Jamb Biology 2010 Past Questions and Answers

Question 41:

• JAMB 2010

The flippers of a whale and the fins of a fish are examples of

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

Question 42:

• JAMB 2010

If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

A. \(\frac{1}{2}\)
B. \(\frac{3}{4}\)
C. \(\frac{1}{4}\)
D. 1

Question 43:

• JAMB 2010

Use the diagram above to answer this question.In which plantation are all the trees between the height of 2-4m?

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

Question 44:

• JAMB 2010

Use the diagram above to answer this question.Which of the following is a true feature of plantation ll?

A. It has the highest number of trees of about 2m high.
B. It has highest number of trees
C. It has the highest number of tall trees
D. The height of all its trees range between 2m and 6m

Question 45:

• JAMB 2010

Use the diagram above to answer this question.The movement of material in the xylem and phloem tissues of the plant are represented by the arrows labelled

A. Lll and IV respectively
B. Ll and l respectively
C. L and ll respectively
D. L and lll respectively