Pesticides O Level Biology MCQs Test Online PDF Download

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MCQ on Pesticides O Level BiologyQuiz PDF Download

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

  1. passed out through egestion
  2. passed out through excretion
  3. become insoluble in water
  4. passed on to next consumer in food chain

D

MCQ: Presence of tubifax worms indicate that

  1. the parasites are found in the intestine
  2. cellulose in grass can easily be digested by pri-consumers
  3. water is highly polluted
  4. BOD is very low

C

MCQ: Pests may be not be destroyed through

  1. Parasites
  2. Insecticides
  3. herbicides
  4. pesticides

A

MCQ: Bacteria can

  1. not grow in fertilized soil
  2. not degrade DDT
  3. degrade DDT into simpler substances
  4. digest white blood cells

B

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

  1. microorganisms
  2. insecticides
  3. dichloro-triphenyl dichloroethane
  4. dichloro-diphenyl tricholoroethane

D