Jamb Biology 1979 Past Questions and Answers

Question 6:

• JAMB 1979

An organism which lives on the remain of dead plant is

A. An endoparasite
B. Saprophyte
C. Commensal
D. Symbiont
E. Ectoparasite

Question 7:

• JAMB 1979

Which of the substance listed below is a trace element of plants?

A. Potassium
B. Sodium
C. Copper
D. Phosphate
E. Nitrate

Question 8:

• JAMB 1979

The movement of molecules from a region of higher concentration to one of lower concentration is

A. Diffusion
B. Transpiration
C. Osmosis
D. Translocation
E. Plasmolysis

Question 9:

• JAMB 1979

Which of the structure listed below is peculiar to the axis vertebra?

A. Odontoid process
B. Anterior zygapophysis
C. Posterior zygapophysis
D. Lateral spine
E. Centrum

Question 10:

• JAMB 1979

The complex relationship between the members of a community and between the community as a whole and its physical environment is

A. Ecosystem
B. Habitat
C. Environment
D. Niche
E. Micro habitat