soalan sains tingkatan 1 pt3

UJIAN BERTULIS

NAMA:

ANGKA GILIRAN:

SMK CHUNG HUA

Arahan

1. Kertas ini boleh dibuka

2. Tulis nama

3. Tulis jawapan anda di

kertas soalan ini.

4. Serahkan

akhir peperiksaan.

Nama Pemeriksa:

Soalan Markah

Penuh

1

2

3

4

5

6

7

UJIAN BERTULIS 2 jam

…………………………………………………………………………

ANGKA GILIRAN:

Kertas ini boleh dibuka apabila diberitahu.

nama dan angka giliran anda di ruang yang disediakan.

Tulis jawapan anda di ruang jawapan yang disediakan

kertas soalan ini.

Serahkan kertas soalan ini kepada pengawas peperiksaan pada

akhir peperiksaan.

Kegunaan Pemeriksa

Nama Pemeriksa:

Markah

Penuh

Markah

Diperoleh Soalan

Markah

Penuh

Markah

Diperoleh

6 8 6

6 9 6

6 10 6

6 11 10

6 12 10

6 13 10

6 14 10

Jumlah

2 jam

…………………………………………………………………………

anda di ruang yang disediakan.

ruang jawapan yang disediakan dalam

kertas soalan ini kepada pengawas peperiksaan pada

Markah

Diperoleh

Jawab semua soalan.

Answer all the questions.

1 The diagram below shows some measuring tools.

Rajah di bawahmenunjukkanbeberapaalatpengukuran.

K L M

(a) Match the measuring tools with their names.

Padankanalatpengukuran di atasdengannamanya.

[3 marks]

[3 markah]

Measuring tools

Alatpengukuran Names

Nama

Triple beam balance

Neracatigaalur

Internal calipers

Angkupdalam

(i) K

(ii) L

(iii) M

Spring balance

Neraca spring

(b) Identify the measuring tools based on the following statements.

Kenalpastialatpengukuranberdasarkanpernyataan yang berikut.

(i) This tool is used to measure the weight of an

Alatinidigunakanuntukmengukurberatobjek.

(ii) This tool is used to measure the mass of an

Alatinidigunakanuntukmengukurjisimobjek.

(iii) This tool is used to measure the internal

an object.

Alatinidigunakanuntukmengukur diameter

objek.

2 (a) Puan Salina is preparing food in the kitchen. Write the states of matter of each

substance by using the following words.

Puan Salina sedang menyediakan makanan di dapur. Tuliskan keadaan jirim bagi setiap bahan

menggunakan perkataan yang berikut.

(b) Puan Salina stand at the front of her children in the living

taken for the smell of the cooking to reach her children.

Solid

Pepejal

curry

kari

vapour

wap

Identify the measuring tools based on the following statements.

Kenalpastialatpengukuranberdasarkanpernyataan yang berikut.

d to measure the weight of an object.

Alatinidigunakanuntukmengukurberatobjek.

used to measure the mass of an object.

Alatinidigunakanuntukmengukurjisimobjek.

used to measure the internal diameter of

gunakanuntukmengukur diameter dalam

Puan Salina is preparing food in the kitchen. Write the states of matter of each

substance by using the following words.


menggunakan perkataan yang berikut.

Puan Salina stand at the front of her children in the living-room.The table below shows the

taken for the smell of the cooking to reach her children.

Liquid Gas

Cecair Gas

pot

periuk

[3 marks]

[3 markah]

Puan Salina is preparing food in the kitchen. Write the states of matter of each


[3 marks]

[3 markah]

room.The table below shows the time

Puan Salina berdiri di hadapan anak

menunjukkan masa yang diambil untuk bau masakan itu sampai kepada anak

Children

Anak

Time taken

Masa yang diambil untuk bau masakan itu sampai

Johan

Kamal

Lukman

Complete the diagram below by writing the names of the children in the spaces provided to

their positions.

Lengkapkan rajah di bawah dengan menulis nama mereka

menunjukkan kedudukan anak-anaknya

3 (a) Rahmah buys a bottle of perfume as shown in the diagram below.

Write solid, liquid or gas to label each part of the matter in the bottle.

Rahmah membeli sebotol minyak wangi seperti rajah di bawah.

