Waec Biology 2015 Past Questions and Answers

Question 6:

• 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 7:

• 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 8:

• WAEC 2015

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

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

Question 9:

• 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 10:

• 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