Neco Model Questions Vol1 2021 Agricultural Science Question 1
Practice practical question 1 from the 2021 Neco Model Questions Vol1 Agricultural Science examination. This question covers Biodiversity, Ecological indices, Insect sampling .
A field of mixed crops is being surveyed for insect biodiversity. Four 1 m² quadrats (Q1–Q4) were randomly selected and the number of individuals of five insect groups recorded as shown in the table. | Quadrats | Beetles | Butterflies | Grasshoppers | Ants | Bees | |----------|---------|------------|--------------|------|------| | Q1 | 12 | 5 | 8 | 20 | 4 | | Q2 | 9 | 7 | 6 | 22 | 5 | | Q3 | 15 | 4 | 10 | 18 | 6 | | Q4 | 11 | 6 | 9 | 19 | 3 | Using the combined data from all quadrats, answer the following: a) Calculate the Simpson’s Diversity Index (D) for the insect community. b) Express the result as the Simpson’s Reciprocal Index (1/D) and interpret the ecological meaning of the value obtained. c) Based on the index, recommend one agronomic practice that could improve insect biodiversity in the field.
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This is Neco Model Questions Vol1 2021 Agricultural Science Question 1. It is one of the practical questions from the 2021 Neco Model Questions Vol1 Agricultural Science examination.
The question covers Biodiversity, Ecological indices, Insect sampling .
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