Neco 2024 Agricultural Science Question 42

Practice objective / multiple choice question 42 from the 2024 Neco Agricultural Science examination.

Neco 2024 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 42 NECO • 2024 • AGRICULTURAL_SCIENCE • objective

During a field inspection of a 5‑hectare cassava farm, 1,200 plants were examined and 180 showed circular leaf spots with a brown margin, typical of early blight caused by *Alternaria solani*. (a) Identify the disease. (b) Calculate the disease incidence as a percentage of the examined plants. (c) Recommend one cultural and one chemical control measure.

Answer Options

A. Cassava mosaic virus; 10%; resistant varieties and neem oil application
B. Late blight; 12%; intercropping and copper-based fungicide
Correct Answer C. Early blight; 15%; crop rotation and mancozeb fungicide
D. Brown spot; 20%; mulching and chlorothalonil spray
Correct Answer
C
Correct Option:
Early blight; 15%; crop rotation and mancozeb fungicide

About This Question

This is Neco 2024 Agricultural Science Question 42. It is one of the objective questions from the 2024 Neco Agricultural Science examination.

Difficulty level: Medium .

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