Under conditions of perfect competition, a firm's supply curve is determined by its?

• A. total cost curve
• B. marginal cost curve
• C. variable cost curve
• D. fixed cost curve

Malthus' contention is that

• A. population increase in arithmetic progression while food production increased in geometric progression
• B. population increased in geometric progression while food production increased in arithmetic progression
• C. population and food growth rate will, in future, be at par
• D. nations have to get enough manpower to cultivate available land for food

Evaluate x²(x² - 1)^{-\(\frac{1}{2}\)} - (x² - 1)^{\(\frac{1}{2}\)}

• A. (x² - 1)^{-\(\frac{1}{2}\)}
• B. (x² - 1)¹
• C. (x² - 1)
• D. (x² - 1)^-1

The most important soil microorganism which are effective decomposers of wood in forest areas are

• A. earthworm
• B. wood beetles
• C. termites
• D. algea

The hyphal wall of fungi is rigid owing to the

• A. cell wall
• B. lignin
• C. cellulose
• D. chitin

By which of the following did Jesus best prove in Bethany that he was ‘the resurrection and life?

• A. it was there that he first showed himself after his resurrection
• B. he raised Lazarus from the dead, thus proven that believers who die will yet live
• C. he emphasized in his teaching, that believers will never die
• D. he deliberately delayed his arrival to allow Lazarus to die first

Which of the following was NOT a feature of colonial administration in Nigera?

• A. forced labour
• B. low prices for exports
• C. taxes on the population
• D. education levy

The New Partnership for Africa's Development was mainly promoted by

• A. Kenya,South Africa and Senegal
• B. Nigeria,Senegal and South Africa
• C. Ghana,Sierra Leone and Nigeria
• D. Tanzania,Burkina Faso and Egypt

A wheel and axle have radii 80cm and 10cm respectively. If the efficiency of the machine is 0.85, an applied force of 1200N to the wheel will raise a load of

• A. 8.0N
• B. 6.8N
• C. 8160N
• D. 9600N

A gas which obeys Charles’ law exactly has a volume of 283cm³ at 10°C. What is its volume at 30°C?

• A. 142cm³
• B. 293cm³
• C. 303cm³
• D. 566cm³