Which two planets lie between the sun and the earth?

• A. venus and mars
• B. venus and jupiter
• C. mercury and venus
• D. mercury and satum

The octane number of a fuel whose performance is the same as that of a mixture of 55 g of 2,2,4- trimethly pentane and 45 g of n-heptane is ?

• A. 45
• B. 55
• C. 80
• D. 100

Leaching is the

• A. Accumulation of soil mineral in one layer of soil
• B. Washing down of soil nutrients
• C. Erosion of soil from steep slopes
• D. Loss of soil moisture

Which of the following factors decreases the rate of evaporation of a liquid?

• A. increase in pressure over the liquid
• B. lowering the boiling point
• C. decreasing in humidity
• D. wind

An arc of a circle subtends an angle of 30° on the circumference of a circle of radius 21cm. Find the length of the arc.

• A. 11cm
• B. 22cm
• C. 44cm
• D. 66cm

The annual rainfall along the coast is less than expected in the equitorial region because of the

• A. presence of a cold current
• B. configuration of the coastline
• C. high altitude of the area
• D. subsidence of air masses

A situation where only 35% of 80 million registered voters participated in a general election, is an indication of political

• A. instability
• B. exclusiveness
• C. apathy
• D. socialization

Which of the following would be used when goods are sent through independent carriers?

• A. Delivery note
• B. Despatch note
• C. Consignment note
• D. Advice note

Access to water and kinship ties can lead to?

• A. nucleated settlements
• B. ribbon settlements
• C. loose-knit settlements
• D. dispersed settlements

The employer's demand curve for labour is represented by the

• A. marginal product curve of labour
• B. total product curve of labour
• C. average product curve of labour
• D. total cost curve of labour