Puan Salina berdiri di hadapan anak-anaknya yang berada di ruang tamu. Jadual di bawah

menunjukkan masa yang diambil untuk bau masakan itu sampai kepada anak-anaknya

Time taken for the smell smell of the cooking to

reach her children (s)

Masa yang diambil untuk bau masakan itu sampai

kepada anak-anaknya (s)

12

18

7

Complete the diagram below by writing the names of the children in the spaces provided to

Lengkapkan rajah di bawah dengan menulis nama mereka di ruang yang disediakan untuk

anaknya.

Rahmah buys a bottle of perfume as shown in the diagram below.

to label each part of the matter in the bottle.

Rahmah membeli sebotol minyak wangi seperti rajah di bawah.

anaknya yang berada di ruang tamu. Jadual di bawah

anaknya.

Complete the diagram below by writing the names of the children in the spaces provided to show

di ruang yang disediakan untuk

[3 marks]

[3 markah]

Tulis pepejal, cecair atau gas untuk melabelkan se

(b) Rahmah sprays perfume in the direction of her housemates, Hidayah, Najwa and Azlina.

The table below shows the time taken for the perfume to be smelt by her three friends

who are standing in front of her at different distances away from her.

Rahmah menyembur minyak wangi itu ke arah rakan serumahnya, iatu Hidayah, Najwa dan

Azlina. Jadual di bawah menunjukkan masa yang diambil untuk minyak wangi

oleh rakannya yang berada di hadapannya pada jarak yang berlainan

Housemates

Rakan

Hidayah

Najwa

Azlina

Complete the table below by writing the names of her friends in the spaces provided to indicate

their positions from Rahmah.

Lengkapkan rajah di bawah dengan nama rakan dalam ruangan yang disediakan untuk

menunjukkan kedudukannya dengan Rahmah.

(i)

(ii)

(iii)

untuk melabelkan setiap jirim dalam botol itu.

Rahmah sprays perfume in the direction of her housemates, Hidayah, Najwa and Azlina.


who are standing in front of her at different distances away from her.


Azlina. Jadual di bawah menunjukkan masa yang diambil untuk minyak wangi

oleh rakannya yang berada di hadapannya pada jarak yang berlainan.

Distances from

Rahmah

Jarak daripada rahmah

Time taken for the perfume to

be smelt

Masa yang diambil untuk

minyak wangi itu dapat dihidu

(s)

1 metre 25

500 cm 8

750 cm 15



menunjukkan kedudukannya dengan Rahmah.

sprayer

penyembur

perfume tube

salur minyak wangi

perfume

minyak wangi

[3 marks]

[3 markah]

Rahmah sprays perfume in the direction of her housemates, Hidayah, Najwa and Azlina.



Azlina. Jadual di bawah menunjukkan masa yang diambil untuk minyak wangi itu dapat dihidu

Time taken for the perfume to

Masa yang diambil untuk

minyak wangi itu dapat dihidu



perfume tube

salur minyak wangi

minyak wangi

Rahmah (i) __________ (ii) __________ (iii) __________

[3 marks]

[3 markah]

4 (a) (i) The diagram below shows a phenomenon that occurs in coastal areas.

Put a tick ( � ) the correct direction of the convection current and a cross ( ✗ ) the wrong

direction of the convection current.

Rajah di bawahmenunjukkansatufenomena yang berlaku di kawasanpantai.

Tandakan( �)bagiaraharusperolakanyang betuldan(✗ )bagiaraharusperolakan

yangsalah.

[2 mark]

[2 markah]

(ii) The heat transfer occurs in a sea breeze. Are the processes of conduction, convection or

radiation occurin the formation of sea breeze? Write Yes or No in the boxes provided.

Pengaliranhababerlakudalambayulaut.Adakahproses konduksi, perolakanatausinaran

berlakudalampembentukanbayulaut?TulisYaatauTidakdalampetak yang disediakan.

Conduction

Konduksi

Convection

Perolakan

Radiation

Sinaran

sea

laut

Sun

Matahari

land

darat

[3 marks]

[3 markah]

(b) The diagram below shows the land breeze that takes place during night time.

Rajah di bawahmenunjukkanbayudarat yang berlakupadawaktumalam.

Write True or False for the following statements based on the diagram shown above.

TulisBenaratauPalsubagipernyataanberikutberdasarkan rajah di atas.

(i) At P, the sea is warmer than the land and the warm air over the

ocean rises.

Di P, lautlebihpanasdaripadadaratdanudarapanas di ataslaut

naikkeatas.

(ii) At Q, the land gets warm faster than the sea and the warm air flows

out from land to sea.

Di Q, daratmenjadipanaslebihcepatdaripadalautdanudara

panasdaridaratbergerakkearahlaut.

[1 mark]

[1 markah]

5 (a) The table below shows two body fluids and their pH and effects on litmus paper.

Jadual di bawahmenunjukkanduabendalirbadandanpH sertakesannyakeataskertas litmus.

Body fluid

Bendalirbadan pH

Red litmus paper

Kertas litmus merah

Blue litmus paper

Kertas litmus biru

A 7.2 Turns blue

Bertukarbiru

No change

Tiadaperubahan

B 2.0 No change

Tiadaperubahan

Turns red

Bertukarmerah

The diagram below shows the human digestive system.

Rajah di bawahmenunjukkansistempencernaanmanusia.

land

darat

sea

laut

Moon

Bulan

P Q

(i) Write, in the above diagram, the letters

fluids.

Tulispada rajah di atasdenganhuruf

bendalirbadanitu.

(ii) Give reasons for your answer.

Berikanalasanbagijawapananda.

(b) Study the statement below.

Suggest how the gastric pain problem can be overcome. Explain your answer.

Cadangkanbagaimanamasalahsakitgastrikdapatdiatasi. Terangkanjawapananda.

Gastric pain is commonly used to describe pain or discomfo

The patient may suffer from heartburn, bloating and nausea.

Sakitgastriklazimnyadigunakanuntukmenerangk

bahagianatas abdomen.Pesakitter

angindanloya.

Write, in the above diagram, the letters A and B to show the organs which contain the

Tulispada rajah di atasdenganhurufAdan Buntukmenunjukkan organ yang

Give reasons for your answer.

Berikanalasanbagijawapananda.

Suggest how the gastric pain problem can be overcome. Explain your answer.


Gastric pain is commonly used to describe pain or discomfort in the upper abdomen.

The patient may suffer from heartburn, bloating and nausea.

Sakitgastriklazimnyadigunakanuntukmenerangkankesakitanatauketidakselesaan di

bahagianatas abdomen.Pesakittersebutmungkinmengalamipedihuluhati,

ow the organs which contain the body

unjukkan organ yang mengandungi

[2 marks]

[2 markah]

[2 marks]

[2 markah]


rt in the upper abdomen.

ketidakselesaan di

pedihuluhati,

6 (a) (i) The following diagram shows the carbon cycle.

Tick (✓)the correct process or mark with a cross (

Rajah berikut menunjukkan kitar karbon

Tandakan (✓) pada proses yang

(ii) Write down‘True’ or ‘False

Tulis‘Benar’atau‘Palsu’bagi pernyataan yang berikut

Photosynthesis in green plants uses carbon dioxide in the air to

make food.

Fotosintesis oleh tumbuhan hijau menggunakan karbon

dioksida untuk membuat makanan.

The process of respiration uses carbon dioxide and releases

oxygen.

Proses respirasi menggunakan karbon dioks

membebaskan oksigen.

The following diagram shows the carbon cycle.

)the correct process or mark with a cross (✗)the wrong process in the carbon cycle.

Rajah berikut menunjukkan kitar karbon.

pada proses yang betul atau (✗) pada proses yang salah dalam kitar karbon

False’ for the following statements.

bagi pernyataan yang berikut.

green plants uses carbon dioxide in the air to

Fotosintesis oleh tumbuhan hijau menggunakan karbon

dioksida untuk membuat makanan.

The process of respiration uses carbon dioxide and releases

Proses respirasi menggunakan karbon dioksida dan

[2 marks]

[2 markah]

)the wrong process in the carbon cycle.

pada proses yang salah dalam kitar karbon.

[2 marks]

[2 markah]

(b) The diagram below shows a human activity. Human activities can have harmful effects on plants

and animals. The destruction of plants and animals affects the balance of nature.

Rajah di bawah menunjukkan satu aktiviti manusia. Aktiviti manusia mungkin mempunyai kesan

buruk pada tumbuh-tumbuhan dan haiwan. Kemusnahan tumbuhan dan haiwan menjejaskan

alam semula jadi.

