Biology 1997 Waec Past Questions and Answers

Question 26 :

• WAEC 1997

Which of the following structures transports water from the roots to the leaves?

A. Phloem
B. Cambium
C. Pericycle
D. Xylem
E. Cortex

Question 27 :

• WAEC 1997

The eye defect represented in the diagram is

A. Myopia
B. Hypermetropia
C. Presbyopia
D. Astigmatism
E. Conjuctivitis

Question 28 :

• WAEC 1997

The above defect is corrected by using a

A. Concave lens
B. Converging lens
C. Cylindrical lens
D. Bi-focal lens
E. Tinted lens

Question 29 :

• WAEC 1997

Which of the following organisms is viviparous?

A. Tapeworm
B. Snail
C. Sheep
D. Grasshopper
E. Lizard

Question 30 :

• WAEC 1997

The reduction of nitrates to gaseous nitrogen is

A. Nitrogen fixing
B. Nitrogen cycle
C. Ammonification
D. Putrefaction
E. Denitrification