The second most common gas in the atmosphere is:

Which of the following properties of water is not important to the survival of living things?

Which one of the following is NOT a vector quantity?

The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?

Photosynthesis is important because:

The bases and heights of a cylinder and a cone are the same. The volume of the cylinder is V cm³. What is the volume of the cone in cm³ ?

The splitting of a beam of white light into the colours which make it up is called:

The expression a² + b² is equivalent to

A relationship between two organisms where one organism derives benefits from the relationship and the other organism derives no benefit, but is not harmed, is called:

Given ƒ : x -> 3x - 1, and g : x -> x², then ƒg(-2) =

A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and its frequency is 0.5 Hz.The speed of the ripple is:

Two resistors, one of 4 Ω and one of 6 Ω, are connected in parallel.Their combined resistance is:

All of these are used as food additives EXCEPT for:

When focussing on distant objects:

THE ITEM refer to the following dialogue.

Sita: When Marvin was group leader he was always ordering us about.

Paul: Me, I prefer a group leader who allows members to do as they please.

The leadership style of Marvin as described in the dialogue above is.

Which of the following is a prime number?

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

To conceal his true activities, the spy quickly ............ a plausible excuse for his presence there.

$x is divided among three boys, Romon, Deven and Adam, in the ratio 2 : 3 : 7, respectively. If Adam gets $28, what is the value of x ?

A reaction that gives out heat is said to be: