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71
One of the following statement is not true of viruses
  • A. They are micro-organisms
  • B. They are smaller than bacteria
  • C. They can be seen with an ordinary light microscope
  • D. They cause tobacco disease
  • E. They cause polio and smallpox
View Answer & Discuss (13) JAMB 1979
72
If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be
  • A. 2:1
  • B. 1:2
  • C. 1:1
  • D. 1:3
  • E. 3:1
View Answer & Discuss (13) JAMB 1979
73
The digestive enzyme that coagulates proteins in milk is
  • A. Ptyalin
  • B. Pepsin
  • C. Renin
  • D. Trypsin
  • E. Amylase
View Answer & Discuss (9) JAMB 1979
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO offline past questions - All questions, answers & explanations in one app 25712
74
The hepatic portal vein is characterized by
  • A. Beginning and ending with capillaries
  • B. Connecting the liver and the kidney
  • C. Carrying deoxygenated blood
  • D. Ending with large capillaries
  • E. Having no capillaries
View Answer & Discuss (6) JAMB 1979
75
The blood vessel which carries digested food from the small intestine to the liver is the
  • A. Renal vain
  • B. Renal artery
  • C. Hepatic artery
  • D. Hepatic portal vein
  • E. Coelic artery
View Answer & Discuss (6) JAMB 1979
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709