FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 11:

• JAMB 2019

The hormone which tones up the muscles of a person in time of danger is from the

A. Pancreas
B. Adrenal gland
C. Liver
D. Thyroid gland
E. Testosterone

Question 12:

• JAMB 2019

A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow that

A. The shoot lost 1g of water per hour
B. The potometer water receded at the rate of 1g per hour
C. The shoot absorbed 1g of water per hour
D. The shoot was respiring and lost weight at rate of 1g per hour
E. 1g of water per hour evaporates from the potometer

Question 13:

• JAMB 2019

At fertilization

A. One gene from the male combines with another from the female
B. One cell from the male fuses with another from the female
C. One set of chromosome combines with another set from the female
D. One chromosome from the male joins another from the female
E. The male nucleus fuses with the female nucleus

Question 14:

• JAMB 2019

The neck region of the tape worm, (taenia) is responsible for the

A. Storage of egg
B. Fragmentaion of the body segment
C. Production of egg
D. development of the suckers
E. Formation of new segment

Question 15:

• JAMB 2019

Which of these is not true of the insect? The possession of

A. Exoskeleton
B. Two pairs of antennae
C. Jointed appendages
D. Three pairs of legs
E. Segmented body