Neco 2019 Agricultural Science Question 24

Practice objective / multiple choice question 24 from the 2019 Neco Agricultural Science examination.

Neco 2019 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 24 NECO • 2019 • AGRICULTURAL_SCIENCE • objective

A pesticide applied to a vegetable crop leaves an initial residue of 0.80 mg kg\\(^{-1}\\). The pesticide has a half‑life of 12 days. Assuming first‑order decay, calculate the residue level (in mg kg\\(^{-1}\\)) after 30 days. Round your answer to two decimal places.

Answer Options

A. 0.10
Correct Answer B. 0.14
C. 0.18
D. 0.20
Correct Answer
B
Correct Option:
0.14

About This Question

This is Neco 2019 Agricultural Science Question 24. It is one of the objective questions from the 2019 Neco Agricultural Science examination.

Difficulty level: Medium .

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