Modul Hikmah 9

8/8/2019 Modul Hikmah 9

1/12

HIKMAH MODULE

86

SCIENCE SPM

MODULE 9

PAPER 1

1. The role of denitrifying bacteria is to changeA. nitrate to proteinB. protein to nitrateC. ammonium to nitrateD. ammonium compound to nitrate compound

2. Health problem which not related to unbalanced diet isA. anorexiaB. malnutritionC. obesityD. arteriosclerosis

3. Which of the following is true about bacteria in root nodule of the legume?A. change nitrogen gas in the atmosphere to nitrateB. change ammonium to nitriteC. change nitrite to nitrateD. change nitrate to nitrite

4. Which of the following illnesses is related to unhealthy eating habit?A. insomniaB. migraineC. arteriosclerosisD. osteoporosis

5. The table below shows the calorific value of three class of food.

Calorific value(kJ/g) Classes of food

P Fats

24.3 Carbohydrate

Q Protein

What is value of P and Q?

P QA. 18.6 38.6B. 36.4 77.2C. 38.6 18.2D. 77.2 36.4


2/12

HIKMAH MODULE

87

6. Which of these elements required by plants is a micronutrient?A. BoronB. CalciumC. PotassiumD. Magnesium

7. What is meant by balanced diet?A. the food taken by individual according to his appetiteB. the food that can help and individual to resist diseaseC. the food that contains sufficient proportion of all classes of foodD. the food that provides energy to maintain an individuals physical activities

8. The table shows the calorific values of three types of food.

Food Calorific value/kJ g-1

Bread 10.12

Hard-boiled egg 6.59

Milk 2.68

A pupil takes 20g of bread, 10 g of hard-boiled egg and 100g of milk for hisbreakfast. What is the total energy consumed

A. 0.85kJB. 19.39kJ

C. 193.90kJD. 536.30kJ

9. Which statement describes a plant as a producer?A. the dead plant is decomposedB. the plant is a source of food for the animalsC. the plant released oxygen during photosynthesisD. The plants grow healthier with sufficient nutrient.

10. The excessive intake of saturated fats can harm our health because they are

A. do not dissolve in waterB. are solids at room temperatureC. cause high cholesterolD. act as solvent for certain vitamins


3/12

HIKMAH MODULE

88

PAPER 2SECTION A + B

Class of food Example of food Calorific value (kJ)

Carbohydrate 1200

Meat 300

Fat Oil 300

1. Table above shows the daily intake of calorie of a man.

a. Complete the table

b. How much calorie does the man gain in one day

c. i. Name one disease that the man would probably get if he continuouslyadopts the above daily intake of calorie

ii. Explain your answer.

iii. Suggest one way to avoid the disease in (c) (i)


4/12

HIKMAH MODULE

89

Group A Group B

Sulphur Iron

Phosphorus Boron

Calcium Zinc

Table 2

2. Table 2 shows the essential minerals for plant growth.a. Name the group A and B in Table 2

b. Give one effect of deficiency on plant growth for minerals

i. Phosphorus

ii. Iron

c. Suggest one way to overcome the effect of deficiency for minerals I (b) (i) and(b) ( ii)

d. Give another example of Group A


5/12

HIKMAH MODULE

90

3. Diagram 1 shows the structure of an artery a 40 year old man.

Diagram 1

a. What type of food is taken excessively by the man?

b. State two type of disease that may be suffered by the man if he continues takethe food in ( a )

i.

ii.

c. State two advantages of keeping a good eating habit.

i.

ii.


6/12

HIKMAH MODULE

91

4. Figure 2 shows part of the nitrogen cycle.

Figure 2

a. Name substance X in figure 2

b. What are the microorganism involved in process K and L

K:

L:

c. Where do the bacteria involved in process K live

d. What fertilizer can be added into soils to increase nitrogen content in soil?


