FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 761:

• JAMB 2004

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

Question 762:

• JAMB 2004

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 763:

• JAMB 2004

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 764:

• JAMB 2004

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 765:

• JAMB 2004

Paternity dispute can most accurately be resolved through the use of

A. Finger printing
B. Blood group typing
C. DNA analysis
D. Tongue-rolling