Jamb Biology 2000 Past Questions and Answers

Question 41:

• JAMB 2000

The surest way to combine the best qualities of both parents in the offspring is by

A. Cross-breeding
B. Inbreeding
C. Selective breeding
D. Pure breeding

Question 42:

• JAMB 2000

Blood grouping in human beings is derived from combinations of

A. Two different alleles
B. Four different alleles
C. Three different alleles
D. Two different genes

Question 43:

• JAMB 2000

The older fossil-bearing rocks, in contrast to the more recent ones, are more likely to contain

A. Animal rather than plant remains
B. Invertebrates rather than birds
C. Flowering plants rather than mosses
D. Reptiles rather than fishes

Question 44:

• JAMB 2000

In a group of male Agama lizards, the one with the brightest head colour is the

A. Dominant
B. Youngest
C. Oldest
D. Largest

Question 45:

• JAMB 2000

Example of water-borne and sex linked diseases are

A. Taeniasis and malaria
B. Cholera and gonorrhoea
C. Typhoid and syphilis
D. Dracunculiasis and haemophilia