Past Questions And Answers
Which of the following instruments is NOT used in measuring abiotic factors in any habitat?
- A. microscope
- B. thermometer
- C. hygrometer
- D. windvane
one of the aims of a trade association is to
- A. liaise with other trade associations in other countries
- B. organize trade fairs and exhibitions
- C. provide quality goods and services
- D. promote commercial activities in their business
Which of the following parts of the eye contains light sensitive cells?
- A. Choroid
- B. iris
- C. Retina
- D. Lens
If \(\frac{3^{(1-n)}}{9^{-2n}}=\frac{1}{9}\) find n
- A. \(-\frac{3}{2}\)
- B. \(\frac{1}{3}\)
- C. -1
- D. -3
The fees charged on postal order by the post office is
- A. premium
- B. poundage
- C. interest
- D. brokerage
When a mammal respires anaerobically for a long time
- A. pyruvic acid is convened into acetyl COA
- B. more energy is released from fats in the body
- C. lactic acid accumulates in the muscles
- D. the Krebs cycle is fully completed.
A poet‘s use of regular rhythm is known as _______?
- A. allegory
- B. assonance
- C. metre
- D. onomatopoeia
Sulphur exists in six forms in the solid state. This property is known as?
- A. isomerism
- B. allotropy
- C. isotopy
- D. isomorphism
The payment for direct service is usually made by the
- A. local authority
- B. community
- C. government
- D. individual
(a) A body of mass 5 kg is placed on a smooth plane inclined at an angle 30° to the horizontal. Find the magnitude of the force: (i) acting parallel to the plane (ii) required to keep the body in equilibrium. [Take g = \(10 ms^{-2}\)].
(b) A uniform plank PQ of length 10m and mass m kg rests on two supports A and B, where |PA| = |BQ| = 1m. A load of mass 8 kg is placed on the plank at point C such that |AC| = 3.5 m. If the reaction at B is 100 N, calculate the (i) value of m (ii) reaction at A. [Take g = \(10 ms^{-2}\)].
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