Jamb Biology Past Questions For Year 2004
Question 26
The anaerobic fermentation of a glucose molecule yields
- A. 38 ATP molecules
- B. 2 ATP molecules and alcohol
- C. pyruvic acid and alcohol
- D. water and carbon (IV) oxide
Question 27
The two keys cation involved in the action potential of nervous transmissions are
- A. Na+ an Fe2+
- B. Mg2+ and K+
- C. Na+ and K+
- D. Fe2+ and Mg2+
Question 28
If a nursing mother is not producing enough milk, her hormonal system is probably deficient in
- A. prolactin
- B. testosterone
- C. thyroxin
- D. insulin
Question 29
Nervous control differs from hormonal control in that the former
- A. involves only chemical transmision
- B. is a lower process
- C. produces short-term changes
- D. has no specific pathway
Question 30
Epigeal germination of a seed is characterized by
- A. more rapid elongation of the hypocotyl than the epicotyl
- B. more rapid elongation of the epicotyl than the hypocotyl
- C. equal growth of both the hypocotyl and epicotyl
- D. lack of growth of the hypocotyl