Tick (✓) the harmful effects of

Tandakan (✓) pada kesan buruk aktiviti manusia di atas terhadap alam semula jadi

Air pollution

Pencemaran udara

Soil erosion

Hakisan tanah

Destruction of natural habitat

Kemusnahan habitat alam semula jadi

Death of aquatic animals

Hidupan akuatik akan mati

The diagram below shows a human activity. Human activities can have harmful effects on plants



tumbuhan dan haiwan. Kemusnahan tumbuhan dan haiwan menjejaskan

) the harmful effects of the human activity above on the natural environment.

pada kesan buruk aktiviti manusia di atas terhadap alam semula jadi

Destruction of natural habitat

alam semula jadi

[2 marks]

[2 markah]

The diagram below shows a human activity. Human activities can have harmful effects on plants



tumbuhan dan haiwan. Kemusnahan tumbuhan dan haiwan menjejaskan

the human activity above on the natural environment.

pada kesan buruk aktiviti manusia di atas terhadap alam semula jadi.

[2 marks]

[2 markah]

7 The diagram below shows a situation where Ain wants to pour milk out from a tin.

Rajah di bawahmenunjukkansatusituasi di mana Ain

(a) (i) Ain tries to pour milk out by punching one hole and two holes on the tin. Tick (

box below to show which method of pouring milk out from the tin is easier.

Ain mencubauntukmenuangsusudenganmenebuksatulubangdandualubangpada

Tanda(✓)padapetak di bawahuntukmenunjukk

menuangsusudari tin.

(ii) Give a reason for your answer in (a) (i).

Berikansatualasanbagijawapan di

_________________________________________________________________________

_________________________________________________________________________

The diagram below shows a situation where Ain wants to pour milk out from a tin.

Rajah di bawahmenunjukkansatusituasi di mana Ain hendakmenuangsusudari tin.

Ain tries to pour milk out by punching one hole and two holes on the tin. Tick (


mencubauntukmenuangsusudenganmenebuksatulubangdandualubangpada

padapetak di bawahuntukmenunjukkancara yang lebihmudahuntuk

Give a reason for your answer in (a) (i).

Berikansatualasanbagijawapan di (a) (i).

_________________________________________________________________________

_________________________________________________________________________

Ain tries to pour milk out by punching one hole and two holes on the tin. Tick (✓) in the


mencubauntukmenuangsusudenganmenebuksatulubangdandualubangpadatin.

ancara yang lebihmudahuntuk

[1 mark]

[1 markah]

_________________________________________________________________________

_________________________________________________________________________

[1 mark]

[1 markah]

(iii) Based on the diagram below tick (

operation from the others.

Berdasarkan rajah di bawahtandakan

seperti yang lain.

(b) Ain wants to remove water in an aquarium by using a siphon.

Ain inginmengeluarkan air di dalamakuariumdenganmenggunakansifon.

(i) Ain finds that the water does not flow out from the rubber tube. What

Ain mendapati air tidakmengalirkeluardarimulutsalurgetah.Apakah

berlaku?

_________________________________________________________________________

_________________________________________________________________________

(ii) Explain the reason based on the answer in (b) (i).

Terangkansebabberdasarkanjawapan di

__________________________________________________

_________________________________________________________________________

_________________________________________________________________________

________________________________________________________________________

rubber tube

salur getah

diagram below tick (✓) in the box to show the device which has a

Berdasarkan rajah di bawahtandakan (✓) padapetakbagialat yang tidaksamaoperasi

Ain wants to remove water in an aquarium by using a siphon.

Ain inginmengeluarkan air di dalamakuariumdenganmenggunakansifon.

Ain finds that the water does not flow out from the rubber tube. What is the possible reason?

Ain mendapati air tidakmengalirkeluardarimulutsalurgetah.Apakahsebab yang telah

_________________________________________________________________________

_________________________________________________________________________

Explain the reason based on the answer in (b) (i).

Terangkansebabberdasarkanjawapan di (b) (i).

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

________________________________________________________________________

rubber tube

salur getah

) in the box to show the device which has a different

padapetakbagialat yang tidaksamaoperasi

[1 mark]

[1 markah]

is the possible reason?

sebab yang telah

_________________________________________________________________________

_________________________________________________________________________

[1 mark]

[1 markah]

_______________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

[2 marks]

[2 markah]

8 (a) Alif arranges a lever system in an experiment. Write

the lever system.

Alif menyusun satu sistem tuas dalam suatu eksperimen. Tulis

melabel bahagian sistem tuas.

