Past Questions And Answers
(a) Explain wave-particle duality of light.
(b) Illustrate your answer in (a) with observable phenomena.
View Discussion (0)WAEC 2012 THEORYThe prophet who proclaimed the new covenant of God with Israel and Judah was
- A. Hosea
- B. Isaiah
- C. Ezekiel
- D. Jeremiah
Which of the following enzymes is directly associated with polypeptide formation, and has the function of binding amino acids to each other at the ribosome?
- A. tRNA synthetase
- B. Ligase
- C. Peptidyl transferase
- D. ATP synthase
Simplify \(\frac{4\sqrt{18}}{\sqrt{8}}\)
- A. 2
- B. 3
- C. 6
- D. 12
A country whose population size is too small relative to its resource is
- A. over populated
- B. optimally populated
- C. under populated
- D. producing the optimum output
Identify the word with a different stress pattern
- A. maintenance
- B. candidate
- C. enigma
- D. primacy
A boy 14 m tall, stood 10m away from a tree of height 12 m. Calculate, correct to the nearest degree, the angle of elevation of the top of the tree from the boy's eyes.
- A. 70°
- B. 47°
- C. 19°
- D. 8°
Methanoic acid mixes with water in all proportions and has about the same boiling point as water. Which of the following methods would you adopt to obtain pure water from a mixture of Sand, water and methanoic acid?
- A) Fractional distillation
- B) Filtration followed by distillation
- C) Neutralization with sodium hydroxide followed by distillation
- D) Neutralization with sodium hydroxide followed by filtration
Which of the following organisms is not a social insect?
- A. Termites
- B. Ants
- C. Grasshoppers
- D. Bees
In the diagram below, O is the center of the circle of radius 3.5cm, ∠POQ = 60°. What is the area of the minor sector POQ?
[Take π = 22/7].
.jpg)
- A. 1481/2cm2
- B. 77cm2
- C. 321/12cm2
- D. 65/12cm2