Past Questions And Answers
A radioactive substance has a half life of 20 days. What fraction of the original radioactive nuclei will remain after 80 days?
- A) 1/32
- B) 1/16
- C) 1/8
- D) 1/4
In the question below choose the word(s) or phrase(s) which best fills the gap(s): The hunter brought home ..... antelope.
- A. alive
- B. a life
- C. a live
- D. a living
The structures for gaseous exchange in breathing roots are
- A. stomata
- B. lenticels
- C. cuticle
- D. mitochondria
Fowls is are debeaked in order to
- A. reduce feed intake
- B. make them grow faster
- C. reduce cannibatlism
- D. vitamin A
(a) What is water pollution?
(b) Highlight any three causes of water pollution.
(c) Outline three effects of water pollution.
(d) List any two measures that can be used to control water pollution.
View Discussion (0)WAEC 2010 THEORYGiven that sin (5x - 28)° = cos (3x - 50)°, 0 < x < 90°, find the value of x
- A. 14°
- B. 21°
- C. 32°
- D. 39°
If in the English alphabet, A = 1, B = 2, C = 3…… and Z = 26, what will be difference in the sum of DOG and CAT?
- A. 26
- B. 24
- C. 2
- D. 1
Fixed assets N85,600 Sales N197,000
Stock N34,300
Salaries N37,000
Purchases N127,700
Share capital N120,000
Creditors N16, 050
Motor expenses N10,500
Debtors N25,000
Determine the total of the trial balance?
- A. N335,050
- B. N333,050
- C. N323,050
- D. N230,550
(a) Using specific examples, describe any four factors influencing the location of manufacturing industries in developing countries
(b) Outline four problems associated with the establishment of heavy industries in West Africa
(c) Suggest solution to these problems
View Discussion (0)WAEC 1999 THEORYWhich of these has the lowest pH value?
- A) calcium trioxocarbonate (IV)
- B) sodium trioxocarbonate (IV)
- C) hydrochloric acid
- D) hydrocarbon acid