Jamb Biology 2002 Past Questions and Answers

Question 21:

• JAMB 2002

In his theory of evolution, Darwin implied that

A. The struggle for existence among living organisms is sporadic
B. The most successful organisms are those that best adapt to their environment
C. Organs of the body which are not regularly used by an organism will disappear
D. Any traits acquired by an organism during its lifetime can be passed on its offspring

Question 22:

• JAMB 2002

The carnassial teeth of a carnivorous animal consist of the

A. Last upper premolar and the first lower molar
B. Last upper molar and the last lower molar
C. First upper premolar and the lower molar
D. First upper molar and the first lower molar

Question 23:

• JAMB 2002

Birds which are large with long straight pointed beaks, long necks and long legs are likely to be

A. Insect eaters
B. Fish catchers
C. Nectar feeders
D. Fruit eaters

Question 24:

• JAMB 2002

A feature of the caste system of bees and termites ia that

A. The workers are sterile
B. The kings are bigger than the queens
C. Only the worker perform duties
D. Nuptial flight is performed by all members

Question 25:

• JAMB 2002

The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the

A. Eye
B. Chorion
C. Allantois
D. Gill-silts