Jamb Biology Past Questions For Year 1993
Question 16
The butterfly is of great economic importance because
- A. of its use in scientific studies
- B. it sucks nectar from flowers
- C. it adds to the beauty of the enviroment
- D. it polllinates flowers of crops and other plants
Question 17
The spores of mucor are dispersed by
- A. water
- B. wind
- C. insects
- D. explosive mechanism
Question 18
Members of the phylum protozoa use the contractile vacuole
- A. to remove excess food
- B. for movement
- C. for digestion
- D. to remove excess water
Question 19
The main function of blood in mammals is to transport
- A. excretory materials from tissues
- B. carbondioxide from lungs to tissues
- C. digested food from all the body tissues
- D. oxygen to the lungs
Question 20
The end products of the digestion of fats and oils in mammals are
- A. maltose and fatty acid
- B. amino acids and glucose
- C. fatty acid and fructose
- D. fatty acids and glycerin
