Past Questions And Answers
Which of the following best describes the classification of computer?
- A. Mini-computer, speed and size
- B. Micro-computer, cost and abilities
- C. Mini-computer, Micro-computer and work station
- D. Mini-computer , hybrid and digital
What is the product of \(\frac{27}{5}\), \((3)^{-3}\) and (\(\frac{1}{5})^{-1}\)?
- A. 5
- B. 3
- C. 1
- D. 1/25
Which of the following compound is used for removing impurities from bauxite?
- A. NaOH
- B. CaCO3
- C. Na3AIF6
- D. H2SO6
Which of the following statements about the 3rd overtone of a vibrating air column of an open pipe is correct? It has
- A. 4 nodes
- B. 5 nodes
- C. 3 antinodes
- D. 4 antinodes
(a) Explain seven functions of a commercial bank.
(b) Explain three types of accounts that are operated in a commercial bank.
Layer's ration contains more limestone than grower's ration because limestone
- A. is difficult for the growers to digest
- B. stimulates layer's appetite
- C. reduces the acidity in the gut if growers
- D. supplies sufficient minerals to layers for shell formation
Temperature decreases with height in the
- A. stratosphere
- B. troposphere
- C. ionosphere
- D. exosphere
He was diagnosed ____ malaria
- A. of
- B. from
- C. on
- D. with
Copy and complete the following table
| Element | Number of Neutrons | Electronic Configuration | Group in the periodic Table |
| \(^{23}_{11}Na\) | --- | 1s\(^{2}\)2s\(^{2}\)2p\(^{6}\)3s\(^{1}\) | 1 |
| \(^4_2He\) | 2 | ---- | --- |
| ---- | 7 | 1s\(^{2}\)2s\(^{2}\)2p\(^{2}\) | ---- |
In a soil sample, the relative amouunts of the different soil particles can best be determined by the process of
- A. filtration
- B. centrifugation
- C. precipitation
- D. sedimentation