CSEC Integrated Science Paper 1 May/June 2023 - Free CXC Past Paper with Answers

Which of the following blood groups has NO antigen?

Which of the following living organisms are always at the beginning of a food chain?

Which of the following structures is found ONLY in plant cells?

The testes of the human male correspond to the anthers of flowers because they both

The structure in cells responsible for the transfer of characteristics from parents to offspring is the

Which of the following methods of birth control is MOST likely to require an accurate prediction of the ovulation period?

Which of the following is an example of prenatal care?

Which of the following statements concerning respiration is true?

Which of the following types of energy conversion takes place in the chloroplast during photosynthesis?

Which of the following is NOT a cardiovascular disease?

Which of the following processes requires muscular contractions of the uterus?

The MOST effective method used in controlling pests is the

The elimination of faeces from the body is called

Which of the following is a function of white blood cells?

The hard outer layer which protects the teeth is called

Blood boosting increases the number of red cells in the blood. An athlete whose blood has been boosted can perform better in a race because he/she

When the human eye is exposed to bright light, the immediate reaction is for the

The heart is protected from damage by the

Which of the following groups comprises ONLY the primary colours of light?

Which of the following are characteristics of sense organs? I. Receive stimuli. II. Contain specialized receptor cells. III. Detect changes in the environment.

Carbon monoxide has an affinity for the haemoglobin in the

Which of the following parts of the ear is/ are concerned with the control of balance?

Which of the following endocrine glands secretes insulin?

Which of the following examples of domestic waste do NOT easily undergo weathering or breakdown by bacteria?

Which of the following factors will NOT affect the rate at which clothes hanging on a line are dried?

Plastic is usually used in electrical plugs because it

Which of the following is the method of heat transfer that occurs in fluids?

The part labelled I is the

The gas from a chemical fire extinguisher is effective in putting out a fire MAINLY by

In which of the following circuits will ONLY Bulb Q light up?

The formula used to calculate the momentum of an object is

Wood is used for the handle of a pot spoon because wood

Which of the following alloys consists of tin and lead?

Which unit of electricity is a measure of resistance?

Steel cans for canning food are coated with tin MAINLY because tin

When the water boils in an electric kettle, the lid bobs up and down. Which of the following indicates the correct sequence of energy changes taking place?

A corrosive substance is one which

When a car has a momentum of 0, it means that the car

A small reading room would be MOST suitably illuminated by using a

Which of the following descriptions correctly match the corresponding classes of levers? I. Effort in the middle — class I II. Load in the middle — class II III. Fulcrum at the end — class III

The point at which a lever turns is called the

Which of the following is an alloy?

The MAIN use of an antiseptic is to

Which of the following is a base?

The force which acts on all bodies in water, causing them to appear to have less weight is called

The boundary formed by the meeting of two air masses is called a

The soil described is MOST likely

Sea water can be made fit for drinking by the process of

Which of the following terms BEST describes P?

Which of the following terms BEST describes R?

There are limits to the height and mass of materials which can be transported by a vehicle. The reason for this is to ensure that the

Which of the following gases, when dissolved in a diver's blood, can give rise to the 'bends'?

Which of the following is LEAST related to the occurrence of a tsunami?

Which of the following is NOT an alternative source of energy?

Which of the following methods of fishing would MOST likely result in over-fishing?

Which of the following processes does NOT occur in the carbon cycle?

Which unique property of water allows small insects and spiders to be able to walk or glide across its surface?

Which of the labelled points on the pencil is closest to its centre of gravity?

In which of the following situations is friction a useful force?