All the following are forms of subsistence farming in west Africa except

• A. rotational bush farming
• B. permanent cultivation
• C. plantation agriculture
• D. mixed farming

A chamber of commerce normally consists of

• A. officials of the trade unions of commercial workers
• B. all the people engaged in one aspect of trading and manufacturing
• C. all the workers in one branch of commerce
• D. the people who represent a cross-section of business interests in a town

From the words lettered A to D, choose the word that best completes each of the following sentences.

The murder suspect denied the grave allegations against him but the evidence so far has.............him

• A. corroborated
• B. impeached
• C. convicted
• D. implicated

Find the equation whose roots are \(\frac{2}{3}and \frac{-1}{4}\)

• A. \(12x^2-5x-2=0\)
• B. \(12x^2-11x+2=0\)
• C. \(x^2-\frac{11}{12}x+2=0\)
• D. \(x^2+\frac{11}{12}x-2=0\)

Instruction: Choose the word opposite in meaning to the underlined words.Answer all the questions.

The economy that was once buoyant is now......

• A. bleak
• B. gloomy
• C. unfavourable
• D. depressed

In the venn diagram, the shaded region is

• A. (P ∩ Q) ∪ R
• B. (P ∩ Q) ∩ R
• C. (P ∩ Q') ∩ R
• D. (P ∩ Q') ∪ R

The diagram below represents the displacement-time graph of the motion of an object thrown upwards. The velocity of the object at the point P is

• A. maximum
• B. uniform
• C. zero
• D. terminal

A particle of charge q and mass m moving with a velocity v enters a uniform magnetic field b in the direction of the field. The force on the particle is

• A. qvB
• B. mqvB/m
• C. mvB/q
• D. O

The following issues are some of the challenges the United Nations (UN) addresses except

• A. oligarchical regimes
• B. humanitarian aids
• C. human rights
• D. climate change

A binary operation * is defined on the set of real numbers, by \(a * b = \frac{a}{b} + \frac{b}{a}\). If \((\sqrt{x} + 1) * (\sqrt{x} - 1) = 4\), find the value of x.

• A. 6
• B. 5
• C. 4
• D. 3