Which of the following properties of soil determines its water-holding capacity? I. Texture II. pH III. Colour IV. Structure

• A. I and II only
• B. I and IV only
• C. II and III only
• D. III and IV only

Carbon is deposited in the exhaust pipes of cars because of

• A. presence of additives in petrol
• B. incomplete combustion of petrol
• C. presence of carbon in petrol
• D. contamination of petrol with diesel

''....Do not forsake her, and she will keep you; love her, and she will guard you...'' Solomon's statement above is in reference to

• A. intelligence
• B. wife
• C. knowledge
• D. wisdom

Which of the following statements about electric potential energy is not correct?

• A. The electric potential energy of a positively charged particle increases when it moves to a point of higher potential
• B. The electric potential energy of a negatively charged particle increases when it moves to a point of lower potential .
• C. The electric potential energy of a positively charged particle decreases when it moves to a point of higher potential
• D. The work done in taking a charged particle around a closed path in an electric field is zero

Two charged particles are projected into a region where there is a magnetic field perpendicular to their velocities. if the charges are deflected in opposite directions, which of the following statements is true of the charge?

• A. the charge must be of opposite sign
• B. positive charges are more in number
• C. the charges are electrically neutral
• D. the charges are of the same sign

A situation in which all inputs are doubled and output also doubles is known as?

• A. constant proportions
• B. constant returns
• C. increasing returns to scale
• D. constant returns to scale

The process of putting goods in attractive packets to arouse the interest of customers is

• A. collation
• B. wrapping
• C. branding
• D. packaging

Explain how the following factors will affect the demand for a commodity X:

(a) a decrease in the price of a implement Y; [5 marks]

(b) an increase in consumers' disposable income; [5 marks]

(c) a decrease in the apply of a substitute P; [5 marks]

(d) an increase in income tax. [5 marks]

What quantity of electricity will liberate 0.125 mole of oxygen molecules during the electrolysis of dilute sodium chloride solution? [ F = 96 5000 C mol-1 ]

• A. 24 125 coulombs
• B. 48 250 coulombs
• C. 72 375 coulombs
• D. 96 500 coulombs

The question is based on Richard Wright’s Native Son

Bigger kills Mary due to______?

• A. Fear
• B. Hatred
• C. Envy
• D. Distrust