Neco Model Questions Vol1 2023 Agricultural Science Question 8

Practice objective / multiple choice question 8 from the 2023 Neco Model Questions Vol1 Agricultural Science examination.

Neco Model Questions Vol1 2023 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 8 NECO_MODEL_QUESTIONS_VOL1 • 2023 • AGRICULTURAL_SCIENCE • objective

A poultry farm has 800 chickens. The basic reproduction number (R\(_0\)) of a certain viral disease is 4, and the vaccine available is 85 % effective. What is the minimum number of chickens that must be vaccinated to achieve herd immunity?

Answer Options

A. 650
B. 800
C. 750
Correct Answer D. 707
Correct Answer
D
Correct Option:
707

About This Question

This is Neco Model Questions Vol1 2023 Agricultural Science Question 8. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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