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:

In the Venn diagram above, the shaded portion represents

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.

Paul′s statement indicates that he prefers a leader with a style that is

In an ecosystem a population is:

Dividing the mass in grams by the mass of 1 mole in grams gives:

Vegetables like cauliflower, cabbage and broccoli have been bred from the original wild brassica plant by:

The major plant nutrients written as NPK refer to phosphorus, nitrogen and:

In a school of 910 pupils, ³/₇ are boys and ²/₅ of the boys wear glasses. How many boys wear glasses?

The energy used in thermal decomposition is:

The number of kilos in 1 metric tonne is:

When a metal wire carries an electric current, charges flow through it.The moving charges are:

All of these are used as food additives EXCEPT for:

1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:

The speed of an ink-jet printer is measured by the number of __________ it can print.

A force of 100 N starts to act on a body of mass 20 kg which is initially at rest. After 10 s its velocity will be:

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

When a person who has diabetes injects himself with insulin it:

Asexual reproduction produces:

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

Photosynthesis is important because: