Waec Model Questions Vol1 2024 Agricultural Science Question 1

Practice practical question 1 from the 2024 Waec Model Questions Vol1 Agricultural Science examination. This question covers Biodiversity assessment, Ecological indices, Farm management .

Waec Model Questions Vol1 2024 Agricultural Science Practical
Topics: Biodiversity assessment Ecological indices Farm management
Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2024 • AGRICULTURAL_SCIENCE • practical

A field survey was carried out in a mixed‑cropping farm to assess the biodiversity of insect pollinators. The following table records the number of individuals of each pollinator species observed during a 30‑minute visual count. | Species | Number observed | |---------|-----------------| | A | 45 | | B | 30 | | C | 15 | | D | 10 | | E | 0 | Using the data, answer the questions below.

Question Parts

( a )
Calculate the proportion (pᵢ) of the total individuals represented by each species (A–D).
( b )
Using the proportions obtained in (a), compute Simpson’s Diversity Index (D = Σpᵢ²) and then express the Simpson’s Index of Diversity (1‑D).
( c )
Interpret the value obtained in (b) in terms of pollinator diversity on the farm and suggest ONE practical management measure that could improve the diversity further.

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This is Waec Model Questions Vol1 2024 Agricultural Science Question 1. It is one of the practical questions from the 2024 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Biodiversity assessment, Ecological indices, Farm management .

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