Three lights flash at intervals of 2, 6 and 14 seconds respectively. They are started together. How soon after will they next flash together again?

The two common varieties of chlorine atoms are called:

Urea is made from surplus proteins in:

The width of a block of wood with rectangular cross-section is x cm. Its height is ²/₃ its width and its length is 4 times its height. What is its volume in cm³?

To make cell walls, plants must have:

Water passes out of leaves through the:

The group of elements whose molecules and atoms are the same is called:

A collection of several tissues which carry out a particular function is called:

The number 32747 written to 4 significant figures is

How many grams are in 2.5 kilograms?

The statements refer to a fuse. Which one is true?

The Item refer to the information below The following scores were obtained by eleven footballers in a goal-shoot competition:

The median score was

One Faraday represents:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

She paid meticulous attention to her work as she attached the beads to the costume.

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

The main parts of the human circulatory system are:

The halogen, bromine, at room temperature is a:

An alternate form of a gene is called an:

Which one of the following statements about light passing down an optical glass fibre is NOT true?

0.0039 × 10^-2 in scientific notation is