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Biology Past Questions

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2516
Organisms that feed essentially on plants within any ecosystem may be referred to as
  • A. carnivores
  • B. herbivores
  • C. saprophytes
  • D. omnivores
View Answer & Discuss (1) WAEC 2006
2517
Which of the following statements about feeding relationships is correct?
  • A. In a food web on land, grasshopper feeds on praying mantis and on predator bugs
  • B. In a food chain on land, green plant is the producer
  • C. In an aquatic food chain mollusc larvae are the producers
  • D. In an aquatic food web, various copepods feed on mollusk Larvae and on sand eel
View Answer & Discuss WAEC 2006
2518
Which of these diseases cannot be spread by an insect?
  • A. Cholera
  • B. Malaria
  • C. Trypanosomiasis
  • D. Measles
View Answer & Discuss (6) WAEC 2006
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2519

Air pollution can be reduced by the following methods except?

  • A. building tall factory chimneys
  • B. passing waste gases through filters and absorbers
  • C. using lead-free petrol in car
  • D. recycling tins, cans and bottles
View Answer & Discuss (11) WAEC 2006
2520
An effective management of natural resources to ensure their continued yield from generation to generation may involve all the following except
  • A. protection of wildlife
  • B. prevention of habitat destruction
  • C. biological control of pests
  • D. disposal of raw sewage into the sea
View Answer & Discuss WAEC 2006
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