SECTION A(10 MARKS)

Answer all the questions

SECTION A(10 MARKS)

Answer all the questions

7. The following information is materials in the interstitial fluid.

Which of the following blood vessels involve in the process of the materials exchange be blood and interstitial fluids occurs?

A. Veins C. ArteriolesB. Arteries D. Blood capillaries

8. The statement below shows the mechanism used by antibodies to destroy antigens.

Which of the following refers to the mechanism?

10. A patient has artificial joints fitted in his knee. Which of the following diseases is suffered by the patient?

A. Gout C. Arthritis

B. Osteoporosis D. Muscular dystrophy

SECTION B(30 MARKS)

Answer all the questions

2. Diagram 2 shows three types of vertebrae.

Diagram 2

(a) Name the vertebrae.

P : ……………………………………………………………………………………………………

Q : …………………………………………………………………………………………………...

R : ……………………………………………………………………………………… [3 Marks ]

(b) What is the correct position of the vertebrae in the vertebral column below the skull?

………………………………………………………………………………………… [1 Mark]

(c) i. Which part of vertebrae P is not found in the other verterbrae which shown above? Mark it with

‘X’ and name it.

…………………………………………………………………………………………. [2 Marks]

ii. What is the function of the part named in (c) i.

…………………………………………………………………………………………... [1 Mark]

3. Diagram 3 shows two cells, P and Q.

Diagram 3

(a) Identify cell P and Q.

P : ……………………………………………………………………………………………………

Q : …………………………………………………………………………………….. [ 2 Marks]

(b) State two characteristics which enable you to differentiate Q from P.

1. …………………………………………………………………………………………………..

2. ……………………………………………………………………………………… [2 Marks

4. Diagram 4 shows the organisation of cells in a multicellular organism.

Diagram 4

(a) Name P and R.

P : …………………………………………………………………………………………

R : ……………………………………………………………………………… [2 Marks]

(b) Link up P, Q and R to show cell organization.

(c) i. State the function of Q.

……………………………………………………………………………………....... [1 Mark]

ii. explain how Q is formed.

………………………………………………………………………………………… [1Mark]

SECTION C(20 MARKS)

Answer all the questions.

1(a) (i) What is meant by double circulatory system and single circulatory system ?

[ 3 marks]

(ii) Explain the advantages of double circulatory system over single circulatory

system.

[2 marks]

(b) Compare and contrast between the open circulatory system and the close circulatory

system.

[5 marks]

(c) (i) Figure 1 is an electron micrograph showing red blood cells trapped in a mesh of fibrin network.

FIGURE 1

Describe the process shown in the Figure 1. [8 marks]

(ii) Explain why blood of a haemophiliac is unable to clot [2 marks]

NAMA : ………………………………………………… KELAS : …………………..

SMK SUNGAI PAOH

PEPERIKSAAN PERTENGAHAN TAHUN 2014

TINGKATAN SATU

SAINS

KERTAS 1

SATU JAM LIMA BELAS MINIT

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini adalah dalam Bahasa Melayu.

2. Calon dikehendaki menjawab semua soalan.

Disediakan oleh Disemak oleh

…………………………. ………………………….. (Cik Wan Nur Syazwani Binti Wan Mohd Ludin)

Kertas soalan ini mengandungi 7 halaman bercetak