Neco 2019 Agricultural Science Question 1

Practice practical question 1 from the 2019 Neco Agricultural Science examination. This question covers Agricultural Ecology .

Neco 2019 Agricultural Science Practical

Topic: Agricultural Ecology

Question 1 NECO • 2019 • AGRICULTURAL_SCIENCE • practical

A student carried out a biodiversity survey of a 1 ha mixed‑cropping field. Using a 1 m² quadrat, the numbers of individuals of each plant species observed in the field are recorded in the table below. | Species | Number of individuals | |---------|-----------------------| | A | 30 | | B | 20 | | C | 15 | | D | 10 | | E | 5 | Using the data provided, answer the following questions.

Question Parts

( a )

State the total number of different plant species recorded in the field.

( b )

Calculate the Shannon‑Wiener diversity index (H') for the field. Give your answer to two decimal places.

( c )

Classify the field’s biodiversity as low, moderate or high using the following criteria: H' < 1 = low, 1 ≤ H' ≤ 1.5 = moderate, H' > 1.5 = high. Justify your classification.

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About This Question

This is Neco 2019 Agricultural Science Question 1. It is one of the practical questions from the 2019 Neco Agricultural Science examination.

The question covers Agricultural Ecology .

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