WAEC (WASSCE) Biology Past Questions & CBT Practice

The diagram above is an illustration of some structures used for gaseous exchange in humans. Study it and answer the question The parts labeled 1, II, III, and IV respectively are

1. A.larynx, bronchus, bronchiole and trachea.✓ Correct
2. B.bronchus, bronchiole, trachea and larynx.
3. C.bronchiole, trachea, bronchus and larynx.
4. D.larynx, trachea, bronchiole, and bronchus.

Study the food chain illustrated below and use it to answer this question. J-K-L-M-N Organism J is normally sustained by energy from?

1. A.Green plants
2. B.carbohydrates
3. C.organism
4. D.sunlight✓ Correct

The two sources of energy that would mostly lead to pollution in the community are

1. A.solar and kerosene
2. B.coal and wind
3. C.kerosene and coal✓ Correct
4. D.solar and wind

Plants suitable for experiments in genetics must not

1. A.produce numerous seeds within a short time
2. B.have a small number of chromosomes
3. C.have a relatively short life cycle
4. D.produce one generation in a large period✓ Correct

The illustration above is a genetic diagram. Study it and answer the question below.           What is the name of the genetic diagram?

1. A.Genetic square
2. B.Inheritance diagram
3. C.Punnett square✓ Correct
4. D.Genetic cross

Which of the following organisms exhibits division of labour?

1. A.butterfly
2. B.cockroach
3. C.termite✓ Correct
4. D.housefly