The wall of the left ventricle is thicker than that of the right ventricle because:

A business operates its petty cash on the imprest system. At the beginning of the month the petty cashier was given $20.00 out of which she spent $15.20. How much will she be reimbursed?

Which of the following substances contains the elements carbon, hydrogen, oxygen and nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins

Dividing 9 × 10^-2 by 3 × 10^-8 gives:

The introduction of machines in agriculture results in the unemployment or farm workers.

The type of unemployment these workers suffer is

Removal of forests may cause all of the following EXCEPT

THE ITEM is based on the following statement.

John, Simon and Harry are cousins who live in the same house.

Which of the following terms BEST describes their relationship?

The type of polymerisation used to make polythene is called:

To which category of software does Microsoft Works belong?

All gas exchange surfaces in vertebrate animals have:

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

There is hardly a point to our knocking as no one is not at home.

What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?

The following diagram shows a model used to show how breathing movements take place:

Which part of the model represents the diaphragm?

All of the following are possible consequences of global warming EXCEPT for:

Which of the following relations is represented by the graph shown above?

THE ITEM refer to the following family functions.

The family produces children and maintains the population.

When we are too hot, more blood flows through the capillaries near the surface of the skin. This helps us to cool down because the blood loses heat by:

Which of the following would DISCOURAGE emigration?

The decimal equivalent of ³/₈ is

A girl whose weight is 250 N walks up a slope 40 m long onto a platform 3 m high. Her gain in gravitational potential energy is: