Neco 2022 Geography Question 5

Practice objective / multiple choice question 5 from the 2022 Neco Geography examination.

Neco 2022 Geography Objective / Multiple Choice Medium Difficulty
Question 5 NECO • 2022 • GEOGRAPHY • objective

A savanna plot contains four plant species with the following numbers of individuals: Species X - 40, Species Y - 30, Species Z - 20, Species W - 10.\n\n(a) Calculate Simpson's Diversity Index \(D = 1 - \dfrac{\sum n_i (n_i-1)}{N(N-1)}\).\n(b) After a management action, 5 individuals of Species X are removed and 10 individuals of Species W are added. Re‑calculate \(D\) and state whether diversity has increased or decreased.

Answer Options

Correct Answer A. Initial D = 0.707; New D = 0.742; diversity increased
B. Initial D = 0.707; New D = 0.720; diversity increased
C. Initial D = 0.707; New D = 0.742; diversity decreased
D. Initial D = 0.650; New D = 0.742; diversity increased
Correct Answer
A
Correct Option:
Initial D = 0.707; New D = 0.742; diversity increased

About This Question

This is Neco 2022 Geography Question 5. It is one of the objective questions from the 2022 Neco Geography examination.

Difficulty level: Medium .

View More Neco 2022 Geography Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support