Past Questions And Answers
Which of the following natural resources is non-renewable?
- A. Soil
- B. Vegetation
- C. Wildlife
- D. Minerals
Under which of the following conditions do gases conduct electricity?
- A) Low presssure and low p.d
- B) low pressure and high p.d
- C) high pressure an low p.d
- D) high pressure and high p.d
Pure silicon can be converted to a p-type by adding a controlled amount of
- A. trivalent atoms
- B. tetravalent atoms
- C. pentavalent atoms
- D. hexavalent atoms
The diagram below represents the graph of the force F applied in stretching a spiral spring against the corresponding extension (X). The force constant of the spring is

- A) 20 N/m
- B) 40 N/m
- C) 30 N/m
- D) 10 N/m
The number of atoms in 1.2g of carbon-12 isotope is
- A. 1.00 x 1022
- B. 6.02 x 1022
- C. 1.20 x 1023
- D. 1.00 x 1023
Agricultural production in West Africa can be improved by the following except
- A. ability of farmers to purchase mofern farm implements
- B. expansive irrigation of farmlands
- C. adoption and proper application of tested findings of agricultural research
- D. continued adoption of the communal land holdig system
Which of the following does not contribute to the biomass in an ecosystem?
- A) producer
- B) food chain
- C) consumer
- D)Nmicro-organisms
I. Coherence II. Same frequency III. Same wavelength IV. Same Intensity
Which of the conditions above are necessary to produce interference fringes?
- A. I and III
- B. I, II and IV
- C. I, II and III
- D. II and III
Use the following information to answer the question below. Given the following:<br> Debtors as at 1st March: ?40,000<br> Creditors as at 1st March:?55,000<br> Cash received from debtors during the month: ?250,000<br> Cash paid to creditors during the month: ?180,000<br> Debtors as at 31st March: ?60,000<br> Creditors as at 31st March: ?35,000<br> What is the purchases figure for the month of March?
- A) ?35,000
- B) ?160,000
- C) ?211,500
- D) ?215,000
Educated elite did not like the system of Indirect Rule in Nigeria because it
- A. did not make provisions for them
- B. was exploitative and cumbersome
- C. made traditional rulers too powerful
- D. was undemocratic and oppressive

