Jamb Biology 2011 Past Questions and Answers

Question 46:

• JAMB 2011

The wings of a bat and those of a bird are examples of

A. Convergent evolution
B. Continuous variation
C. Coevolution
D. Divergent evolution

Question 47:

• JAMB 2011

Use the diagram above to answer this question.
Which of the organisms represented are notable agricultural pests?

A. Ll and IV
B. L and IV
C. Ll and lll
D. L and lll

Question 48:

• JAMB 2011

Use the diagram above to answer this question.
The gas evolved in the process is

A. Carbon (IV) oxide
B. Nitrogen
C. Oxygen
D. Carbon (II) oxide

Question 49:

• JAMB 2011

Use the diagram above to answer this question.
The experimental set-up above is used to demonstrate the process of

A. Diffusion
B. Photosynthesis
C. Fermentation
D. Plasmolysis

Question 50:

• JAMB 2011

An economic importance of the organism represented by IV is that

A. It transmit water borne disease to humans
B. It is distructive to farm crops
C. Its faeces pollutes drinkng water
D. It helps in the control of mosquito larvae