2021 WAEC (WASSCE) Christian Religious Studies Past Questions

Make x the subject of the relation d = $\sqrt{\frac{6}{x} - \frac{y}{2}}$

1. A.x = $\frac{6 + 12}{d^2 + y}$
2. B.x = $\frac{12}{d^2 - y}$✓ Correct
3. C.x = $\frac{12}{y} - 2d^2$
4. D.x = $\frac{12}{2d^2 + y}$

A person had an accident that affected the skull but not the nose and later lost the sense of smell. The accident must have a affected the

1. A.nose by extension
2. B.olfactory lobes of the brain
3. C.passage from the nose to the brain
4. D.part of the skull near the nose✓ Correct

From the words lettered A to D below each of the following sentences, choose the word that is nearest in meaning to the underlined word Fafa has a conspicuous nose

1. A.prominent
2. B.flat
3. C.battered✓ Correct
4. D.pointed

A battery of e.m.f. 12.0V and internal resistance0.5$\Omega$ is connected to 1.5$\Omega$ and 4.0$\Omega$ series resistor. Calculate the terminal voltage of the battery.

1. A.13.0V
2. B.11.0V✓ Correct
3. C.3.0V
4. D.1.0V

Which of the following methods can be used to separate a mixture of two miscible liquids with different boiling points?

1. A.Decantation
2. B.Distillation✓ Correct
3. C.Evaporation
4. D.Filtration

The saying ''ask for what you can do for your own country and not what your country can do for you'' denotes that

1. A.A. The country owes you no obligation as a citizen
2. B.B. citizens have both constitutional rights and obligation
3. C.C. fundamental rights are to be safeguarded by the citizens✓ Correct
4. D.D. service and reward does not go together

Which of the following quantities is a vector?

1. A.Volume
2. B.Momentum
3. C.Energy
4. D.Speed✓ Correct

A measure of the degree of disorder in a chemical system is known as the

1. A.enthalpy
2. B.free energy✓ Correct
3. C.activation energy
4. D.entrophy
5. E.equilibrium

In the diagram above, M, N, R are points on the circle centre O. ∠ORN = 48° and ∠RNM = 124°. Find ∠OMN.

1. A.$58^0$
2. B.$64^0$
3. C.$48^0$✓ Correct
4. D.$76^0$

According to the collision theory of reaction rates, which of the following conditions is not required for two molecules to react? The molecules must

1. A.come into contact without loss of energy on colliding with each other✓ Correct
2. B.collide with enough energy to overcome the activation energy barrier
3. C.collide in an orientation that makes formation of product possible
4. D.possess enough speed to overcome intermolecular forces of attraction