SMK TAMAN MOUNT AUSTINJOHOR BAHRU, JOHOR

UJIAN PENILAIAN KURIKULUM 1SCIENCE FORM 2

1 HOUR

Nama : ______________________________ Class: ______________

OBJECTIVE QUESTION (30 MARKS)Each question is followed by four choices of answer. Choose the best answer for each question

1. Based on the table above, what are represented by X and Y?Berdasarkan jadual di atas, apakah yang mewakili X dan Y?A.   

B.   

C.   

D.   

2. Which of the following enables us to detect and respond to the stimuli?Antara berikut manakah yang boleh mengesan dan bertindakanbalas terhadap rangsangan?A. Effectors

EfektorB. Nervous system

Sistem SarafC. Receptors

Deria

D. BrainOtak

3. Aminah is eating a bowl of hot laksa. The senses used to detect the laksa in his mouth areAminah sedang makan semangkuk laksa panas. Deria yang digunakan untuk mengesan laksa di dalam mulut ialah

I. TasteRasa

II. SmellBau

III. TouchSentuh

A. I and II onlyB. I and III onlyC. II and III onlyD. I, II and III

4. Which of these areas of the skin has the most number of receptors?Manakah antara kawasan kulit berikut mempunyai deria yang paling banyak?

A. FingertipsHujung jari

B. CheekPipi

C. Back of the handBelakang tangan

D. Elbow

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Siku

5. Why is it that a person with a cold is not able to smell good food?Mengapakah orang demam tidak boleh menghidu makanan dengan baik?

A. Bacteria attack the sensory cells in the nose.Bakteria menyerang sel deria di dalam hidung

B. The brain cannot interpret the impulses when a person has cold.Otak tidak dapat mentafsir impuls bila demam

C. A lot of dust will enter the nose when a person has a coldTerlalu banyak habuk masuk ke dalam hidung bila demam.

D. The thick mucus produced blocks the sensory cells and prevents the chemical vapour to stimulate the sensory cells.Mukus tebal yang terhasil menghalang sel deria dan mencegah wap kimia untuk merangsang sel deria.

6. Why are certain foods not detected by the taste receptors?Mengapakah makanan tertentu tidak dapat mengesan deria rasa?

A. The foods cannot dissolve in the saliva.Makanan tidak boleh larut di dalam air liur

B. The foods are too hotMakanan terlalu panas

C. The foods are not really cookedMakanan tidak masak

D. The foods are not fresh.Makanan tidak segar

7. Which of these animals have the strongest sense of hearing?Binatang manakah yang mempunyai deria pendengaran yang paling kuat?

A. BirdsBurung

B. DolphinsIkan lumba-lumba

C. DogAnjing

D. HumansManusia

8. All the following devices are created to overcome the limitations of hearing, exceptSemua peranti berikut dicipta untuk mengatasi had pendengaran kecuali

A. C.

B. D.

9. Which of the following sensory organs can detect touch, pain and pressure?Manakah antara organ deria berikut yang boleh mengesan rasa, sakit dan tekanan?

A. EyesMata

B. NoseHidung

C. EarsTelinga

D. SkinKulit

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Diagram 1

10. Diagram 1 shows the areas of the tongue which are sensitive towards a certain taste. A student tastes vinegar solution with his tongue. Among the areas labelled K, L, M and N, which will be stimulated?Rajah 1 menunjukkan kawasan lidah yang sensitive kepada rasa tertentu. Seorang pelajar merasa larutan cuka dengan lidahnya. Antara kawasan yang berlabel K, L, M dan N yang manakah akan terangsang?

A. K C. MB. L D. N

11. Diagram 2 shows a section through part of a human head containing sensory organRajah 2 menunjukkan keratan rentas kepala manusia yang mengandungi organ deria

Diagram 2

Which of the parts labelled A, B, C or D is a sensory cell?Manakah antara bahagian yang dilabel A, B, C and D adalah sel deria?

12. Diagram 3 shows the path of an impulse after a stimulus is received by the skinRajah 3 menunjukkan laluan impuls selepas menerima rangsangan daripada kulit

Diagram 3

13. Diagram 4 shows a change in size of the pupilRajah 4 menunjukkan perubahan saiz anak mata

Diagram 4

Which of the following action will cause this change?Manakah antara perbuatan berikut menyebabkan perubahan ini?

A. Reading a book in a dark roomMembaca buku di bilik gelap

B. Entering a darkroom from a bright roomMasuk ke bilik gelap dari bilik terang

C. Taking off sun glasses in a bright placeMenanggalkan cermin mata di tempat terang terang.

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Pupil

StimulusRangsangan

X NerveSaraf

YNerveSaraf

Z

X Y ZA Brain

OtakEffectorEfektor

ReceptorDeria

B ReceptorDeria

EffectorEfektor

BrainOtak

C BrainOtak

ReceptorDeria

EffectorEfektor

D ReceptorDeria

BrainOtak

EffectorEfektor

D. Looking at a distance object after looking at a near objectMelihat objek yang jauh selepas melihat objek yang dekat

14. What is the factor that influenced the skin's sensitivity to a stimulus?Apakah faktor yang mempengaruhi kepekaan kulit terhadap rangsangan?

A. The type of stimulantJenis rangsangan

B. The thickness of its fat layerKetebalan lapisan lemak

C. The thickness of the dermisKetebalan dermis

D. The large number of receptorsBilangan deria yang yang banyak

15. Where are the receptors can be found in the skin?Di manakah deria boleh ditemui di dalam kulit?

A. in the dermisdi dalam dermis

B. in the fat tissuedi dalam lemak tisu

C. In the epidermisDi dalam epidermis

D. Besides the sweat glandsDi sebelah kelenjar peluh

16. Which sense does a blind person use to read Braille books?Apakah jenis deria yang digunakan oleh orang buta untuk membaca buku Braille?

A. Sense of sightDeria penglihatan

B. Sense of touchDeria sentuh

C. Sense of smellDeria bau

D. Sense of hearingDeria pendengaran

17. Which of the following are structures contain fluids?Manakah antara struktur berikut mengandungi bendalir?

A. EardrumGegendang telinga

B. CochleaKoklea

C. Eustachian tubeTiub Eustachio

D. Oval windowTingkap bujur

18. Which of the following are the functions of the skin?Manakah antara berikut fungsi kulit?

I. it protects the body tissuesmelindungi tisu badan

II. it is sensitive to touch, pain and temperaturesensitif terhadap sentuhan, kesakitan dan suhu

III. it helps to control our body temperaturemenolong mengawal suhu badan kita

A. I and II onlyB. II and III onlyC. I and III onlyD. I, II and III

19. Why dogs are always used to detect drugs in the airport?Mengapakah anjing selalu digunakan untuk mengesan dadah di lapangan terbang?

A. Dogs can taste drugsAnjing boleh merasa dadah

B. Dogs always obey their master

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Anjing mematuhi arahan tuannya

C. Drugs are not harmful to the dogsDadah tidak membahayakan anjing

D. Dogs have a very sensitive sense of smellAnjing mempunyai deria bau yang sangat kuat.

20. Why the sense of taste of a person suffering from flu is less sensitive?Mengapakah deria rasa manusia yang selsema kurang peka?

A. the taste bud cells are damagedsel tunas rasa tercedera

B. chemicals cannot be detected by smell receptorsbahan kimia tidak boleh dikesan oleh deria bau

C. the nasal hairs are unable to detect the smell of foodbulu rongga tidak boleh mengesan bau makanan

D. the sense of taste is more sensitive than the sense of smellderia rasa lebih peka dari deria bau

21. Which is the special feature in the nose which makes the detection of smell more efficient?Manakah sifat di dalam hidung yang membuatkan pengesanan bau lebih berkesan?

A. Bigger nasal passages Rongga hidung yang besar

B. Mucus which is very diluteMukus sangat cair

C. Nasal passages covered with hairRongga hidung ditutup dengan bulu hidung

D. Nasal passages coated with mucusRongga hidung disalut oleh mukus

22. Which of these parts protects the front of the eye?Antara berikut yang manakah melindungi mata hadapan?

A. EyelidKelopak mata

B. ScleraSklera

C. ChoroidKoroid

D. EyebrowKening

Diagram 5

23. Diagram 5 shows the structure of the human ear. Which part that helps us maintains our sense of balance?Rajah 5 menunjukkan struktur telinga manusia. Antara bahagian berikut yang manakah membantu menyeimbangkan deria kita?

A. L C. NB. M D. O

Diagram 6

24. Diagram 6 shows the vertical section of the human eye. Which part of the eye controls the size of the pupil?Rajah 6 menunjukkan keratin rentas mata manusia. Bahagian

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manakah yang mengawal saiz anak mata?

25. The sense of sight enables us to gather all these information exceptDeria penglihatan membolehkan kita mengumpul semua maklumat berikut kecuali

A. shape of objectsbentuk objek

B. colour of objectswarna objek

C. position of objectskedudukan objek

D. temperature of objectssuhu objek

Diagram 7

26. Diagram 7 shows a diagram of an experiment. What does line AB in the diagram?Rajah 7 menunjukkan rajah dalam satu eksperimen. Apakah garisan AB?A. refracted ray

Sinar biasanB. diffracted ray

Sinar belauanC. incident ray

sinar tujuD. reflected ray

sinar pantulan

27. What are the characteristics of the image that formed in a plane mirror?Apakah sifat imej yang terhasil daripada cermin satah?

I. VirtualMaya

II. Laterally invertedSongsang sisi

III. Smaller than the objectLebih kecil dari objek

A. I and II onlyB. I and III onlyC. II and III onlyD. I, II and III

28. Which of these is the characteristic of the inner most layer of the eyeball?Manakah sifat lapisan paling dalam di dalam bebola mata?

