Past Questions And Answers
An acid is a substance which in the presence of water produces
- A. salts
- B. oxygen
- C. effervescence
- D. hydroxonium ions
Select the option that best explains the information conveyed in the sentence. The officer has discussed the vexed issue of incessant power failure?
- A. In anger the officer explained the problem of constant power failure
- B. The officer added his voice to the much discussed problem of power cut
- C. The officer's explanations angered those failures who have suffered the effects of frequent power failure
- D. The officer told the people not to be angered by the frequent power cut
What is National income and its importance.
View Discussion (0)WAEC 1990 THEORYIf a commodity has a high marginal utility, its market price will be
- A. stable
- B. high
- C. zero
- D. constant
Amaziah advised Amos to go and prophesy in Judah instead of Bethel because_______
- A. the king's sanctuary was in Bethel
- B. Amos was a dresser of sycamore tree
- C. Jeroboam, Bethel's king was after Amos' life
- D. the Words of Amos intimidated Judah
The exchange of genes between homologous chromosomes is called
- A. test cross
- B. back cross
- C. crossing-over
- D. mutation
Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0
- A. -4
- B. 4
- C. 8
- D. -8
Root-knot disease in tomatoes is caused by
- A. virus
- B. nematode
- C. bacterium
- D. fungus
Which of the following pairs consists of gametes?
- A. Ova and spermatozoa
- B. Spores and sporangium
- C. Flowers and pollen grains
- D. Testes and ovaries
BY definition, variable cost (VC) is related to total costs (TC) and fixed costs (FC) by the equation?
- A. VC =TC + FC
- B. VC = TC - FC
- C. VC = TC/FC
- D. VC = (TC)(FC)