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Biology Past Questions and Answers

Topic: Animal nutrition

Jamb Biology Questions - Animal nutrition

Question 46:
In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns
  • A Blue on heating
  • B Yellow on heating
  • C Green on heating
  • D Red on heating
View Answer & Explanation
Question 47:
The most reliable estimate of growth is by measuring changes in
  • A Length
  • B Volume
  • C Surface area
  • D Dry weight
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Question 48:
The richest source of vitamin A are
  • A Palm oil and groundnut oil
  • B Palm oil and carrot
  • C Rice and groundnut oil
  • D Oranges and carrot
View Answer & Explanation
Question 49:
The substance labelled II originates from
  • A III only
  • B IV only
  • C I and IV
  • D III and Iv
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Question 50:
The enzyme invertase will hydrolyze sucrose to give
  • A Maltose and glucose
  • B Glycerol and fatty acid
  • C Glucose and fructose
  • D Mannose and galactose
View Answer & Explanation