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SPM State Trial Papers Form 4 Chapter 1 - 4 QUESTION 1 - 2015 PULAU PINANG (CHAPTER 1: SCIENTIFIC INVESTIGATION) Diagram 1 shows an experiment to study the purification of copper using copper(ll) chloride solution as an electrolyte. Rajah 1 menunjukkan suatu eksperimen untuk mengkaji penulenan logam kuprum dengan menggunakan larutan kuprum(II) klorida sebagai elektrolit.

The result of this experiment is recorded in Table 1. Keputusan eksperimen ini direkodkan dalam Jaduat 1.

Time (minute) / Masa (minit) 0 2 4 6 8 10

Mass of deposited copper (g) Jisim kuprum terenap (g)

0 0.5 1.0 1.5 2.0 2.5

Table 1 Jadual 1

(a) Based on Table 1, draw a graph of the mass of copper deposited against time. Berdasarkan Jadual 1, lukis graf jisim kuprum terenap melawan masa. [2 marks]

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(b) State the variables in this experiment. Nyatakan pembolehubah datam eksperimen ini.

(i) Manipulated variable: Pembolehubah dimanipulasikan:

(ii) Responding variable: Pembolehubah bergerak balas: [2 marks]

(c) What is the relationship between the mass of copper deposited and time? Apakah hubungan antara jisim kuprum terenap dengan masa? [1 mark] Suggested Answer:

(a)

b) Manipulated: Time taken / Masa diambil Responding: Mass of copper deposited / Jisim kuprum terenap

(c) When time increases, the mass of copper deposited increases // directly proportional Apabila masa bertambah, jisim kuprum terenap bertambah // berkadar terus

QUESTION 2 – 2015 KEDAH (CHAPTER 1: SCIENTIFIC INVESTIGATION) Diagram 1 shows an experiment to purify salt from a saturated common salt solution. Rajah 1 menunjukkan satu eksperimen untuk menulenkan garam daripada tarutan tepu garam biasa.

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The result of the experiment is recorded in Table 1. Keputusan eksperimen ini direkodkan dalam Jadual 1

Time / day Masa / hari

0 1 2 3 4 5 6

Mass of salt crystals Jisim hablur garam / g

0 15 30 …… 41 43 43

Table 1 Jadual 1

(a)(i) Using the data in Table 1, draw the graph of mass of salt crystals against time. Berdasarkan data dalam Jadual 1, lukiskan graf jisim hablur garam melawan masa. [2 marks]

(ii) Based on the graph, state the mass of salt crystals on the third day. Berdasarkan graf, nyatakan jisim hablur garam pada hari ketiga. [2 marks]

(b) What is the relationship between the mass of salt crystals and time in the first two days? Apakah hubungan di antara jisim hablur garam dengan masa dalam dua hari pertama?

[1 mark] (c) Mark (√) which substance can be produced by crystallization. Tandakan (√) bahan yang manakah boleh dihasilkan melalui penghabluran. [1 mark]

Pure ethanol from fermentation of pineapple juice Etanol tulen daripada penapaian jus nanas

Petrol from petroleum Petrol daripada petroleum

Sugar from sugar cane juice Gula daripada jus tebu

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Suggested Answer:

(a)(i)

(a)(ii) 40 + 0.1 (g)

(b) Semakin bertambah/lama masa, semakin bertambah/meningkat jisim hablur garam

(c) Gula daripada jus tebu

QUESTION 3 - 2015 PERLIS (CHAPTER 3: HEREDITY AND VARIATION) 30 students from a secondary school in Perlis organised a trip to a health exhibition at Hospital Besar Kangar, Perlis. At the exhibition, the teacher asks each student to test their Blood Group so that it is easier for them to donate or receive blood during emergency. Seramai 30 orang pelajar sebuah sekolah menegah di Perlis telah mengadakan lawatan ke pameran kesihatan di Hospital Besar Kangar, Perlis. Semasa di pameran tersebut, guru mengarahkan setiap pelajar membuat ujian kumpulan darah bagi tujuan memudahkan menderma atau menerima darah ketika kecemasan. In school, the teacher asks his students to study the characteristics of blood group among students in their class. The results are shown in Diagram 1. Di sekolah guru meminta pelajar untuk mengkaji ciri kumpulan darah di kalangan pelajar dalam kelasnya. Keputusan pemerhatian ditunjukkan dalam Rajah 1.

