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Saturday, 25 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 366:
In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results?
  • A Mercurous nitrates
  • B Copper sulphate
  • C Mercuric nitrate
  • D Sodium carbonate
  • E Ammonium hydroxide
View Answer & Explanation
Question 367:
The removal of a man’s pancreas by surgical operation can affect only the digestion of
  • A Starch
  • B Starch, protein and fats
  • C Oils and fats
  • D Proteins
  • E Carbohydrates and fats
View Answer & Explanation
Question 368:
The parts used by the tapeworm to fasten itself to the host’s intestine are the
  • A Neck and suckers
  • B Hooks and suckers
  • C Rostellum and suckers
  • D Young proglottis and neck
  • E Rostellum, hooks and suckers
View Answer & Explanation
Question 369:
Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man?
  • A Caudal
  • B Thoracic
  • C Lumber
  • D Cervical
  • E Sacral
View Answer & Explanation
Question 370:
Which of the following statements is NOT true of the piliferous layer of root? It
  • A Has a very thin cuticle
  • B Is the outermost layer of the cortex
  • C May bear root hairs
  • D Breaks down as the root ages
  • E Is replaced by cork in old roots
View Answer & Explanation