Biology
KCSE Biology · 66 practice questions · 3 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Distinguish between continuous and discontinuous variation with examples
State causes of variation (genetic and environmental)
Variation in organisms
Sample Questions
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Variation among living organisms can be observed in various forms, influencing their traits and characteristics. Understanding the distinctions between types of variation is essential for comprehending how these traits manifest in different populations. (a) Give three examples of discontinuous variation in organisms. (3 marks) (b) State why blood group is classified as discontinuous variation. (1 mark)
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Variation among living organisms can be observed in various forms, influencing their traits and characteristics. Understanding the distinctions between types of variation is essential for comprehending how these traits manifest in different populations. (a) Give three examples of discontinuous variation in organisms. (3 marks) (b) State why presence or absence of horns in cattle is classified as discontinuous variation. (1 mark)
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In the study of living organisms, understanding the different forms of variation is crucial for comprehending their adaptability and evolution. This inquiry explores the distinct categories of variation that can be observed in various species. (a) Name the two types of variations found in living organisms. (2 marks) (b) State one difference between the two types. (1 mark)
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Variation among living organisms can be observed in various forms, influencing their traits and characteristics. Understanding the distinctions between types of variation is essential for comprehending how these traits manifest in different populations. (a) Give three examples of discontinuous variation in organisms. (3 marks) (b) State why tongue rolling ability is classified as discontinuous variation. (1 mark)
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