Ecology: conservation of biodiversity — KCSE Biology

KCSE Biology · 87 practice questions · 3 syllabus objectives

31 easy32 medium24 hard

What You'll Learn

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

State reasons for conservation of biodiversity

Describe methods of conservation (in situ and ex situ)

Ecology: conservation of biodiversity

Sample Questions

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easySHORT ANSWER4 marks

Define in situ conservation and provide two examples of how it is implemented in Kenya. (4 marks)

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Part (a) — 2 marks

In situ conservation refers to the conservation of species in their natural habitats. (1 mk)

It involves protecting and managing the ecosystem where the species naturally occur. (1 mk)

Part (b) — 2 marks

Establishment of national parks, such as Maasai Mara, to protect wildlife in their natural environment. (1 mk)

Creation of marine reserves, like Kisite-Mpunguti Marine National Park, to conserve marine biodiversity. (1 mk)

easySHORT ANSWER4 marks

State four benefits of conserving biodiversity to human health. (4 marks)

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Part (a) — 4 marks

Biodiversity provides a source of medicinal compounds for drug development (1 mk)

Healthy ecosystems contribute to clean air and water, reducing health risks (1 mk)

Diverse diets from various species can improve nutrition and health outcomes (1 mk)

Biodiversity helps in regulating diseases by controlling vectors and pathogens (1 mk)

easySHORT ANSWER2 marks

State two reasons why biodiversity contributes to ecological balance. (2 marks)

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Part (a) — 2 marks

Different species interact in food webs, helping to regulate populations (1 mk)

Biodiversity enhances resilience against environmental changes and disruptions (1 mk)

State three reasons why conserving biodiversity is essential for agriculture. (3 marks)

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Why Practise Ecology: conservation of biodiversity?

KNEC Aligned

Questions match the KCSE syllabus objectives and exam format exactly.

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Ecology: conservation of biodiversity — KCSE Biology

What You'll Learn

Sample Questions

+84 More Questions

Why Practise Ecology: conservation of biodiversity?

KNEC Aligned

Detailed Marking Schemes

Track Your Mastery

Master Ecology: conservation of biodiversity for KCSE