HORTICULTURE

HORTICULTURE SCIENCE

FLORICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The measure of how poisonous a chemical is after a single exposure is ____ toxicity.
A
bad
B
acute
C
accurate
D
chronic
Explanation: 

Detailed explanation-1: -Acute toxicity of a pesticide refers to the effects from a single dose or repeated exposure over a short time (e.g. one day), such as an accident during mixing or applying pesticides. Acute toxicity is measured by LD50 and LC50 values.

Detailed explanation-2: -Acutely toxic chemicals are those substances that pose significant adverse health effects for immediate or short-term exposures. The route of exposure that causes the adverse effect may be inhalation, absorption (through skin, eyes, or mucous membranes), or ingestion, depending on the chemical.

Detailed explanation-3: -Acute toxicity is the ability of a chemical to cause a harmful effect after a single exposure to the substance by any route for a short (i.e., acute) period of time (e.g., less than one day).

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