A B AB O A

O B O B O

B AB A A AB

AB A O B B

B B O AB AB

AB O AB B B

Diagram 1

Rajah 1

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(a) Based on Diagram 1, determine the number of students in each blood group. Complete Table 1. Berdasarkan Rajah 1, tentukan bilangan pelajar bagi setiap kumpulan darah. Lengkapkan Jadual 1.1.

Blood Group Kumpulan Darah

A B AB O

Number of students Bilangan Pelajar ……… ……… ………. ……….

Table 1.1

Jadual 1.1 (b) Based on the result in Table 1.1, draw a bar chart showing the number of students against the characteristic Blood Group. Berdasarkan keputusan dalam Jadual 1.1, lukis carta palang bagi menunjukkan bilangan pelajar malawan ciri kumpulan darah

(c) Predict the type of variation based on the bar chart in 1(b). Ramalkan jenis variasi berdasakan carta palang di 1(b). [1 mark]

(d) In Table 1.2, tick (√) the characteristics which has the same type of variation as in 1(c). Dalam Jadual 1.2, tandakan (√) bagi ciri yang menpunyai jenis variasi yang sama seperti di 1(c).

Body Weight Berat Badan

Type of Earlobes Jenis Cuping Telinga

Length Panjang

Type of Hair Jenis Rambut

Table 1.2 Jadual 1.2

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Suggested Answer:

(a)

(b)

(c) Variasi tak selanjar

(d)

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QUESTION 4 - 2015 KEDAH (MODUL 2) (CHAPTER 3: HEREDITY AND VARIATION) Diagram 6 shows schematic diagram of Albinism. Rajah 6 menunjukkan rajah skema Albinisme.

(a) In Diagram 6, complete the sex genotype in gamete P. Pada Rajah 6, lengkapkan genotip seks dalam gamet P. [1 mark] (b) State process R. Nyatakan proses R. [1 mark] (c) Predict the percentage of Albino male offspring. Ramalkan peratus anak lelaki Albino. [1 mark] (d) State the phenotype for XªXª. Nyatakan fenotip untuk XªXª. [1 mark] (e) State type of mutation for the Albinism. Nyatakam jenis mutasi bagi Albinisms. [1 mark]

(f) Mark (√) in the box provided the characteristics of an Albino. Tandakan (√) pada petak yang disediakan ciri-ciri individu Albino. [1 mark]

Not able to differentiate red and green colour

Tidak dapat membezakan warna rnerah dan hijau

Has white skin and hair Mempunyai kulit dan rambut

yang putih

Blood cannot clot Darah tidak membeku

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Suggested Answer:

(a) Y

(b) Persenyawan

(c) 25%

(d) Perempuan Albino / Albinisme

(e) Mutasi gen

(f)

QUESTION 5 - 2014 JOHOR (CHAPTER 3: HEREDITY AND VARIATION) Diagram 5 below shows the schematic diagram of marriage between a man which is tall and a short woman. T represent the dominant gene for tall while t represent the resessive gene for short. Rajah 5 di bawah menunjukkan rajah skema perkahwinan antara seorang lelaki tinggi dengan seorang perempuan rendah. T mewakili gen dominan untuk tinggi manakala t mewakili gen resesif untuk rendah.

(a) In Diagram 5 above, complete the Q and R. Pada Rajah 5 di atas, lengkapkan Q dan R. [2 marks]

(b) State process B.

Nyatakan proses B. [1 mark]

(c) State the phenotype of offspring R. Nyatakan fenotip bagi anak R. [1 mark]

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(d) Based on Diagram 5 above, state the percentage to get tall offspring. Berdasarkan Rajah 5 di atas, nyatakan peratus untuk mendapat anak tinggi. [1 mark]

(e) The offspring R is cross breed with pure breed short. What are the probability ratio tall to

short offspring? Anak R telah dikacukan dengan baka tulen rendah. Apakah kemungkinan nisbah anak tinggi kepada rendah. [1 mark]

Suggested Answer:

(a) Q: t R: Tt

(b) Fertilisation / Persenyawaan

(c) Tall / Tinggi

(d) 100%

(e) 1 : 1

QUESTION 6 - 2015 PAHANG (CHAPTER 4: MATTER AND SUBSTANCES) Diagram 6.1 shows part of the Periodic Table Rajah 6.1 menunjukkan sebahagian daripada Jadual Berkala.

