Jamb Biology 1999 Past Questions and Answers

Question 41:

• JAMB 1999

The biological factor that is unique to each individual is the

A. DNA
B. Eye colour
C. Blood group
D. RNA

Question 42:

• JAMB 1999

From evolutionary standpoint , the older a fossil-bearing rocks is, the more likely it is to contain

A. Aves as opposed to amphibians
B. Invertebrates as opposed to vertebrates
C. Angiosperms as opposed to algae
D. Vertebrates as opposed to invertebrates

Question 43:

• JAMB 1999

The very bright colours in some types of mushroom

A. Are warning that they may be poisonous
B. Indicate they are very taste
C. Attract potential transporters of the spores
D. Perform the same function as bright colours in flowers

Question 44:

• JAMB 1999

The least adaptive feature of aboreal life is the

A. Possession of fouur limbs
B. Possession of claws
C. Development of long tail
D. Shading of coat colour

Question 45:

• JAMB 1999

Which of the following is one of Lamarck's theories?

A. Some variations are more favourable to existence in a given environment than others
B. All living organisms are constantly involved in a struggle to existence
C. The size of a given population remains fairly constant
D. New species originates through the inheritance of acquired traits