2023 WAEC (WASSCE) English Language Past Questions

X-rays and infrared rays are both electromagnetic. Which common property do the waves have? Both waves

1. A.are longitudinal
2. B.have same frequency
3. C.have the same wavelength✓ Correct
4. D.travel at the same speed in a vacuum

[a] Define the term output device. [b] Give the two types of printers. [c]  [i] Construct a truth table for an AND gate with two input signals.      [ii] State the output of an OR gate with the signals 0 and 1. [d]  list two types of an logic gate that gives an output of 1 when all of its input signals are 1.

Which of the following plants is not a leguminous forage?

1. A.A. Centrosema Pubescens✓ Correct
2. B.B. Panicum maximum
3. C.C. Stylosanthes gracilis
4. D.D. Calopogonium mucunoides

The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question. which features of the diagram would have earned the student more marks if shown

1. A.colour and size✓ Correct
2. B.spelling of label and length of midrib
3. C.habitat and agricultural qualities of leaf
4. D.title and margin

What is CaHb in the following equation? C a H b + 5O2 → 3CO 2 + 4H2O

1. A.C 3H4
2. B.C3H6
3. C.C3H8
4. D.C 5H 10✓ Correct

Sunlight is the major source of

1. A.Vitamin D
2. B.vitamin C
3. C.vitamin B✓ Correct
4. D.vitamin A

The nucleon number of an atom is the total number of

1. A.electrons and protons
2. B.electrons and neutrons✓ Correct
3. C.neutrons minus electrons
4. D.protons and neutrons

After each of the following sentences, a list of possible interpretations is given. Choose the interpretation that is most appropriate for each sentence. One of the athletes was disqualified because she jumped the gun. This means that she started

1. A.on time✓ Correct
2. B.hurriedly
3. C.without permission
4. D.too soon

Which of the following statements is true about mutation?

1. A.Phenotype is not involved✓ Correct
2. B.Genotype is not involved
3. C.Artificial induction is not possible
4. D.Genotype is involved

The table below illustrates the supply schedule of maize. Use it to answer this question.                           PRICE(#)           QUANTITY SUPPLIED(kg)                             24                          480                             16                          400 The percentage change in quantity supplied for maize is

1. A.A. 16.7%✓ Correct
2. B.B. 20%
3. C.C. 80%
4. D.D. 83.3%