The importance of practising crop rotation in agriculture is to

• A. maintain soil fertility
• B. improve the nutritional value of crops
• C. control soil erosion
• D. ensure the growth of crops

The acacia tree is commonly found in the

• A. coniferous forest
• B. mediterranean lands
• C. savannah lands
• D. mangroove forest

The presence of the fourth person in the fiery furnace convinced Nebuchadnezzar that the

• A. Jews had many gods to save them
• B. Jews were magicians
• C. three Jews were angelic beings
• D. only God worthy of worship is Yahweh

The element of marketing mix that involves creating awareness for goods is

• A. price
• B. place
• C. product
• D. promotion

(a) i) An organic compound X contains 40% carbon, 6.67% hydrogen, the rest being oxygen. If X has a relative molecular mass of 60, determine its

(i) empirical formula (ii) molecular formula. [H = 1 ; C = 12; O = 16]

(b) An alkanoic acid Y has a relative molecular mass of 74.

(i) State the functional group of Y

(ii) What t of reaction is involved when Y is converted to an alkanoate?

(iii) Determine the structural formula of Y.

(iv) Write an equation for the reaction between Y and sodium

(v) If X in (a) above boils at 118°C and belongs to the same homologous series as Y, state with reason, whether the boiling point of Y will be equal to, higher or lower than 118°C.

(c)(i) What is fermentation?

(ii) Write an equation for the fermentation of glucose.

(iii) What must be added to glucose solution to make it ferment?

(iv) Explain why a tightly corked grass bottle filled to the brim with fresh palm wine shatters on standing.

The process of buying, selling and distribution of goods and services is

• A. retail trade
• B. commerce
• C. marketing
• D. marketing concept

The acronym PLC is used to identify a?

• A. company limited by shares
• B. private company limited by shares
• C. public company limited by shares
• D. company limited by guarantee

A product that is brought frequently on impulse at lower price is

• A. convenience goods
• B. speciality goods
• C. unsought goods
• D. industrial goods

What will happen on the Day of Judgment according to Q.101:4?

• A. Mountains will discharge fire
• B. Mountains will be like carded wool
• C. Fire of Jahannam will be seen
• D. None of the above

On cracking medicinal paraffin, a gas is evolved which gives a pop sound with a lighted splinter and an oily liquid which decolourizes bromine solution is also obtained. The products of the cracking are ?

• A. carbon (IV) oxide and alkyne
• B. carbon (ll) oxide and alkene
• C. hydrogen gas and alkene
• D. hydrogen gas and alkane