2023 WAEC (WASSCE) Agricultural Science Past Questions

As the end Q of the plank is raised, the component of W, normal to plank, will

1. A.increase
2. B.decrease
3. C.remain the same
4. D.be slightly greater than W✓ Correct
5. E.be independent of w

From the words or groups of words lettered A to D, choose the words or group of words that best completes each of the following sentences. Bakary can lift this heavy log,....?

1. A.isn't it✓ Correct
2. B.can't he
3. C.does he
4. D.doesn't he

The vapour density of an organic compound with the molecular formula $C_2H_4O_2$, is [H=1.0, C=12.0, O= 16.0]

1. A.40
2. B.120✓ Correct
3. C.65
4. D.30

A 12$\Omega$ resistor dissipates 8kJ of heat in 20s. Calculate the current through the resistor

1. A.5.8A
2. B.6.9A
3. C.30.0A✓ Correct
4. D.33.3A

The distribution of organisms in a fresh water habitat like a stream or pond is determined by the following factors except

1. A.light penetration
2. B.pH of the soil✓ Correct
3. C.rainfall
4. D.temperature

Which of the following salts in aqueous solution will have a pH greater than 7?

1. A.NaCl✓ Correct
2. B.ACI3
3. C.FeCI3
4. D.Na 2SO4
5. E.K 2CO3

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences. His idea appears ......odd for people to accept

1. A.little
2. B.little too
3. C.too little
4. D.a little too✓ Correct

A body of mass M kg rests on a plane inclined at an angle $\theta$ to the horizontal. The component of the weight of the body parallel to the plane is

1. A.Mg sin $\theta$
2. B.Mg cos $\theta$
3. C.Mg tan $\theta$✓ Correct
4. D.Mg sec $\theta$

choose the word or group of words that best completes each of the following sentences: We need to_______ for lost ground.

1. A.make in
2. B.make by✓ Correct
3. C.make up
4. D.make through

A chemical balance is used for measuring

1. A.volume
2. B.mass
3. C.thickness✓ Correct
4. D.density