2020 WAEC (WASSCE) Agricultural Science Past Questions

The property of elements which increases down a group of the periodic table is

1. A.electronegativity✓ Correct
2. B.electron affinity
3. C.ionic radius
4. D.ionization energy

The length of a piece of stick is 1.75m. A girl measured it as 1.80m. Find the percentage error

1. A.$\frac{28}{7}$%✓ Correct
2. B.$\frac{29}{7}$%
3. C.5%
4. D.$\frac{20}{7}$%

Which of the following is a fundamental quantity?

1. A.Heat capacity
2. B.Electric current
3. C.Torque✓ Correct
4. D.Reactance
5. E.Density

EWÌ: ADÉBÒWÁLÉ, Lonígbàá Ká   Nínú àkólé "wón i wò yín"wón' tóka sí

1. A.A. edun
2. B.B. omo✓ Correct
3. C.C. èsin
4. D.D. òbí

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.  My brother ______ in lagos for the past ten years.

1. A.is living
2. B.lived
3. C.will lived✓ Correct
4. D.has been living

The most suitable indicator for the reaction between NaOH and HCOOH is?

1. A.bromocresol
2. B.methyl orange✓ Correct
3. C.methyl red
4. D.phenolphthalein

which of the following is trueof the monopolist

1. A.his average revenue curve is horizontal
2. B.He determines both price and output
3. C.his demand and marginal revenue curve are the same✓ Correct
4. D.he determines either price or output

From the words lettered A to D, choose the word that contains the sound represented by the given phonetic symbol. /æ/

1. A.early
2. B.dragon
3. C.bread
4. D.card✓ Correct

The diagram above is an illustration of one of the theories of evolution. Who proposed the theory in the illustration?

1. A.Louis Pasteur
2. B.Gregor Mendel
3. C.Robert Hooke✓ Correct
4. D.Jean Lamarck

From the words or groups of words lettered A to D, chose the word or group of words that best completes the sentence. The activities marking the golden jubilee celebrations of the club were...with a party.

1. A.rounded off
2. B.rounded over
3. C.rounded through✓ Correct
4. D.rounded up