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国外(物理生物)试题18

2022-03-28 来源:爱问旅游网
2016. S25

Coimisiún na Scrúduithe Stáit State Examinations Commission

JUNIOR CERTIFICATE EXAMINATION, 2016

SCIENCE – ORDINARY LEVEL

THURSDAY, 16 JUNE – MORNING, 9.30 to 11.30

INSTRUCTIONS

1. Write your examination number in the box provided on this page. 2. Answer all questions. 3. Answer the questions in the spaces provided in this booklet. If you require extra

space, there is a blank page provided at the back of this booklet. 4. The use of the Formulae and Tables booklet approved for use in the State

Examinations is permitted. A copy may be obtained from the examination superintendent.

Page 1 of 20

Centre Number

Examination Number

For examiner use only Section / Question Mark

Biology

Q.1 (52) Q.2 (39) Q.3 (39)

Chemistry

Q.4 (52) Q.5 (39)

Q.6 (39) Physics

Q.7 (52)

Q.8 (39) Q.9 (39)

Total (Paper)

Bonus for Irish Grand Total (Paper) (390)

Coursework A (60)

Coursework B (150) Grand Total (600)

Biology Question 1 (a) (i) In the table write the letter B beside the type of animal that has a backbone. Vertebrate Invertebrate (52) For

examiner use only

(1) (2) (ii) Name an animal that has a backbone. ______________________________________ (b) Underline two cell structures in the list below that are found in both plant cells and animal cells. Nucleus Cell Wall Cytoplasm Cell membrane (c) This is a food chain from a woodland habitat. Grass Rabbit Fox (i) Name the producer in this food chain. _____________________________________ (ii) Name a consumer in this food chain. ______________________________________ (d) Starch is a type of carbohydrate found in food. (i) Name one food that contains a lot of starch. __________________________________________ (ii) Iodine solution is used to test food for the presence of starch. Iodine solution has a red-brown colour. What colour does iodine turn when added to starch? _________________________________________ Page 2 of 20 (e) Both of the pieces of equipment shown are used to capture animals in a habitat. Select from the list below the name of each and write it in the space provided. quadrat pooter pit-fall trap beating tray For examiner use only

(1) (2) Name (i) Name (ii) (f) (i) State one function of the human skeleton. _____________________________________________ (ii) Name the part labelled A. ________________________ (g) The eye is one of the five sense organs in humans. Name two other sense organs. The diagram shows the upper part of the human skeleton. A

1. _______________________________________ 2. _______________________________________ (h) (i) Draw a line from the letter X to the eyepiece. (ii) Draw a line from the letter Y to the stage. (iii) What is the function of a microscope? ___________________________________________ ___________________________________________ (7 × 6 + 1 × 10) Page 3 of 20 The diagram shows a microscope that can be used in the laboratory. X

Y

For

Question 2 (39) examiner

use only

(a) The diagram shows the human digestive system. (21)

(1) (2) (i) In the table write the letter A beside the name of the part labelled A. (ii) Write the letter B beside the name of the part labelled B. (iii) Write the letter C beside the name of the part labelled C. B A

C

Oesophagus Stomach Small intestine (iv) State one function of the stomach. ____________________________________________________________________ (v) Name the type of tooth labelled T in the diagram.  ______________________________________ T

(vi) State the function of this type of tooth. ______________________________________ Page 4 of 20 (b) The diagram shows the four chambers of the human heart. (18) For

examiner Y X

Left ventricle

(i) What is the function of the human heart? ____________________________________________________________________ (ii) Write the letter X beside the name of the chamber Right ventricle labelled X. Right atrium Write the letter Y beside the name of the chamber Left atrium labelled Y. (iii) Describe one way to help keep your heart healthy. ____________________________________________________________________ ____________________________________________________________________ (iv) Choose the correct words from the list in the box to complete the sentences below. Oxygen is carried by ___________________________ . Red blood cells White blood cells Blood clots are formed by _______________________ . Platelets Page 5 of 20 use only

(1) (2) Question 3 (a) The diagram shows the parts of a flower. (39) (21) For

examiner use only

Petal

Stamen

Carpel

Sepal (i) Is the flower used for sexual or asexual reproduction? ____________________________________________________________________ (ii) Choose the correct label from the diagram above to complete the sentences below. The _________________________ makes the pollen. The _________________________ makes the egg cell. (iii) Describe one way that pollen can be transferred from one flower to another. ____________________________________________________________________ ____________________________________________________________________ (iv) Seeds were placed on dry cotton wool in a container and then left in a warm room. Do you think the seeds in the container germinated? ____________________________________________ Give a reason for your answer. ____________________________________________ ____________________________________________ ____________________________________________ Seeds on dry cotton wool Page 6 of 20 (1) (2) (b) Two experiments were set up to investigate the movement of water in plants. (18) For

examiner use only

(1) (2) (i) Name the part of a plant that absorbs water from the soil. ______________________ In the first experiment a seedling was placed into a beaker as shown in the diagram and left for a few days.  (ii) What happened to the level of the water in the beaker after a few days? ____________________________________________________________________ (iii) What is the purpose of the layer of oil on the surface of the water? ____________________________________________________________________ In the second experiment a well-watered plant was wrapped in a transparent plastic bag as shown in the diagram and left for 24 hours.  (iv) Is the loss of water from a plant called transpiration or fertilisation? (v) From which part of a plant is most water lost? _______________________________ (vi) What would you expect to see on the inside of the bag after 24 hours? ____________________________________________________________________ Page 7 of 20 Oil Water