A. Contains black pigmentMengandungi pigmen hitam

B. Made of strong musclesDibuat dari otot yang kuat

C. Has millions of photoreceptorsMempunyai beribu fotoreseptor

D. TransparentLutsinar

Diagram 8

29. Figure 8 shows the vertical section of the human eye. Where the image of an object falls on the figure above if a person can see?Rajah 8 menunjukkan keratan rentas mata manusia. Di manakah imej akan terhasil dalam rajah di atas jika manusia itu boleh melihat?

A. P C. RB. Q D. S

30. The following information shows a type of response of a plant due to a stimulus.

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Maklumat di bawah menunjukkan jenis gerak balas tumbuhan terhadap rangsangan.

Which of the following is the response?

Manakah antara berikut adalah tindakbalas tersebut?

A. GeotropismGeotropisma

B. PhototropismFototropisma

C. ThigmotropismTigmotropisma

D. HydrotropismHidrotropisma

STRUCTURED QUESTION (20 MARKS)Answer all the following questions.

1. Diagram 1 shows the structures of the human skin. Rajah 1 menunjukkan struktur kulit manusia

DIAGRAM 1

(a) On Diagram 1, label the structures P, R and S using the following words Dalam Rajah 1, labelkan struktur P, R dan S menggunakan perkatan berikut

Pressure receptorsDeria tekanan

Touch receptorDeria sentuhan

Pain receptorsDeria sakit

P: _______________________________Q: _______________________________R: _______________________________

[3 marks]

(b) State one function of the skin. Nyatakan fungsi kulit. _____________________________________

[1 mark]

(c) What are the two factors that influence the sensitivity of the skin? Nyatakan dua factor yang mempengaruhi kulit yang sensitif?

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- shoot grows away from the stimuluspucuk tumbuh menjauhi rangsangagn

- enables the plant to obtain water and mineralsmembolehkan tumbuhan mendapatkan air dan mineral

- roots grow towards gravitational attractionakar tumbuh ke arah tarikan graviti

Ear lope Auditory nerve Cochlea Cuping telinga Saraf auditori Koklea

Eustachian tube

Ossicles

c)

a)

b)

i. __________________________________ii. __________________________________

[2 marks]

2. a) Label the diagram below to identify the structure of the human ear using the words given. Labelkan rajah di bawah untuk mengenalpasti struktur telinga manusia menggunakan perkatan yang diberikan.

(3 marks)

b) Identify the parts of the ear with the correct functions using the words given below to explain the functions of the different parts of the ear.Kenalpasti bahagian telinga dengan fungsinya menggunakan perkataan yang diberikan di bawah untuk menerangkan fungsi-fungsi bahagian telinga.

Part of EarBahagian telinga

FunctionFungsi

Directs sound wave to the eardrum.Mengarahkan gelombang bunyi ke gegendang telinga

Vibrates with the same frequency of the sound.Bergetar dengan frekuensi bunyi yang sama

Send impulses to the brain.Menghantar impuls ke otak

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Eustachian tube Auditory nerves Eardrum Ear canalTiub Eustacio Saraf auditori Gegendang telinga Saluran telinga

Diagram A Diagram B

Diagram P

Light from near object

Diagram Q

Light from distant/far object

Equalises the air pressure on both sides of the eardrum.Menyamakan tekanan udara ke atas kedua-dua belah gegendang telinga

(4 marks)

3. a) The diagrams below show two properties of light. Complete the statements below to describe the properties of light.Rajah di bawah menunjukkan dua sifat cahaya. Lengkapkan kenyataan di bawah untuk menerangkan sifat cahaya.

a. Diagram A:When light hits the surface of an opaque object (plane mirror), light will beBila cahaya terkena permukaan objek (cermin satah), cahaya akan

____________________.

b. Diagram B:When light passes through a transparent object (glass block), light will beBila cahaya melepasi objek lutsinar (bongkah kaca), cahaya akan

_________________________.(2 marks)

b) The diagrams below show two types of vision defects. Name the types of vision defects.Rajah di bawah menunjukkan dua jenis kecacatan penglihatan. Namakan jenis-jenis kecacatan berikut.

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i.The vision defect in Diagram P is called ______________________ vision.Kecacatan di Rajah P dipanggil disebut ______________________

ii.The vision defect in Diagram Q is called ______________________ vision.Kecacatan di Rajah Q disebut _____________________

(2 marks)

4. Draw lines to match the following devices with its correct uses to overcome the limitation of sight.

Padankan peranti yang digunakan untuk mengatasi had penglihatan berikut dengan betul

a) A microscope is used to observe tiny and minute objects like microorganisms and cells.Mikroskop digunakan untuk memerhati objek yang kecil dan halus seperti mikroorganisma dan sel

b)A telescope is used to observe very far and distant object like the moon.Teleskop digunakan untuk memerhati objek yang sangat jauh seperti bulan

c)

A magnifying glass is used to observe very small objects like small insectKanta pembesar digunakan untuk memerhati objek yang sangat kecil seperti serangga kecil.

(3 marks)

Prepared by: Checked by:

...................................... ......................................(Noor Liyana binti Kamarudin) (Azizah binti Ab Aziz)Guru Sains Tingkatan 2, Guru Kanan Sains & Matematik,SMK Taman Mount Austin. SMK Taman Mount Austin.

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