(b) Levers are classified into three classes. Match the classes of levers with their examples.

Tuas dikategorikan kepada tiga kelas. Padankan kelas

First class lever

Tuas kelas pertama

Second class lever

Tuas kelas kedua

Third class lever

Tuas kelas ketiga

9 (a) The diagram below shows a pair of scissors.

Rajah di bawah menunjukkan satu

(i)

Alif arranges a lever system in an experiment. Write fulcrum, effort and load to label the parts

Alif menyusun satu sistem tuas dalam suatu eksperimen. Tulis fulkrum, beban

Levers are classified into three classes. Match the classes of levers with their examples.

Tuas dikategorikan kepada tiga kelas. Padankan kelas-kelas tuas itu dengan contohnya.

The diagram below shows a pair of scissors.

Rajah di bawah menunjukkan satu gunting.

(iii)

(ii)

to label the parts of

beban dan daya untuk

[3 marks]

[3 markah]

Levers are classified into three classes. Match the classes of levers with their examples.

dengan contohnya.

[3 marks]

[3 markah]

(i) Label the position of the fulcrum in the above diagram.

Label kedudukan fulkrum pada rajah di atas.

[1 mark]

[1 markah]

(ii) Based on the above diagram, choose one tool which is in the same class of lever as the

scissors. Tick ( � ) the correct tool.

Berdasarkan rajah di atas, pilih satu alat yang tergolong dalam kelas yang sama seperti

gunting. Tandakan ( � ) alat yang betul.

[1 mark]

[1 markah]

(iii) Give a reason for your answer in (a)(ii).

Berikan alasan bagi jawapan anda di(a)(ii).

_________________________________________________________________________

_________________________________________________________________________

[1 mark]

[1 markah]

(b) The diagram below show a paper cutter.

Rajah di bawah menunjukkan pemotong kertas.

(i) The scissors and paper cutter have the same function, which is to cut paper. Confirm

whether the paper cutter and the scissors are categorized in the same class of levers.

Explain your answer.

Gunting dan pemotong kertas mempunyai fungsi yang sama, iaitu untuk memotong kertas.

Ice tongs

Penyepit

Tin opener

Pembuka tin

Bottle opener

Pembuka botol

Kenal pasti sama ada pemotong kertas dan gunting dikategorikan dalam kelas tuas yang

sama. Terangkan jawapan anda.

_________________________________________________________________________

_________________________________________________________________________

[2 marks]

[2 markah]

(ii) Suggest one way of cutting paper by using the least effort.

Cadangkan satucara memotong kertas dengan menggunakan daya yang sedikit.

_________________________________________________________________________

_________________________________________________________________________

[1 mark]

[1 markah]

10 The diagram below shows a situation where EncikRamly wants to cut a bicycle chain.

Rajah di bawahmenunjukkansatusituasiEncikRamlyhendakmemotongrantaibasikal.

(a) (i) Based on the above diagram, tick (�) in the box for the device which is the same class of lever

as the bicycle chain cutter.

Berdasarkan rajah di atas, tandakan(�)padakotakbagialat yang samakelastuas.

[1 mark]

[1 markah]

(ii) EncikRamlytried to cut the same chain by using two different types of cutter. Tick (�) in the

box below to show the cutter that makes it easier to cut the chain.

EncikRamlymencubauntukmemotongrantai yang samatetapimenggunakanduajenispemotong

yang berbeza. Tandakan(�)padakotak di bawahbagisituasi yang

lebihmudahuntukmemotongrantaitersebut.

[1 markah

(iii) Give a reason for your answer in (a) (ii).

Berikanalasanbagijawapananda di

___________________________________________________________________

___________________________________________________

[1 markah

(b) EncikRamly makes a hanger for a plastic container of flowers as shown in the diagram below.

EncikRamlymembuatpenyangkutbekaspla

(i) If EncikRamly wants to replace the plastic container with

probably happen?

Jika En. Ramlyinginmenggantikanbekasplastikdeng

mungkinakanberlaku?

___________________________________________________________________

___________________________________________________________________

(ii) Suggest a way to overcome the p

Cadangkancarauntukmengatasimasalah di

___________________________________________________________________

___________________________________________________________________

[1 mark]

markah]

Give a reason for your answer in (a) (ii).

Berikanalasanbagijawapananda di (a) (ii).

