Past Questions And Answers
The following table shows the distribution of test scores in a class.
| Scores | 1 | 2 | 3 | 4 | 5 | 7 | 8 | 9 | 10 |
| No of pupils | 1 | 1 | 5 | 3 | \(k^{2} + 1\) | 6 | 2 | 3 | 4 |
(a) If the mean score of the class is 6, find the : (i) value of k (ii) median score.
(b) Draw a bar chart for the distribution.
(c) If a pupil is picked at random, what is the probability that he/ she will score less than 6?
View Discussion (0)WAEC 2006 THEORY_LI.jpg)
Which of the following features are all associated with monocots?
- A. Fibrous root system, branched network of veins and one seed leaf
- B. Fibrous root system, two seed leaves and floral parts in threes
- C. One seed leaf, petals in threes or group of thees and parallel venation of leaves
- D. One seed leaf, net-veined leaves and petals in threes or multiple of three
Which of the following statements is true of the molecules of a gas under ideal conditions? The molecules
- A. move at random
- B. undergo inelastic collisions
- C. attract each other
- D. occupy a large volume
The political rights of a cit?zen include the
- A. freedom of speech
- B. right to employment
- C. right to vote
- D. right to l?fe
Which of the following correctly, describes the image of an object, 4cm from a diverging lens of focal length 12cm?
- A. The image is virtual, 3cm in front of the lens
- B. The image is real, 6cm behind the lens
- C. The image is virtual, 6cm in front of the lens
- D. The image is real, 3cm in front the lens
No Sooner had Obafemi entered the room _____ the rain started
- (A) when
- (B) before
- (C) than
- (D) immediately
the size of an enterprise is determined by?
- A. number of customers of the enterprise
- B. length of the time the firm has been in operation
- C. amount of capital invested
- D. type of work done
The law of diminishing marginal utility applies to a
- A. firm which minimizes cost
- B. consumer who maximizes satisfaction
- C. producer who maximizes marginal product
- D. consumer who minimizes total utility
Photosynthetic organisms are classified as__________
- A) Autotrophs
- B) Heterotrophs
- C) Herbivorous
- D) Omnivorous
The A-Horizon of soil profile is also called the
- A. Top soil
- B. Sub-soil
- C. Parent materials
- D. Bedrock