7/12

HIKMAH MODULE

92

5. Figure 3 shows an unhealthy plant

Figure 3

a. State the meaning of the following terms

i. Macronutrient.

ii. Micronutrient

b. The deficiency of nutrient X causes the effects on the plant shown in figure 3.

i. what is nutrient X

ii. state two major function of nutrient X

iii. List two other macro nutrient


8/12

HIKMAH MODULE

93

6. Figure 4 shows the calorie requirement for different individuals

Figure 4

a. Based on figure 4 state two factors which effect the calorie requirement ofindividual.

i.

ii.

b.i. Which individual has the highest calorie requirement?

ii. Explain why the individual state in (b) ( i ) needs the highest amount ofenergy.

c. Why does an old man need very little energy?


9/12

HIKMAH MODULE

94

7. Figure 5 shows the green leaf of plant exposed to the sunlight during the day.

Figure 5

a. What is the process taking place in the green parts of the leaf?

b. Name the following gases:

i. gas X :

ii. gas Y :

c. Write the word equation for the process shown above

d. What is the function of chlorophyll?

e. What is the function of the sun light in this process?


10/12

HIKMAH MODULE

95

SECTION C

You are given four solutions, Knops culture solution, culture solution without nitrogenand culture solution.

a. Suggest one hypothesis to investigate the statement.

b. Explain one experiment to test the hypothesis based on thefollowing criteria.

i. Aim of experimentii. Identify the variables

iii. Apparatus and materialiv. Methodv. Tabulation of data

Mineral element and essential nutrient are needed for healthy growth of

plants and they will maintain the fertility of the soil


11/12

HIKMAH MODULE

96

MODULE 9 - ANSWERS

PAPER 1

1. A 2. A 3. A 4. A 5. A 6. A 7. C 8. D 9. B 10. B

PAPER 2SECTION A + B

1.a. rice/protein.b.12600c.diabetes

excessive intake of carbohydrate can cause the increase in blood sugar levelreduce intake of sugar and carbohydrate

2.a. macronutrient/micronutrientb. retard growth/retard root growth .ii) clorosis/yellow leaf

c. use chemical/organic fertilizerd. magnesium/potassium/nitrogen

3.a. fat/animal fatb. stroke/heart attack/c. exercise frequentlyd. to maintain body health/for proper growth and development of the body/to supply theproper amount of nutrient to the body.

4.a. nitrites

b. K: nitrogen fixing bacteria, L : denitrifying bacteriac. in the root nodules of legumes plant.d. ammonium nitrate/ammonium sulphate

5. a.i. mineral which are needed by plant in large amountii. mineral which are needed by plant in small amount

b.i. nitrogenii. to synthesis proteins/to make chlorophylliii. carbon/calcium/magnesium/potassium

6. a. i. physical activity.ii. ageb. i. labourer ii. A lot of energy is needed for a labourer to ferfom physical work.c. an old man has low metabolism rate/less physical activity.

7.a. photosynthesisb. carbon dioxide; oxygenc. carbon dioxide + water sunlight glucose + oxygend. to absorb sunlighte. to break the water molecule


12/12

HIKMAH MODULE

97

SECTION C

Hypothesis The growth of plants will be affected when the plants lack nutrientslike nitrogen and potassium

Aim To study the requirement of nitrogen and potassium for plantsgrowth.

Variables Manipulated ; type of solutionResponding ; colour of leaves, size of leavesConstant : size of seedling/type of seedling

Apparatus andmaterial

Test-tubes, cotton wool, black paper, Knop solution, culture solutionwithout nitrogen, culture solution without potassium.

Methods

a. three test-tubes with maize seedling are prepared andlabeled U, V and W .

b. test-tubes are filled as shown in the diagram

c. all the set-up are left for several days

Tabulation of dataTest tube Deficiency

of nutrientThe effects ofdeficiency

U NoneV Nitrogen

W potassium

Modul Hikmah 9

Documents

Transcript of Modul Hikmah 9