FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 851:

• JAMB 2008

In an experiment to determine the percentage of air in a soil sample, the following readings were recorded:
volume of water in measuring cylinder = 500 cm3
volume of soil added to water = 350 cm3
volume of water and soil after stirring = 800 cm3
the percentage of air in the soil sample is

A. 6.25%
B. 10.36%
C. 14.28%
D. 43.28%

Question 852:

• JAMB 2008

Which of the following is the most advanced evolutionary development in plants?

A. Possession of unicellular structures
B. Development of flowers
C. Dispersal of spores
D. Development of secondary thickening

Question 853:

• JAMB 2008

Use the diagram above to answer this question. Which of the organisms is characterised by the possession of a chitinous exoskeleton?

A. L
B. Ll
C. Lll
D. LV

Question 854:

• JAMB 2008

Use the diagram above to answer this question.The type of reproduction illustrated in IV is

A. Sexual
B. Conjugation
C. Binary fission
D. Budding

Question 855:

• JAMB 2008

Use the diagram above to answer this question.The vessel that carries blood from l to ll is the

A. Pulmonary artery
B. Pulmonary vein
C. Carotid artery
D. Jugular vein