___________________________________________________________________

___________________________________________________________________

[1 mark]

markah]

EncikRamly makes a hanger for a plastic container of flowers as shown in the diagram below.

EncikRamlymembuatpenyangkutbekasplastikpokokbungasepertidalam rajah di bawah.

If EncikRamly wants to replace the plastic container with a ceramic container, what will

Jika En. Ramlyinginmenggantikanbekasplastikdenganbekasseramik, apakah yang

___________________________________________________________________

___________________________________________________________________

[1 mark]

[1

to overcome the problem in (b) (i) and give your reasons.

Cadangkancarauntukmengatasimasalah di (b)(i)sertaberikanalasananda.

___________________________________________________________________

___________________________________________________________________

container holder

pemegangbekas

plastic container

bekasplastik

__________________________________________________________________________

_______________________

EncikRamly makes a hanger for a plastic container of flowers as shown in the diagram below.

ajah di bawah.

a ceramic container, what will

anbekasseramik, apakah yang

__________________________________________________________________________

__________________________________________________________________________

[1 mark]

[1 markah]

__________________________________________________________________________

__________________________________________________________________________

__________________________________________________________________________

__________________________________________________________________________

[2 marks]

[2 markah]

11 An ecosystem consists of several communities that interact with one another and their environment.

The table below shows the data collected by Ramli from a farm.

Ekosistemterdiridaripadabeberapakomuniti yang berinteraksiantarasatudengan yang laindan

denganalamsekitar. Jadual di bawahmenunjukkan data yang dikumpulolehRamlidarisebuah

kebun.

Organism

Organisma

Illustration

Ilustrasi

Food

Makanan

Ladybird Kumbangkura-kura

Aphid Kutudaun

Owl Burunghantu

Sparrow Burung pipit

Flower plants

Pokokbunga

Makes its own food

Membuatmakanansendiri

Aphids

Kutudaun

Flower plant

Pokokbunga

Sparrow

Burung pipit

Ladybird

Kumbangkura-kura

(a) Based on the table given, answer the following questions.

Berdasarkanjadual yang diberi, jawabsoalan yang berikut.

(i) List allthe organisms that have wings.

Senaraikansemuaorganisma yang mempunyaisayap.

___________________________________________________________________

___________________________________________________________________

[2 marks]

[2 markah]

(ii) Which organisms can be classified in the same group as the ladybird? Explain with

anappropriate reason.

Organisma yang manakahbolehdiklasifikasikandalamkumpulan yang samadengan

kumbangkura-kura. Terangkandenganalasan yang munasabah.

___________________________________________________________________

___________________________________________________________________

___________________________________________________________________

[2 marks]

[2 markah]

(b) The diagram below shows a food chain in the farm.

Rajah di bawahmenunjukkanrantaimakanan di kawasankebun.

If the farm is contaminated with excessive amounts of chemical fertiliser used by the farmer,

discuss the negative effects on the food chain. Suggest ways to overcome this problem.

Jikakebuninitelahdicemaridenganbajakimia yang berlebihan yang digunakanolehpetani,

bincangkankesannegatifkepadarantaimakanan.Cadangkancarauntukmengatasimasalahitu.

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

[6 marks]

[6 markah]

12 The diagram below shows an ecosystem.

Rajah di bawahmenunjukkansuatuekosistem.

(a) Based on the above diagram, list all the organisms

Berdasarkan rajah di atas, senaraikansemuaorganisma yang merupakanpengeluar.

(b) Which organism can be classified in the same group as the butterfly? Explain with an

appropriate reason.

Organisma yang manakahbolehkelaskandalamkumpulan yang samadengan

rama-rama? Terangkandenganalasanmunasabah.

bee

lebah

praying mantis

mentadak

diagram below shows an ecosystem.

Rajah di bawahmenunjukkansuatuekosistem.

Based on the above diagram, list all the organisms that are producers.


Which organism can be classified in the same group as the butterfly? Explain with an

Organisma yang manakahbolehkelaskandalamkumpulan yang samadengan

Terangkandenganalasanmunasabah.

butterfly

rama-rama bee

lebah

eggplant

pokokterung weed

rumpai


[2 marks]

[2 markah]

Which organism can be classified in the same group as the butterfly? Explain with an

[2 marks]

[2 markah]

weed

rumpai

(c) Herbicide is sprayed on the weeds in an oil palm estate.

