CSEC Integrated Science Paper 1 May/June 2017 - Free CXC Past Paper with Answers

Which diagram represents a liquid?

Which of the following structures is responsible for energy production in an animal?

Items 3-4 refer to the following parts of a flower.

(A) Ovule (B) Ovary (C) Anther (D) Filament

In answering Items 3-4, each option may be used once, more than once or not at all.

Which part of the flower forms the seed after fertilization?

Which part of the flower is the site where male gametes are produced?

Which of the following shapes describes molar teeth?

Which of the following processes is associated with the breakdown of food into simple, soluble molecules?

Which of the following is an example of prenatal care?

Nursing a newborn baby

Immunization of the baby

Providing clothing for the baby

Ultrasound scan for the mother

The release of an egg from the ovary is called

Which of the following statements concerning respiration is true?

Anaerobic respiration produces more energy than aerobic respiration.

Aerobic respiration requires carbon dioxide while anaerobic respiration requires oxygen.

Aerobic respiration requires oxygen while anaerobic respiration does not require oxygen.

Aerobic respiration produces oxygen while anaerobic respiration produces carbon dioxide.

Condoms and diaphragm caps are examples of the method of birth control known as

Which of the following components of blood protects the body by engulfing bacteria?

Item 12 refers to the following diagram of a plant cell.

Which labelled part contains a green pigment called chlorophyll?

Items 13-14 refer to the following diagram of the skeletal system.

The bone labelled X is the

The bone labelled Y is the

Which of the following blood groups does NOT have any antigens?

Which of the following is NOT a cardiovascular disease?

Which of the following are common features of respiratory surfaces? I. Moist II. Small surface area III. Well supplied with blood vessels

Which of the following are significant sources of air pollution? I. Oil spills II. Volcanic eruptions III. Extensive use of cars

Antibodies are important in the human body because they

protect against diseases

help make red blood cells

regulate blood glucose levels

Which hormone is responsible for secondary sexual characteristics in males?

The three small bones found in the middle ear of a human being are called the

By which of the labelled structures in the following diagram are impulses carried to the brain?

Which of the following sequences correctly represents the order of the processes involved in the reproduction and growth of plants?

Fertilization, germination, pollination

Germination, fertilization, pollination

Pollination, fertilization, germination

Pollination, germination, fertilization

Which of the following types of compounds are found in common household chemicals? I. Acids II. Bases III. Salts

Bacteria in the mouth produce acid. Toothpaste that would neutralize the acid should have a pH of

Which method of waste treatment is LEAST harmful to the environment?

In weather systems, which kind of front is formed when there is no replacement of air?

Wet clothes are MOST likely to dry quickly under conditions of

high temperature and high humidity

high temperature and low humidity

low temperature and low humidity

low temperature and high humidity

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

has a mass of zero kilograms

is travelling at a constant velocity

has a velocity of -1.0 metres per second

Which of the following energy conversions takes place during the process of photosynthesis?

Item 31 refers to the following diagram which represents an analogue meter used to measure the amount of electricity used.

What is the reading on the meter?

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

Which of the following will MOST likely reduce energy consumption in the home?

Turn off lights when you leave a room.

Use filament lamps instead of fluorescent bulbs.

Open the oven door regularly when baking a chicken.

Wash small loads of clothes in the washing machine.

The function of a fuse in a circuit is to

reduce the current in the circuit

store current in the circuit for later use

monitor the amount of kWh being used by the device

protect the components in the circuit if the current gets too large

In which of the labelled positions is the effort usually applied?

Which of following formulae is used to calculate the mechanical advantage (MA) of a machine?

MA = $\frac{Effort}{Load}$

MA = $\frac{Load}{Effort}$

Electrical wires are usually coated with plastic or rubber so that they

can be easily installed

are properly insulated

can be easily packaged

are protected from breakage

Which of the following substances MUST be present for rusting to occur?

I. Oxygen II. Water III. Oil

Item 39 refers to the following properties of substances. I. Insulates against both heat and electricity II. Low boiling point III. High melting point

Which of the above are characteristics of MOST non-metals?

Brass is a mixture of

Which of the following forms a suspension in water?

Which solvent would be BEST suited to remove nail polish from fingernails?

A substance, X, has a pH of 2. This means that X is

Hard water is water that

contains a lot of chemicals

does not easily form lather with soap

Items 45–46 refer to the following diagram of the solar system.

Earthworms found living in a compost heap are correctly classified as

Hurricanes are characterized by

Item 49 refers to the following diagram which shows part of a nitrogen cycle.

During which of the processes labelled I, II, III and IV is excretion occurring?

Item 50 refers to the following diagrams which show an experiment to measure the water drainage of clay, loam and sand.

100 cm³ water Soil I Cotton wool Water drained 100 cm³ water Soil II Cotton wool Water drained 100 cm³ water Soil III Cotton wool Water drained

Which of the following statements is MOST likely to be true?

Decayed organic matter in soil is called

The increased pressure encountered by divers at large depths below sea level can affect the

Which method involves the settling of heavy suspended material?

Which method involves the boiling and condensing of water?

Which of the following is NOT a water safety device?

Which of the following is true about sources of energy?

Wind energy is a clean source of energy.

The cost of harnessing solar energy is low.

Wind turbines are quiet and aesthetically pleasing.

Solar power stations produce more energy than fossil fuel power stations.

Which of the following is NOT a fossil fuel?

Caribbean countries which use renewable energy sources MOST likely will utilize energy directly from

Which of the following types of equilibrium is shown in the diagram?

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

Slowing down a bicycle

Children playing on a slide

A wheel turning on an axle

An aircraft moving through the air

CSEC Integrated Science Paper 1 May/June 2017 - Free CXC Past Paper with Answers

CSEC Integrated Science Paper 1 May/June 2017 Questions