2025 WAEC (WASSCE) Agricultural Science Past Questions

Which of the following pairs of compounds would form a precipitate when their aqueous solutions are mixed?

1. A.NaCl and KNO$_{3}$
2. B.KCL and NaNO$_{3}$✓ Correct
3. C.K$_{2}$SO$_{4}$ and BaCl$_{2}$
4. D.NH$_{4}$NO$_{3}$ and CO$_{3}$

choose the word or group of words that is nearest in meaning to the underlined word as it is used in the sentence.   Mrs. Okpala gave the drunk a contemptuous look.

1. A.happy✓ Correct
2. B.sorrowful
3. C.knowing
4. D.scornful

What are the values of x and y in the following equation? $^{234}_{90}$Th → $^y_x$Pa + ß- particle

1. A.91 234
2. B.92 235✓ Correct
3. C.89 235
4. D.88 238

But the towering earth was tired of sitting in one position. She moved suddenly and the houses crumbled, the mountains heaved horrible, and the work of a million years was lost   The effect of the extract is conveyed through the use of___________

1. A.Antithesis
2. B.Parallelism
3. C.Conceit✓ Correct
4. D.Climax

Each side of a regular convex polygon subtends an angle of 30° at its center. Calculate each interior angle

1. A.75o
2. B.150o✓ Correct
3. C.160o
4. D.68o

A substance is said to be hygroscopic if it absorbs

1. A.water from the atmosphere to form a solution
2. B.heat from the surrounding✓ Correct
3. C.carbon (IV) oxide from the atmosphere
4. D.moisture from the atmosphere without dissolving

In the diagram, $\bar{PS}\hspace{1mm} and \hspace{1mm}\bar{QT}$ are two altitudes of ∆PQR. Which of the following is equal to ∠RQT?

1. A.∠PQT
2. B.∠SRP✓ Correct
3. C.∠PQR
4. D.∠SPR

The graph given is for the relation y = 2x2 + x - 1. Find the minimum value of y

1. A.0.00
2. B.-0.65
3. C.-1.25✓ Correct
4. D.-2.10

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. Neither John..Mary was found suitable for the job

1. A.with
2. B.or✓ Correct
3. C.and
4. D.nor

In the following passage, the numbered gaps indicate missing words. Against each number in the list below the passage, four options are given in columns lettered A to D. Choose word that is the most suitable to fill 75 in the passage.

1. A.barns
2. B.huts
3. C.pits
4. D.shelters✓ Correct