(a) Name the horizontal columns labeled as X. Namakan lajur-lajur melintang yang dilabelkan X. [1 mark]

(b) How do the elements in the Periodic Table were prepared?

Bagaimanakah unsur-unsur dalam Jadual Berkala disusun? [1 mark]

(c) Which element are: Unsur yang manakah merupakan: (i) Metal: (ii) The biggest proton number:

[2 marks] (d) Diagram 6.2 shows the symbol of an element.

Rajah 6.2 menunjukkan simbol bagi suatu unsur.

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Based on diagram 6.2, complete the following information: Berdasarkan Rajah 6.2, lengkapkan maklumat berikut:

(i) Numbers of electron:

Bilangan electron:

(ii) Numbers of neutron: Bilangan neutron: [2 marks] Suggested Answer:

(a) Kala

(b) Mengikut penambahan nombor proton

(c) (i) M//N//Q (ii) Q

(d) (i) 14 (ii) 14

QUESTION 7 - 2015 MELAKA (CHAPTER 4: MATTER AND SUBSTANCES) Diagram 1 shows an experiment to study the electrical conductivity of three different substances. Rajah 1 menunjukkan satu eksperimen untuk mengkaji kekonduksian elektrik bagi tiga bahan yang berbeza.

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The result of the experiment is shown in Table 1. Keputusan eksperimen ditunjukkan dalam Jadual 1.

Substances Bahan

Deflection of ammeter needle Pesongan jarum ammeter

Solid State Keadaam Pepejal

Molten State Keadaan Leburan

R No

Tidak Yes Ya

S Yes Ya

Yes Ya

T No

Tidak No

Tidak

Table 1 Jadual 1

(a) State the variables in this experiment.

Nyatakan pembolehubah dalam eksperimen ini. (i) Manipulated variable

Pembolehubah dimanipulasikan [1 mark] (ii) Responding variable

Pembolehubah bergerak balas [1 mark]

(b) State one observation in this experiment. Nyatakan satu pemerhatian dalam eksperimen ini. [1 mark]

(c) State one inference for this experiment.

Nyatakan satu inferens bagi eksperimen ini. [1 mark]

(d) Based on Table 1, mark (√) for the ionic substance. Berdasarkan kepada Jadual 1, tandakan (√) bagi bahan ion. [1 mark]

Substance R Bahan R

Substance S Bahan S

Substance T Bahan T

Suggested Answer:

(a)(i) 1. Type of substances Jenis bahan 2. Substance R, S and T Bahan R, S dan T

(a)(ii) 1. Deflection of ammeter needle Pesongan jarum ammeter

2. Electrical conductivity Kekonduksian elektrik

(b) 1. Substance R shows a deflection of ammeter needle in molten state but not in solid state. Bahan R menunjukkan pesongan jarum ammeter dalam keadaan leburan tetapi tidak dalam keadaan pepejal.

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2. Substance S shows a deflection of ammeter needle in solid state and molten state. Bahan S menunjukkan pesongan jarum ammeter dalam keadaan pepejal dan keadaan leburan.

3. Substance T does not show a deflection of ammeter needle in solid state and molten state. Bahan T tidak menunjukkan pesongan jarum ammeter dalam keadaan pepejal dan keadaan teburan.

(c) 1. (Substance R shows a deflection of ammeter needle in molten state but not in solid state because) substance R is an ionic substance / can conduct electricity in molten state (Bahan R menunjukkan pesongan jarum ammeter dalam keadaan leburan tetapi tidak dalam keadaan pepejal kerana) bahan R ialah bahan ion / boleh mengkonduksi elektrik dalam keadaan leburan

2. (Substance S shows a deflection of ammeter needle in solid state and molten state because) substance S is an atomic substance/ can conduct electricity in solid and molten state (Bahan S menunjukkan pesongan jarum ammeter dalam keadaan pepejal dan keadaan leburan kerana) bahan S ialah bahan atom/ boleh mengkonduksi elektrik dalam keadaan pepejal dan leburan

3. (Substance T does not show a deflection of ammeter needle in solid state and molten state because) substance T is a molecular substance/ connot conduct electricity (Bahan T tidak menunjukkan pesongan jarum ammeter da/am keadaan pepejal dan keadaan ieburan kerana) bahan T ialah bahan molekul/tidak boleh mengkonduksi elektrik.

(d)