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Pesticides O Level Biology MCQ with Answers PDF Download

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The MCQ: If a substance accumulates in a body for a long time, it will be PDF, "Pesticides: O Level Biology" App Download (Free) with passed out through egestion, passed out through excretion, become insoluble in water, and passed on to next consumer in food chain choices for two year online colleges. Study pesticides o level biology quiz questions, download Google eBook (Free Sample) for online colleges for teaching.

Biology: Pesticides O Level Biology MCQs PDF Download

MCQ: If a substance accumulates in a body for a long time, it will be

A) passed out through egestion
B) passed out through excretion
C) become insoluble in water
D) passed on to next consumer in food chain

MCQ: Presence of tubifax worms indicate that

A) the parasites are found in the intestine
B) cellulose in grass can easily be digested by pri-consumers
C) water is highly polluted
D) BOD is very low

MCQ: Pests may be not be destroyed through

A) Parasites
B) Insecticides
C) Herbicides
D) Pesticides

MCQ: All are wrong about Bacteria, but

A) cannot grow in fertilized soil
B) cannot degrade DDT
C) degrade DDT into simpler substances
D) digest white blood cells

MCQ: Substances which can remain in the soil for many years are known as

A) microorganisms
B) insecticides
C) dichloro-triphenyl dichloroethane
D) dichloro-diphenyl trichloroethane

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