Past Questions And Answers
Explain why it is desirable to install an air conditioner near the ceiling of a room and not close to the floor.
View Discussion (0)WAEC 2012 THEORYThe population pyramid for a developed country has a narrow base which indicates?`
- A. low birth rate
- B. high birth rate
- C. more females than males
- D. high fertility ratio
The use of sound pattern to suggest meaning in poetry is
- A. lyric
- B. lullaby
- C. mimic
- D. rhythm
Which of the following actions will improve the efficiency of the pulley system?
- A. reducing the mass of the pulley
- B. increasing the friction force between the string and the pulley
- C. increasing the mass per unit length of the string of the pulley
- D. increasing the mass of the pulley
From the words lettered A to D, choose the word that best completes each of the following sentences: I really like working in that office; I found the..........very friendly.
- A. condition
- B. atmosphere
- C. air
- D. situation
Which of the following is an intangible asset and a measure of a firm's superior earning power?
- A. Patent
- B. Goodwill
- C. Trademark
- D. Right issue
(a) State the phenomenon illustrated by the:
(i) spreading of the smell of hydrogen sulphide gas in the laboratory;
(ii) existence of atoms of the same element having different mass numbers
(b) The atomic number of an element is 17. It has different atoms containing 18 neutrons and 20 neutrons, with a relative abundance of 75% and 25% respectively. Calculate the relative atomic mass of the element.
View Discussion (0)WAEC 1993 THEORYOne advantage of variation in a species population is that individuals
- A. with favoured traits become dominant
- B. easily reach their reproductive age
- C. are easily recognised by mates
- D. are better adapted to change
A machine is used to lift a load of 20 N through a height of 10 m. if the efficiency of the machine is 40%, how much work is done?
- A) 80 J
- B) 500 J
- C) 300 J
- D) 120 J
The governor - general of Nigeria at the time of political independence was
- A. Lord Frederick Lugard
- B. Sir John Macpherson
- C. Sir. Arthur Richards
- D. Sir James Robertson