TINGKATAN 4

SOALAN BAHAGIAN B ( MEMPLOTKAN GRAF )QUESTION PART B ( GRAPH PLOTTING )

TOPIC 3 : HEREDITY AND VARITION.

Subtopic : 3.6. Variation

1. Seorang murid menjalankan satu eksperimen untuk mengkaji variasi pada saiz kasut murid kelas 4 Delima. Jadual 1.1 menunjukkan saiz kasut bagi 39 orang murid.

A student conducted an experiment to study the variation of shoe size of 4 Delima students. Table 1.1 shows the shoe size of 39 students.

5 6 7 8 9 5 6 7 8 8 7 7 6 9 5 5 6 6 6 7 6 7

6 7 8 8 7 7 7 8 8 9 8

7 6 7 8 7 7

a). Berdasarkan jadual 1.1, lengkapkan Jadual 1.2. Based on Table 1.1, complete Table 1.2.

Saiz kasutShoe size

5 6 7 8 9

Bilangan muridNumber of students

( 2 markah / 2 marks )

b). Berdasarkan Jadual 1.2, lukis histogram yang menunjukkan bilangan murid melawan saiz kasut.Based on the Table 1.2. draw a histogram to show the number of students against the shoe size.

( 2 markah / 2 marks )

1

c). Nyatakan jenis variasi berdasarkan histogram di 1(b). State the type of variation based on the histogram in 1(b).

__________________________________________________( 1 markah / 1 mark )

2. Kelas 4 Mutiara menjalankan eksperimen untuk mengkaji variasi kumpulan darah dan lekapan cuping telinga. Keputusan yang diperolehi adalah seperti berikut:

The Form 4 Mutiara pupils carried out an experiment to investigate variation in blood groups and ear lobe shape. The results obtained are as follows :

O / BebasO / Free

A / MelekapA / Attached

B / BebasB / Free

AB / BebasAB / Free

O / BebasO / Free

O / BebasO / Free

O / MelekapO / Attached

A / MelekapA / Attached

AB / FreeAB / Bebas

B / BebasB / Free

B / MelekapB / Attached

O / BebasO / Free

A / BebasA / Free

A / MelekapA / Attached

B / MelekapB / Attached

2

2

4

6

8

100

2 4 6 8 100

Sa iz

Ka su t

Bila

ngan

M

urid

JADUAL 2 / Table 2

Berdasarkan Jadual 2, tentukan bilangan murid bagi setiap kumpulan. Lengkapkan Jadual 2.1 dan 2.2.Based on Table 2, determine the number of students in each group. Complete Table 2.1 and 2.2.

Jenis cuping telingaType of ear lobe

BebasFree

MelekapAttached

Bilangan muridNumber of students

Table 2.1

Jenis darahType of blood

O A B AB

Bilangan muridNumber of students

( 2 markah / 2 marks )b). Berdasarkan keputusan dalam Jadual 2.1 dan 2.2 , lukis carta palang yang menunjukkan variasi i). Jenis cuping telinga dan ii). Jenis darah. Based on the result in Table 2.1 and 2.2, draw a bar chart showing the variation i). Type of ear lobe and ii). Type of blood.

( 2 markah / 2 marks)

3

2

4

6

8

100

Jenis cuping telinga

Bilangan murid

Bebas Melekap

( 2 markah / 2 marks )

c). Nyatakan jenis variasi berdasarkan carta palang di 2 (b).State the type of variation based on the bar chart in 2(b).

_______________________________________________( 1 markah / 1 mark )

TOPIC 4 : MATTER AND SUBSTANCE

Subtopic : 4.1 : Analysing Changes in States of Matter

3. Seorang murid telah menjalankan suatu eksperimen makmal untuk menentukan takat didih satu larutan. Suhu larutan itu dicatatkan setiap 2 minit sehingga ia mendidih.Jadual 3 menunjukkan keputusan eksperimen itu.A pupil has conducted a laboratory experiment to determine the boiling point of a solution. T he temperature of the solution is recorded every 2 minites until it boils.Table 3 shows the result of the experiment.

Masa / minitTime / minutes

0 2 4 6 8 10

Suhu / °CTemperature / °C

28 48 68 88 102 102

4

2

4

6

8

100

Bila

ngan

M

urid

O A ABBJenis darah

Jadual 3 / Table 3

a). Berdasarkan Jadual 3, lukiskan graf suhu melawan masa. Based on Table 3, draw a graph of temperature against time.

4 8 10

( 2 markah / 2 marks )b). Apakah hubungan antara suhu larutan itu dengan masa dalam 6 minit pertama?What is the relationship between the temperature of the solution and time in the first 6 minutes?

________________________________________________________________________________________________________________________________________

( 1 markah / 1 mark )

c). Berdasarkan graf di (a), tentukan takat didih larutan itu. Tandakan takat didih itu pada graf.

Based on the graph in (a), determine the boiling point of the solution. Mark the boiling point of the solution on the graph.

5

120

80

Suhu / °C

Masa / minit

Time / minutes

40

____________________________________________________________________

( 1 markah / 1 mark )

TOPIC 5 : ENERGY AND CHEMICAL CHANGES

Subtopic : 5.3 : The Reactivity Series of Metals

4. Rajah 4 menunjukkan suatu eksperimen untuk mengkaji tindak balas antara magnesium dan asid hidroklorik cair. Isipadu gas yang dihasilkan direkodkan bagi setiap minit selama enam minit.Keputusan eksperimen ini direkodkan dalam Jadual 4.1.Diagram 4 shows an experiment to study the reaction between magnesium and dilute hydrochloric acid. The volume of gas produced is recorded every minute for six minutes.The result of this experiment is recorded in Table 4.1.

Masa ( minute)Time

0 1 2 3 4 5 6

Isipadu ( cmᶟ)Volume of gas

0 5 10 15 17 18 18

Jadual 4 / Table 4

Berdasarkan Jadual 4.1, lukis graf isipadu gas melawan masa.Based on Table 4.1, draw a graph of the volume of gas against time.

2 4 6 8 masa / min

6

Isipadu / cm³

5

15

20

10

( 3 markah / 3 marks )

b). Berdasarkan graf di 4(a), nyatakan hubungan antara isipadu gas dengan masa.Based on the graph in 4(a), state the relationship between the volume of gas and time.

_________________________________________________________________

________________________________________________________________( 1 markah / 1 mark )

c). Ramalkan isi padu gas yang dihasilkan pada minit ke – 7.Predict the volume of gas produced at the 7th minute.______________________________________________________________________

( 1 markah / 1 mark )

5. Rajah 5 menunjukkan graf isipadu karbon dioksida yang dihasilkan pada suhu 35°C melawan masa.

Diagram 5 shows the graph of the volume of carbon dioxide produced at temperature 35°C against time.

7

Suhu / Temperature °C

10

30

40

20

5 10 15 20 Masa /minit

a) Apakah hubungan antara isipadu karbon dioksida yang dihasilkan dengan masa ?What is the relatioship between the volume of carbon dioxide produced and time?

___________________________________________________________________

___________________________________________________________________( 1 markah / 1 mark )

b). Ramalkan isi padu gas yang dihasilkan pada minit ke-9.Predict the volume of gas produced at the 9th minute.

____________________________________________________________________ ( 1 markah / 1 mark )

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