IGCSE O Level Biology Online Tests
Pesticides O Level Biology MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Presence of tubifax worms indicate that; "Pesticides: O Level Biology" App Download (Free) with answers: The parasites are found in the intestine; Cellulose in grass can easily be digested by pri-consumers; Water is highly polluted; BOD is very low; to study online school courses. Practice Pesticides O Level Biology Quiz Questions, download Apple eBook (Free Sample) for best SAT prep courses online.
Pesticides O Level Biology MCQs: Questions and Answers PDF Download
If a substance accumulates in a body for a long time, it will be
- passed out through egestion
- passed out through excretion
- become insoluble in water
- passed on to next consumer in food chain
Presence of tubifax worms indicate that
- the parasites are found in the intestine
- cellulose in grass can easily be digested by pri-consumers
- water is highly polluted
- BOD is very low
Pests may be not be destroyed through
- Parasites
- Insecticides
- Herbicides
- Pesticides
All are wrong about Bacteria, but
- cannot grow in fertilized soil
- cannot degrade DDT
- degrade DDT into simpler substances
- digest white blood cells
Substances which can remain in the soil for many years are known as
- microorganisms
- insecticides
- dichloro-triphenyl dichloroethane
- dichloro-diphenyl trichloroethane
IGCSE O Level Biology Practice Tests
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O Level Biology MCQs eBook Download
A Level Biology Practice Questions
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