Integrated Science Mock 2019

Question 1 of 50

The correct name of the compound MgO is

Question 2 of 50

The name of the compound formed from calcium and chlorine is

Question 3 of 50

The movement of particles from a region of high concentration to low concentration is

Question 4 of 50

Diffusion is faster at higher temperatures because particles

Question 5 of 50

The device that converts sunlight directly into electricity is a

Question 6 of 50

A solar water heater uses a black collector because black

Question 7 of 50

Batteries in a solar home system are used to

Question 8 of 50

The weight of a 5 kg mass on earth (g = 10 m/s²) is

Question 9 of 50

A resistor in a circuit is used to

Question 10 of 50

Personal protective equipment includes

Question 11 of 50

A chemical splash in the eye should be treated first by

Question 12 of 50

The hazard symbol of a skull and crossbones means the substance is

Question 13 of 50

Regular exercise helps to prevent

Question 14 of 50

Shea butter is extracted from the nuts of the shea tree mainly in

Question 15 of 50

An acid turns blue litmus paper

Question 16 of 50

A base that dissolves in water is called an

Question 17 of 50

The excretory organ that removes urea from the blood is the

Question 18 of 50

The skin excretes

Question 19 of 50

The windpipe is also called the

Question 20 of 50

An object with a density greater than water will

Question 21 of 50

The most commonly used semiconductor material is

Question 22 of 50

Cholera is spread mainly through

Question 23 of 50

The organism that causes malaria is a

Question 24 of 50

Oral rehydration solution is given to treat

Question 25 of 50

Pito is a local beverage brewed mainly from

Question 26 of 50

A solid whose particles are arranged in a regular repeating pattern is

Question 27 of 50

A raisin placed in water swells because of

Question 28 of 50

A plant cell placed in a concentrated salt solution becomes

Question 29 of 50

The device that changes DC from a solar system to AC for home appliances is an

Question 30 of 50

A spring stretches 2 cm with a 4 N load. With a 10 N load (within its limit) it stretches

Question 31 of 50

A light-dependent resistor is used in

Question 32 of 50

The longer leg of an LED is the

Question 33 of 50

Soap is made by boiling oil or fat with

Question 34 of 50

The local process of making gari involves

Question 35 of 50

Toothpaste is slightly alkaline to

Question 36 of 50

The tube that carries urine from the kidney to the bladder is the

Question 37 of 50

Alveoli are well suited for gaseous exchange because they have

Question 38 of 50

During inhalation, the diaphragm

Question 39 of 50

Inhaled air contains about what percentage of oxygen?

Question 40 of 50

An object floats when the upthrust on it is

Question 41 of 50

Archimedes' principle states that the upthrust equals the

Question 42 of 50

A steel ship floats because

Question 43 of 50

Adding impurities to a semiconductor to change its conductivity is

Question 44 of 50

A reflex arc involves sensory neurone, relay neurone and

Question 45 of 50

The gap between two neurones is the

Question 46 of 50

The image formed by a plane mirror is

Question 47 of 50

Short-sightedness is corrected using a

Question 48 of 50

White light is split into colours by a prism because of

Question 49 of 50

A recessive trait shows only when the organism is

Question 50 of 50

A cross between Tt and tt gives tall offspring in the ratio