Lakes — KCSE Geography

KCSE Geography · 28 practice questions · 3 syllabus objectives

5 easy14 medium9 hard

What You'll Learn

Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.

Define the term lake and classify lakes according to their mode of formation: tectonic, volcanic, glacial, ox-bow, man-made (artificial)

Describe the formation of rift valley lakes, volcanic crater lakes, glacial lakes and ox-bow lakes with named examples from Kenya and East Africa

Explain the significance of lakes to the economy and environment: fishing, transport, tourism, water supply, irrigation, climate modification, biodiversity

Sample Questions

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easySHORT ANSWER2 marks

State two ways in which lakes contribute to biodiversity in their ecosystems. (2 marks)

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Part (a) — 2 marks

Lakes provide habitats for various aquatic species (1 mk)

Support diverse food webs and ecological interactions (1 mk)

easySHORT ANSWER3 marks

List three economic benefits of lakes to communities in Kenya. (3 marks)

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Part (a) — 3 marks

Provision of fish as a source of food and income (1 mk)

Facilitation of transport for trade and movement (1 mk)

Attraction of tourists, boosting local economies (1 mk)

easySHORT ANSWER4 marks

State the characteristics of rift valley lakes and give two named examples from Kenya. (4 marks)

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Part (a) — 4 marks

Rift valley lakes are formed by tectonic activity and faulting (1 mk)

They are typically long and narrow in shape (1 mk)

They often have high salinity, especially in some cases (1 mk)

Examples: Lake Turkana and Lake Nakuru (1 mk)

State the process of formation of volcanic crater lakes and provide an example from East Africa. (3 marks)

Lakes — KCSE Geography

What You'll Learn

Sample Questions

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Why Practise Lakes?

KNEC Aligned

Detailed Marking Schemes

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Master Lakes for KCSE