Neco Model Questions Vol1 2024 Agricultural Science Question 1

Practice practical question 1 from the 2024 Neco Model Questions Vol1 Agricultural Science examination. This question covers Biodiversity assessment, Insect sampling, Ecological indices .

Neco Model Questions Vol1 2024 Agricultural Science Practical

Topics: Biodiversity assessment Insect sampling Ecological indices

Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2024 • AGRICULTURAL_SCIENCE • practical

A 0.5 ha maize field was surveyed for insect pests. The following numbers of individuals were recorded: | Species | Count | |---------|-------| | A | 40 | | B | 25 | | C | 15 | | D | 20 | Using the data, answer the questions below.

Question Parts

( a )

Calculate the relative abundance (proportion) of each species in the sample.

( b )

Using Simpson's Diversity Index, D = Σ n_i (n_i‑1) / [N(N‑1)], where n_i is the count of species i and N is the total count, compute D for the sample.

( c )

State the Simpson’s Index of Diversity (1‑D) and briefly interpret the result for this field.

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About This Question

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

The question covers Biodiversity assessment, Insect sampling, Ecological indices .

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