Waec Biology Past Questions and Answers

Question 1581:

• WAEC 2015

Water and salts are both lost from the human body in

A. Breath and sweat
B. Breath and Urine
C. Breath, urine and sweat
D. Sweat and urine

Question 1582:

• WAEC 2015

Which of the following features could be used to determine the growth of a seedling?

A. Number of flowers
B. Number of leaves
C. Length of flowers
D. Length of radicle

Question 1583:

• WAEC 2015

A plant that commonly undergoes vegetative propagation by means of leaves is

A. Hibiscus
B. Bryophylum
C. Crotalaria
D. Spirogyra

Question 1584:

• WAEC 2015

Blood pressure is higher in the arteries as a result of

A. Stree
B. Contraction and relaxation
C. Blockage in the arteries
D. Presence of valves

Question 1585:

• WAEC 2015

A farmer who wants to keep seeds for three years before planting and wants to prevent them from sprouting uses

A. Auxin
B. Gibberellins
C. Abscisin
D. Cytokinins