Which one of these four statements is NOT true?

The length of an insect such as a grasshopper increases in steps.This is because:

Which of the following items is not a component of a graphical user interface?

The perimeter of a rectangle is 26 cm. The rectangle is converted to a square by tripling the width and taking a quarter of the length. What is the perimeter of the resulting square?

The only common gas that turns moist red litmus paper blue is:

A spring is 100 mm long when unstretched. A 40 N load is hung from it, and its total length increases to 120 mm. A different load on the spring causes it to become 150 mm long. If the spring obeys Hooke′s Law, this second load is:

Enzymes catalyse specific reactions by having an active site where the substrate fits.This theory is called:

Which of the following is a prime number?

g/dm³ are units of:

In terms of mass, compared to a proton, an electron:

Democratic control and open members are features of a

The number of electrons shared in a single covalent bond is:

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

She was not feeling well at the beginning of the journey, and sitting at the front of the car made her feel worse.

Ammonia gas spreads out faster than hydrogen chloride, showing that it is:

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

A species of mouse has 32 chromosomes in its muscle cells.What will be the numbers of chromosomes in the mouse′s skin cells and sperm cells?

An enzyme which has an optimum pH of 3 will function best in the:

Water is lost from the body in:

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