Jamb Biology 1983 Past Questions and Answers

Question 26:

• JAMB 1983

which of these worms is beneficial to man?

A. Hookworm
B. Tapeworm
C. Roundworm
D. Earthworm
E. Guinea worm

Question 27:

• JAMB 1983

Starting from the skull end the vertebrate are arranged in the following order

A. Axis, atlas, cervical, thoracic and lumber
B. Atls, cervical, axis, thoracic and lumber
C. Atlas, axis, thoracic, cervical and lumber
D. Atlas, axis, cervical, thoracic and lumber
E. Atlas, thoracic, cervical, axis and lumber

Question 28:

• JAMB 1983

which of the following diseases could be exclusively associated with river basin?

A. Malaria
B. Syphilis
C. Onchocerciasis
D. Cholera
E. Poliomyelitis

Question 29:

• JAMB 1983

Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers

A. 2 → 1 → 4 → 3 → 5
B. 5 → 4 → 3 → 2 → 1
C. 2 → 4 → 5 → 1 →3
D. 3 → 2 → 4 → 5 → 1
E. 4 → 3 → 2 → 5 → 1

Question 30:

• JAMB 1983

Which of the following statements on the mammalian circulatory system is NOT true?

A. Blood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein
B. The blood in the hepatic portal vein is the richest in food substance
C. Blood flow is controlled by valves in the veins
D. Arteries are generally thicker and larger than veins
E. Fibrin helps in the formation of blood clot