Transparent plastic bag

____________________________________________________________________ Chemistry Question 4 (a) (i) In the table write the letter B beside the type of bond formed when atoms share pairs of electrons. (ii) Write the letter C beside the charge of an electron. (b) The picture shows a student working in a science laboratory. Write down two safety precautions that should be taken when working in a laboratory.   1. __________________________________________ For examiner use only

(52)

(1) (2) Ionic Covalent Positive Negative ____________________________________________ 2. __________________________________________ ____________________________________________ (c) A student is given a dish containing a mixture of sulfur powder and iron filings. The iron filings are grey. (i) What colour is the sulfur powder? ________________________________________ (ii) Describe how the student could separate the iron filings from the sulfur powder. ____________________________________________________________________ ____________________________________________________________________ (d) Select the correct words from the box on the right to complete the sentences below. Melts Evaporates Condenses Freezes (i) A wet towel dries as water _________________________ from it. (ii) Water vapour ____________________ into water droplets when it hits a cold mirror. Page 8 of 20 (e) The presence of water can be shown using either cobalt chloride or anhydrous copper sulfate. Chose one of these chemicals and state its colour when dry and its colour when wet. Chemical Colour when dry Colour when wet (f) (i) Name the separation technique shown in the diagram. _______________________________________________ (ii) Give an example of a mixture that could be separated using this technique. _______________________________________________ (g) The diagram shows the decomposition of water (H2O) X Y by electrolysis. (i) In the table write the letter X beside the gas collected at X. (ii) Write the letter Y beside the gas collected at Y. Oxygen Hydrogen Nitrogen (h) An investigation was carried out to examine the solubility of sugar in water. The graph shows the solubility of sugar in water as temperature rises. (i) Does the solubility of sugar increase or decrease as temperature rises? ___________________________________ (ii) Is water the solvent or the solute in the solution? yti ___________________________________ libul (iii) Name a substance, other than sugar, that oS dissolves in water. ___________________________________ Temperature (7 × 6 + 1 × 10)

Page 9 of 20 For examiner use only

(1) (2) For

Question 5 (39) examiner

use only

(a) Water is treated to make it safe to drink. (12)

(1) (2) Four of the main processes involved in water treatment are: Filtration Sedimentation (Settling) Chlorination Screening Match the correct word from the list above with its description in the table below. Process Description Wire meshes remove floating objects from the water Water is left in large tanks and heavy particles sink to the bottom Sand and gravel beds are used to remove small particles Chlorine is added to the water (b) (i) What is the chemical symbol for zinc? ____________________________________ (ii) Name the gas released when zinc reacts with hydrochloric acid. ____________________________________________________________________ When zinc is placed in hydrochloric acid a chemical reaction releases a gas. (6) Page 10 of 20 (c) Carbon dioxide is made in the laboratory as shown in the diagram. (21) For examiner use only

Liquid L Solid S Carbon dioxide

(i) In the table write the letter L beside the liquid L Hydrochloric acid that is used to make carbon dioxide. Water (ii) Write the letter S beside the solid S that is used to Sodium chloride make carbon dioxide. Calcium carbonate (iii) Is carbon dioxide a mixture or a compound? ________________________________ (iv) Limewater is used to show that the gas made is carbon dioxide. Describe the change seen in limewater when carbon dioxide is added to it. ____________________________________________________________________ ____________________________________________________________________ (v) A beaker of carbon dioxide is held over a lighted candle. Describe what happens to the flame. _______________________________________ _______________________________________ _______________________________________ (vi) State one use of carbon dioxide. ____________________________________________________________________ Page 11 of 20 (1) (2) Question 6 (a) (i) Name an indicator or an instrument used in the laboratory to measure pH. Vinegar

Distilled

water

Ammonia solution

A number of solutions were tested in the laboratory to find their pH values. The chart below shows the data collected. (39) For examiner use only

(1) (2) (15) ____________________________________________________________________ (ii) Describe how the indicator or the instrument is used to find the pH of a solution. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ (iii) Use the correct words from the box on the right to complete the sentences below. (b) Fossil fuels are sources of hydrocarbons. (9) (i) In the table write the letter F beside the two elements that are found in hydrocarbons. (ii) Name one fossil fuel. Hydrogen Lithium Nitrogen Carbon The distilled water is _________________________________. The vinegar is ______________________________________. The ammonia solution is ______________________________. Acidic Basic Neutral ____________________________________________________________________ Page 12 of 20 (c) A student set up the test tubes as shown below to investigate rusting. (15)

For examiner A

B

C

Oil

Iron nail Painted in water

Iron nail in iron nail water that in water

was boiled and cooled

(i) Nitrogen and oxygen are the gases that make up most of the air. Which of these gases is needed for rusting to take place?

