Integrated Science Mock 2022

Question 1 of 50

When light is reflected from a plane mirror, the angle of reflection

Question 2 of 50

A pencil standing in a glass of water looks bent at the surface. This is caused by

Question 3 of 50

Passengers lurch forward when a bus brakes suddenly. This is because of

Question 4 of 50

A runner covers 400 m in 80 s. What is the average speed?

Question 5 of 50

A NOT gate with an input of 0 gives an output of

Question 6 of 50

The passing of traits from parents to their offspring is called

Question 7 of 50

A gene that shows its effect even when only one copy is present is

Question 8 of 50

In humans, the sex chromosomes of a male are

Question 9 of 50

Which of these is a chemical change?

Question 10 of 50

Which method separates salt from salt solution?

Question 11 of 50

The smallest particle of an element that can take part in a chemical reaction is

Question 12 of 50

Which of these is a mixture?

Question 13 of 50

Iron filings can be separated from sulphur powder using

Question 14 of 50

The chemical symbol for potassium is

Question 15 of 50

In the water cycle, water vapour cooling to form clouds is

Question 16 of 50

In the carbon cycle, carbon dioxide is removed from the air mainly by

Question 17 of 50

The stages in the life cycle of a mosquito are

Question 18 of 50

Which organ pumps blood around the body?

Question 19 of 50

Which blood vessels carry blood away from the heart?

Question 20 of 50

Digestion of starch begins in the

Question 21 of 50

Which part of a flower receives pollen?

Question 22 of 50

The function of red blood cells is to

Question 23 of 50

A torch changes chemical energy in its battery into

Question 24 of 50

What is the speed of a car that travels 300 m in 15 s?

Question 25 of 50

Which simple machine is a seesaw?

Question 26 of 50

Pressure is greatest when a force acts on

Question 27 of 50

Which form of energy does a stretched catapult store?

Question 28 of 50

Which is an organic manure?

Question 29 of 50

White light splits into colours when it passes through a prism. This is

Question 30 of 50

A car increases its speed from 10 m/s to 30 m/s in 5 s. What is its acceleration?

Question 31 of 50

A force of 20 N acts on a 4 kg mass. What is the acceleration?

Question 32 of 50

An OR gate gives an output of 1 when

Question 33 of 50

A NAND gate gives an output of 0 only when

Question 34 of 50

An organism's observable characteristics, such as height or eye colour, make up its

Question 35 of 50

Bacteria in the root nodules of legumes convert atmospheric nitrogen into compounds plants can use. This is

Question 36 of 50

Kenkey production involves fermenting maize dough mainly by

Question 37 of 50

25 cm³ of 0.2 mol/dm³ HCl is neutralised by NaOH. The moles of NaOH needed are

Question 38 of 50

A household uses a 2 kW heater for 3 h and five 100 W bulbs for 4 h daily. Daily energy is

Question 39 of 50

In palm-wine fermentation, the gas produced is

Question 40 of 50

When air is passed over heated copper, the copper turns black because it reacts with

Question 41 of 50

A person with damage to the cerebellum would most likely have problems with

Question 42 of 50

The power of a converging lens of focal length 25 cm is

Question 43 of 50

A trolley of mass 2 kg is pulled by a net force of 10 N for 3 s from rest. Its final speed is

Question 44 of 50

Two parents with sickle cell trait (AS) have a child. The probability the child is AS is

Question 45 of 50

The pH of a solution with [H⁺] = 10⁻⁴ mol/dm³ is

Question 46 of 50

Three 12 Ω bulbs are connected in parallel to a 6 V supply. The total current is

Question 47 of 50

A ship of mass 2,000 tonnes floats in sea water (density 1,025 kg/m³). The volume of water it displaces is about

Question 48 of 50

In the experiment where 100 cm³ of air passes over heated copper until no further change, the volume remaining is about

Question 49 of 50

An object 20 cm from a convex lens of focal length 10 cm forms an image

Question 50 of 50

A test cross is used to determine whether an organism showing a dominant trait is