2021 WAEC (WASSCE) English Language Past Questions

The yield of palm oil could be reduced by infestation

1. A.A. caterpillar
2. B.A. cotton stainer✓ Correct
3. C.B. myrid
4. D.C. army worm

Which of the following statements correctly defines quantitatively the work done by a force? the product of the force and the distance moved

1. A.parallel to the line of action of the force from a reference point
2. B.perpendicular to the line of action of the force from a reference point
3. C.on a line through the reference point✓ Correct
4. D.by the object

Which of the following groups contains entirely linear molecules?

1. A.H 2NH3O 2
2. B.CO2NH 3 2✓ Correct
3. C.H 2CH4N2
4. D.CO2H2N2
5. E.CH 4O 2CO 2

Vosges and black forest mountains are examples of

1. A.residual
2. B.block✓ Correct
3. C.fold
4. D.volcanic

The main reason for immunizing children is to

1. A.destroy pathogens in their bodies
2. B.increase the production of white blood cells✓ Correct
3. C.stimulate the production of antibodies
4. D.simulate the production of antigens

Kreb’s cycle occurs in the

1. A.mitochondria
2. B.cytoplasm
3. C.nucleus✓ Correct
4. D.ribosomes

The diagram above illustrates a part of the mammalian skeleton . use it to answer this this question The function of the part lebelled I is to

1. A.provide support to the spinal cord✓ Correct
2. B.provide surface for attachment of the muscle
3. C.carry the spinal cord
4. D.articulate with adjacent vertebrae

Which of the following are characteristics of manufacturing induitries in Tropical Africa? I. Export-oriented II. Labour intensive III. Consumer-oriented IV. Diversified production

1. A.I and II only✓ Correct
2. B.II and III only
3. C.I and IV only
4. D.I and III only

The vapour pressure of a liquid depends on: I. Temperature II. rate of condensation III. Cohesive forces holding the particles together.

1. A.I✓ Correct
2. B.I and II
3. C.I and III
4. D.II and III

During the electrolysis of dilute tetraoxosulphate (VI) acid solution 0.05 mole of electrons were passed what volume of gas was produced at the anode? (Gaseous molar volume = 22. 4dm3 at s.t.p)

1. A.0.224 dm3✓ Correct
2. B.0.280 dm3
3. C.0.560 dm3
4. D.2.24 dm3
5. E.22.4 dm3