In the Venn diagram above, the shaded portion represents

All of the following are features of a gas exchange surface EXCEPT for:

Which one of the following best compares the eye and a camera?

The sharp-tasting compound in vinegar is:

The active catalyst in a car′s catalytic converter is:

Which of the following nutrients is/are digested in the stomach?

Which of the following methods of fishing is MOST damaging to the eco-system?

Sea breezes result because:

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:

-7 - (-3) =

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 ............

Which of the relations represented below are functions?

Instructions: Select the option A, B, C or D that BEST describe the sentence.

The modern approach to fitness is to adopt a holistic approach: physical, mental and emotional.

Leaves are thin and flat:

Which of the following does NOT play a role in evolutionary change?

A and B had a partnership and shared profits and losses 2/3 and 1/3 respectively. They admitted C to the partnership. In addition to capital, C had to pay goodwill $3,600. How much did A and B receive as their respective share of Goodwill?

In a simple reflex action:

The number of double bonds in a molecule of carbon dioxide is:

All of the following devices are commonly used non-impact printers EXCEPT __________.

We can separate an insoluble solid from a liquid using: