Jamb Biology Past Questions For Year 2004
Question 16
the larval stage of a mosquito is called
- A. wriggler
- B. grub
- C. maggot
- D. caterpillar
Question 17
The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as
- A. arterioles
- B. venules
- C. arteries
- D. capillaries
Question 18
Which of the following results is to be expected if the set up is left for several hours?
- A. decrease in the size of the yam
- B. movement of the salt solution into the water
- C. decrease in the volume of water inside the yam
- D. movement of water from the salt solution into the yam
Question 19
Yam is used in this set-up because it
- A. is a permeable to the salt solution
- B. is a plant material
- C. acts as a storage organ
- D. acts as a semi-permeable membrane
Question 20
The breakdown of fats and oils into simpler absorbable compounds is catalyzed by the group of enzymes called
- A. lipases
- B. hydrolases
- C. amylases
- D. peptidases