_________________________________________________________________

(ii) What is the purpose of the layer of oil in test tube B?

____________________________________________________________________ ____________________________________________________________________

(iii) Will the nail in test tube C rust?

____________________________________________________________________

Explain your answer.

____________________________________________________________________ ____________________________________________________________________

Page 13 of 20

use only

(1) (2) Physics Question 7 (52) (a) A plastic spoon and a metal spoon were placed in a mug of hot water.  (i) Which spoon will feel hottest after two minutes? _________________________________________________ (ii) Explain your answer. ____________________________________________________________________ (b) Biomass is a renewable source of energy. Name two other renewable sources of energy. 1. _______________________________ 2. ________________________________ (c) The diagram shows the inside of a three-pin plug. B

(i) Which wire A, B or C is the live wire? _____________ (ii) Describe one safety feature of a plug. A _____________________________________________ _____________________________________________ C

(d) The diagram shows an electrical circuit. (i) Name a material which will allow the bulb to light when that material is placed between the crocodile Bulb

clips and the switch is closed.  _________________________________________ (ii) Explain your answer. _________________________________________ Crocodile

clips

_________________________________________ Page 14 of 20 For

examiner use only

(1) (2) (e) (i) Name the force that pulls objects towards Earth. ________________________________________________ (ii) Is the unit of force the newton or the watt? ________________________________________________ (f) The diagrams show charged rods placed beside each other. A B (i) In which diagram, A or B, will the rods repel each other? ______________________ (ii) In which diagram, A or B, will the rods attract each other? _____________________ (g) (i) A balloon is hanging near a loudspeaker as shown. The balloon moves when the loudspeaker is turned on. What does this tell us about sound?____________________________________________ (ii) Name one precaution that should be taken when working in a noisy area. ____________________________________________ (h) The diagram shows how white light is dispersed into a spectrum of colours using a triangular shaped piece of equipment, X. (i) Name X. ________________ (ii) Name a suitable material from which X could be made. White

X

light

________________________ (iii) Name one colour seen in the spectrum. ____________________________________ (7  6 + 1  10) Page 15 of 20 For examiner use only

(1) (2) For examiner use only Question 8 (39) (a) To calculate the density of a stone we must know its mass and its volume. (18)

(1) (2) (i) Name an instrument used to measure the mass of a stone. ______________________ Labelled diagram (ii) Describe how to find the volume of a stone. A labelled diagram may help your answer. ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ (iii) The mass of a stone is 60 g and its volume is 20 cm3. Write the letter X beside the unit of measurement for density. In the table write the letter D beside the density of the stone. 80 3 g/cm3 J Page 16 of 20 (b)

A man runs along a track. The total distance he has run since he started is measured every two seconds. The data collected is shown in the table below.

Time (s) 0 2 4 6 8 Distance (m) 0 20 40 60 80 For

examiner use only

(21)

(1) (2) (i) Use the data in the table to draw a graph of distance (y-axis) against time (x-axis)

using the grid below. ) m( ecna tsiD

Time (s)

(ii) Use the graph to estimate the distance the man had run after five seconds.

____________________________________________________________________

(iii) Calculate the speed of the man in m/s.

____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________

Page 17 of 20

For

Question 9 (39) examiner

use only

(a) A student carried out two investigations in the laboratory to examine the effect of heating and cooling liquids. (12)

(1) (2) (i) What happens to the level of liquid in the tube when the flask is heated for a few minutes? _____________________________________ _____________________________________ (ii) What does this tell us about the effect of heat on liquids? _____________________________________ _____________________________________ (iii) A thermometer is moved from a beaker of warm water into a beaker of cold water. What happens to the level of the liquid in the thermometer? ____________________________________________ ____________________________________________ (iv) What does this tell us about the effect of cooling on liquids? Level of liquid

____________________________________________________________________ ____________________________________________________________________ (b) Use the words in the box on the right to complete the statements below about energy conversions. (12) (i) When a Bunsen burner is in use ______________ energy is converted into ______________ energy. (ii) During the day a solar panel converts ______________ energy into ______________ energy. Page 18 of 20 Light Chemical Heat Electrical (c) A student carried out an experiment to show that light travels in straight lines. For examiner Some of the equipment used in the experiment is shown below. (15) Source of light

(i) What could be used as a source of light? ____________________________________________________________________ (ii) Describe how the student could ensure the holes in the three pieces of cardboard are in line with each other. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ (iii) How could the three pieces of cardboard be kept in place? ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ (iv) Why should the experiment be carried out in a darkened room? ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Page 19 of 20 use only

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EXTRA WORK SPACE

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Page 20 of 20

For examiner use only

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