Racunrumpaidisemburpadarumpai di sebuahladangkelapasawit.

Discuss the negative effect of spraying herbicideand suggest ways to overcome the

problem of weeds.

Bincangkankesanburuksemburanracunrumpai dan cadangkancarauntukmengatasi

masalahrumpai.

[6 marks]

[6 markah]

13 (a) The diagram below shows a food web in an estate.

Rajah di bawah menunjukkan siratan makanan di dalam suatu ladang

Based on the information given in the above diagram, construct

consist of four different organisms, in this habitat.

Berdasarkan maklumat yang diberikan dalam rajah di atas

setiap rantai makanan terdiri daripada empat organisma yang berbeza, di dalam

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

(b) Based on the food chains in (a), complete the following pyramid of numbers.

Berdasarkan rantai makanan di

(c) Read the following passage.

Baca petikan yang berikut.

shows a food web in an estate.

Rajah di bawah menunjukkan siratan makanan di dalam suatu ladang.

Based on the information given in the above diagram, construct three food chains, each of which

consist of four different organisms, in this habitat.

Berdasarkan maklumat yang diberikan dalam rajah di atas, binatigarantai makanan dengan mana

setiap rantai makanan terdiri daripada empat organisma yang berbeza, di dalam

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

Based on the food chains in (a), complete the following pyramid of numbers.

Berdasarkan rantai makanan di (a), lengkapkan piramid nombor yang berikut.

food chains, each of which

rantai makanan dengan mana

setiap rantai makanan terdiri daripada empat organisma yang berbeza, di dalam habitat ini.

_______________________________________________________________________

_______________________________________________________________________

_______________________________________________________________________

[3 marks]

[3 markah]

[2 marks]

[2 markah]

(i) The owner of an estate wants to use biological control to overcome the problem of

the ever increasing rat population in his estate.

Tuan ladang hendak menggunakan kaedah kawalan biologi bagi mengatasi masalah

populasi tikus yang semakin bertambah di ladangnya.

Suggest a suitable predator for the biological control to be used in the estate.

Cadangkan satu pemangsa yang sesuai digunakan untuk melakukan kawalan biologi

dalam ladang itu.

___________________________________________________________________

___________________________________________________________________

[1 mark]

[1 markah]

(ii) Statetwo advantages and twodisadvantages of biological control.

Nyatakanduakebaikan dan duakeburukan kawalan biologi.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

[4 marks]

[4 markah]

Biological control is the use of natural predators to control pests. Biological

control instead of pesticides is usually used in agriculture in large farms,

plantations and estates. Biological control should only use suitable predators

to prevent unnecessary complications.

Kawalan biologi ialah penggunaan pemangsa semula jadi untuk mengawal

perosak di sesuatu kawasan. Kawalan biologi bukannya racun perosak

biasanya digunakan dalam pertanian di ladang-ladang yang besar,

perladangan dan estet. Kawalan biologi seharusnya menggunakan

pemangsa yang sesuai untuk mengelakkan sebarang masalah.

14 A forest ecosystem food web is shown below.

Suatu siratan makanan dalam ekosistem suatu hutan ditunjukkan di bawah.

(a) Which population will most likely decrease immediately if additional birds are introduced

into this ecosystem? Give a reason.

Populasi manakah mungkin akan berkurang dengan cepat jika lebih banyak burung masuk ke

dalam ekosistem ini. Berikan alasan.

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

[2 marks]

[2 markah]

(b) List all the organisms that are tertiary consumers.

Senaraikan semua organisma yang merupakan pengguna tertier.

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

[2 marks]

[2 markah]

Fox

Musang

Squirrel

Tupai

Plant

Tumbuhan

Grasshopper

Belalang

Praying mantis

Mentadak

Frog

Katak

Sparrow

Burung

pipit

Eagle

Burung helang Snake

Ular

(c) If all the grass is destroyed in a drought, what will happen to all the organisms in the ecosystem?

Explain your answer.

Jika semua rumput telah musnah dalam suatu musim kemarau, apakah yang akan berlaku kepada

semua organisma dalam ekosistem itu. Terangkan jawapan anda.

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

[2 marks]

[2 markah]

(d) Discuss the importance of preservation and conservation of the environment.

Bincangkan kepentingan pemeliharaan dan pemuliharaan alam sekitar.

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

[4 marks]

[4 markah]

soalan sains tingkatan 1 pt3

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