Which one of the following is correct. When we digest our food:

Absolute zero is:

The blood cells that engulf invading microorganisms are:

When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and:

The correct equation for photosynthesis is:

THE ITEM refers to the following illustration.

The pattern where many persons make the same decision as the young man in the picture is refered to as

Enzymes are called biological catalysts because they:

The optimum temperature for enzyme action is:

Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

An attack on someone when that person is most vulnerable may be ............ but is always ............

If US$1.00 is equivalent to EC$2.68, how much in US$ would one get for EC$100?

The number 2549 written to 2 significant figures is

A molecule of ethene can be described as all of these EXCEPT for:

When large molecules are broken down into smaller ones it is called:

Reactive metals such as potassium react with water to give hydrogen and:

Which of the following is the MAIN reason for conflict in trade sometimes arising between CARICOM countries?

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

Had they not been forewarned, they might have joined the queue, not knowing that gas was not on sale at that station.

0.045 × 10^-3 in scientific notation is

A dynamo connected to a circuit is being turned.Which one of the following would NOT generate a greater e.m.f.?

The point where two neurones connect is called:

Which one of the following statements about a voltmeter is NOT true?