TOPIC 3 : EXCRETION

TINGKATAN 3EXCRETION

ARAS RENDAH1. Which of the following is the elimination of waste products produced as a result of chemical reaction that takes place in the body?

Antara yang berikut, yang manakah proses penyingkiran bahan buangan yang terhasil akibat tindak balas kimia yang berlaku dalam badan?

A. Respiration

Respirasi

B. Excretion

Perkumuhan

C. Assimilation

Asimilasi

D. Transpiration

TranspirasiJawapan: B

2. How is carbon dioxide eliminated from the body?

Bagaimanakah karbon dioksida disingkirkan daripada badan?

A.Through exhalation

Melalui hembusan nafas

B. Through sweat pore

Melalui liang peluh

C. Together with urine

Melalui air kencing

D. Through the large intestine

Melalui usus besarJawapan: A

3. What will happen if an excessive amount of urea accumulates in the blood?

Apakah yang berlaku sekiranya urea yang berlebihan terkumpul dalam darah?

A. The blood will be poisoned

Darah diracuni

B. The blood pressure will decrease

Tekanan darah menurun

C. The blood concentration will increase

Kepekatan darah meningkat

D. The water content in the blood will decrease

Kandungan air dalam darah berkurangJawapan: A4. Diagram shows the section of a kidney.

Rajah menunjukkan keratan ginjal.

Diagram Rajah What is the part labeled X?

Apakah bahagian yang berlabel X?

A. Urethra

Uretra

B. Cortex

Kortek

C. Medulla

Medula

D. Pelvis

PelvisJawapan: D5. Which of the following are organs of the excretory system?

Antara yang berikut, manakah adalah ogan sistem perkumuhan?

A. I and II only

I dan II sahaja

B. I and IV only

I dan IV sahaja

C. II and III only

II dan III sahaja

D. III and IVonly

III dan IV sahajaJawapan: C

6. Which of the following processes help plants to get rid of excretory products?

Antara proses berikut, yang manakah membantu tumbuhan menyingkirkan hasil perkumuhan?I. Photosynthesis/Fotosintesis

II. Respiration/RespirasiIII. Transpirasion/Transpirasi

A. I and II only

I dan II sahaja

B. I and III only

I dan III sahaja

C. II and III only

II dan III sahaja

D. I,II and IIIonly

I,II dan III sahajaJawapan: D7. Which of the following organs excrete a large volume of water on a rainy day?

Antara organ yang berikut, manakah yang mengumuhkan air dalam kuantiti yang banyak semasa hari hujan?

A. Skin

Kulit

B. Lungs

Paru-paru

C. Kidneys

Buah pingang

D. Anus

DuburJawapan: C8. Diagram 5 shows the human urinary system.

Rajah 5 menunjukkan sistem air kencing.

Diagram 5 / Rajah 5What are the parts labeled, L and M?

Apakah bahagian yang berlabel L dan M?

LM

ARenal artery

Arteri ginjalUreter

Ureter

BRenal artery

Arteri ginjalUrethra

Uretra

CRenal Vein

Vena GinjalUreter

Ureter

DRenal vein

Vena ginjalUrethra

Uretra

Jawapan: B9. Which of the the following substances is not found in the urine of a normal

person?

Antara bahan-bahan berikut, yang manakah tidak terdapat dalam air kencing seorang yang normal? A. Urea

Urea

B. Water

Air

C. Glucose

Glukosa

D. Mineral salts

Garam mineralJawapan: CARAS SEDERHANA

1. Which of the following substances is released through the stoma pores on the leaf of a green plant?

Antara bahan yang berikut, yang manakah dibebaskan melalui liang stoma pada daun suatu tumbuhan hijau?

i. Nitrogen

Nitrogen

ii. Water

Air

iii. Carbon dioxide

Karbon dioksidaA. I and II only

I dan II sahaja

B. I and III only

I dan III sahaja

C. II and III only

II dan III sahaja

D. I,II and III only

I, II dan III sahajaJawapan: C2. Which of the following excretory product is correctly matched with its use?Antara hasil perkumuhan berikut, yang manakah betul dipadankan dengan kegunaannya?

Excretory product

Hasil perkumuhanUse

Kegunaan

ALatex

Susu getahFor making medicine

Membuat ubatan

BCaffeine

KafeinFor making morphine

Membuat morfin

CResin

ResinFor making paint and gum

Membuat cat dan gam

DQuinine

KuininaFor making ink

Membuat dakwat

Jawapan: C3. Which of the following excretory organs are correctly matched with the excretory

products?Antara organ perkumuhan berikut, yang manakah betul dipadankan dengan hasil perkumuhannya?Excretory organ

Organ perkumuhanExcretory product

Hasil perkumuhan

ISkin

KulitMinaral salts, water, urea

Garam mineral, air,urea

IILungs

PeparuCarbon dioxide, water

Karbon dioksida,air

IIIKidneys

GnjalMineral salts, water, glucose

Garam mineral, air ,glukosa

A I and II onlyI dan II sahaja

B I and III only

I dan III sahaja

C II and III only

II dan III sahaja

D. I,II and III only

I, II dan III sahajaJawapan: A4. Diagram 4 shows an organ in the human body.Rajah 4 menunjukkan organ di dalam badan.

Diagram Rajah What is the function of the organ?

Apakah fungsi organ ini?

I. To filter waste substances from the blood

Untuk menapis bahan buangan daripada darah

II. To excrete carbon dioxide and water

Untuk menyingkirkan karbon dioksida dan air

III. To allow gaseous exchange in the body

Untuk membenarkan pertukaran gas berlaku di dlalam badan

A. I only

I sahaja

B. I and II only

I dan II sahaja

C. II and III only

II dan III sahaja

D. I,II and III

I,II,dan III.Jawapan: A 5. Which of the following statements is not true about haemodialysis treatment.Antara pernyataan berikut, yang manakah tidak benar mengenai rawatan hemodialisis.A. It is a costly treatment

Ia adalah rawatan yang mahal.

B. It is a life support treatment

Ia adalah rawatan yang dapat membantu untuk ters hidup

C. It treats and cures kidney ailments

Ia merawat dan mengubati penyakit buah pinggangD. The patients blood is passed through semipermeable tubes.

Darah pesakit dialirkan melalui tiub separa telap.Jawapan: CARAS TINGGI1. Which of the following shows the flow of urine in the urinary system?

Antara yang berikut, yang manakah menunjukkan aliran air kencing dalam sistem urinary?A. Urinary bladder kidney Urethra Ureter

Pundi kencing Ginjal Uretra Ureter

B. Kidney Ureter Urethra Urinary bladder

Ginjal Ureter Uretra Pundi kencing

C. Kidney Ureter Urinary bladder Urethra

Ginjal Ureter Pundi kencing Uretra

D. Ureter Urinary bladder Urethra Kidney

Ureter Pundi kencing Uretra GinjalJawapan: C6. Diagram shows the process of removing waste products from the body in the urinary system.

Rajah menunjukkan proses penyingkiran bahan-bahan buangan daripada badan didalam sisitem air kencing.

Diagram Rajah Which of the following correctly represents P,Q and R?

Antara yang berikut yang manakah menunjukkan P,Q dan R?

PQR

AUrethra

UretraKidney

GinjalUrinary bladder

Pundi kencing

BKidney

GinjalUrethra

UretraUrinary bladder

Pundi kencing

CKidney

GinjalUrinary bladder

Pundi kencingUrethra

Uretra

DUrinary bladder

Pundi kencingKidney

GinjalUrethra

Uretra

Jawapan: CxX

P

R

Q

Waste products

Bahan-bahan buangan

Ureter

Ureter