With iodine, starch changes colour to:

2(5 - x) - 3(x - 6) =

How many subsets does the set {a, b, c, d, e} have?

Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus

Which of the following would MOST likely result from women working outside the home?

1. Improvement in the standard of living
2. Higher self-esteem for women
3. Fewer educational opportunities for men
4. Fall in family values

Which of the following is the Highest Common Factor of 18, 24 and 36?

The biceps and triceps are an antagonistic pair of muscles because:

A loudspeaker emits a steady note.A girl sings a note which is of lower pitch but higher volume. The sound wave she is producing has:

In the circle above, the circumference is 20 cm. The length of the arc AB, in centimetres, is

The expression a² + b² is equivalent to

To which category of software does Microsoft Works belong?

Instructions: Choose the one NEAREST in MEANING to the original sentence.

If students' efforts are rewarded they would be encouraged to work harder.

Which one of the following taxonomic groups contains the greatest number of organisms?

The number of atoms in a diatomic molecule is:

Active transport:

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

She was not feeling well at the beginning of the journey, and sitting at the front of the car made her feel worse.

The following statements describe the molecules in a gas at around room temperature. Which one is NOT true?

In which of the following countries is proportional representation practised?

Oxidation can include all of these EXCEPT for:

One example of an emulsifying agent is: