Waec Biology 2013 Past Questions and Answers

Question 26:

• WAEC 2013

The correct arrangement of food classes of the same quantity in the order of magnitude of energy value in animals in descending order is

A. Carbohydrates, fats and oils, water, protein
B. Fats and oils, carbohydrates, protein, water
C. Water, fats and oils, carbohydrates, protein
D. Protein, fats and oils water and carbohydrates

Question 27:

• WAEC 2013

Which of the following substances is not complex carbohydrate?

A. Glycogen
B. Cellulose
C. Starch
D. Glucose

Question 28:

• WAEC 2013

Which of the following associations is an example of epiphytism?

A. Lice in the human hair
B. Mistletoe on citus fruit.
C. Egret on cow
D. Fern on palm tree

Question 29:

• WAEC 2013

Ecology simply means the study of

A. Particular species of plants and animals
B. The interrelationship between orgganisms and their environment
C. The properties of a habitat
D. The interrelationship between plants and animals

Question 30:

• WAEC 2013

The maximum size of a population that a given area can support is known as

A. Population density
B. Carrying capacity
C. Population growth
D. Maximum population