Jamb Biology Past Questions For Year 2020

Question 1

In an agricultural ecosystem, the biotic component consist of

jamb 2020

  • A. crops, pests and beneficial insects
  • B. crops, temperature and humidity
  • C. pests, beneficial insects and water
  • D. crops, water and soil
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Question 2

Deamination occurs in the?

jamb 2020

  • A. Kidney
  • B. Pancreas
  • C. Spleen
  • D. Liver
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Question 3

The hormone which regulates the amount of glucose in the blood is called?

jamb 2020

  • A. Adrenalin
  • B. Auxin
  • C. Insulin
  • D. Thyroxine
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Question 4

The villus in the small intestine is significant because

jamb 2020

  • A. Increases the surface area for absorption
  • B. increases the surface area for digestion
  • C. assists in mixing digested food
  • D. assists in filtering undigested food
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Question 5

In which of the following does external fertilization take place?

jamb 2020

  • A. toad
  • B. lizard
  • C. bird
  • D. cockroach
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