Past Questions And Answers
A pure solid usually melts?
- A. over a wide range of temperature
- B. over a narrow range of temperature
- C. at a lower temperature than the impure one
- D. at the same temperature as the impure one
Which of the following factors does not influence the distribution of cattle in West Africa?
- A. pastures
- B. light
- C. diseases
- D. rainfall
Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different concentrations. If all the marble chips reacted; which of the following remained the same in each case?
- A. Average rate of evoluton of gas
- B. Total mass of gas evolved during the reaction
- C. Time taken for the reaction to reach completion
- D. Initial reaction rates
In the Islamic belief system, the opposite of Tawhid is
- A. Qadar
- B. Qada
- C. Shirk
- D. Shukr.
Seven metrical feet in a line of a stanza is
- A. hexametre
- B. heptametre
- C. septet
- D. triolet
Stunted growth and poor root development are a result of a deficiency in
- A. sulpur
- B. phosphorus
- C. calcium
- D. iron
Two vectors m and n are defined by \(m = 3i + 4j\) and \(n = 2i - j\). Find the angle between m and n.
- A. 97.9°
- B. 79.7°
- C. 63.4°
- D. 36.4°
In an open economy, the GNP is measured as_____________?
- A. C + 1 + G(X-M)
- B. C + 1 + G
- C. C + 1 + G + X
- D. C + 1 + G + M
Two functions f and g are defined on the set of real numbers by \(f : x \to x^{2} + 1\) and \(g : x \to x - 2\). Find f o g.
- A. \(x^{2} + 4x - 5\)
- B. \(x^{2} - 4x + 5\)
- C. \(x^{2} - 1\)
- D. \(x - 1\)
crude oil spillage on a river can be dispersed by spraying the water with
- A. disinfectant
- B. kerosene
- C. Ammonia
- D. detergent