Science Form 3 Chapter 1

Which of the following is a voluntary action?

Antara berikut, yang manakah merupakan tindakan terkawal?

• Talking

  Bercakap

• Heartbeat

  Denyutan jantung

• Peristalsis

  Peristalsis

• Sweating

  Berpeluh

Study the information in the diagram.

Kaji maklumat dalam rajah.

Which of the following represent the central nervous system?

Antara berikut, yang manakah mewakili sistem saraf pusat?

• J, K

• J, L

• L, M

• K, M

What is the similarity of the animals such as cows, goats and rabbits?

Apakah persamaan haiwan seperti lembu, kambing dan arnab?

• Have a wide field of vision.

  Mempunyai medan penglihatan yang luas.

• Can judge distance accurately.

  Boleh menganggar jarak dengan tepat.

• Have stereoscopic vision.

  Mempunyai penglihatan stereoskopik.

• Have a three-dimensional view of objects.

  Mempunyai pandangan tiga-dimensi sesuatu objek.

Diagram shows the structure of the human nervous system.

Which of the following is the correct match?

• Central nervous system : P, Q

  Peripheral nervous system : R, S

• Central nervous system : P, R

  Peripheral nervous system : Q, S

• Central nervous system : P, S

  Peripheral nervous system : Q, R

• Central nervous system : P, Q, R

  Peripheral nervous system : S

The diagram shows the impulse pathway of an action.

Rajah menunjukkan laluan impuls suatu tindakan.

Which of the following action will pass through the same impulse pathway?

Antara tindakan berikut, yang manakah akan melalui laluan yang sama?

• Knee-jerk reaction

  Sentakan lutut

• Breathing

  Bernafas

• Walking

  Berjalan

• Thinking

  Berfikir

The flow map below shows the impulse pathway of an action.

Peta alir berikut menunjukkan lalulan impuls suatu tindakan.

Which of the following action will pass through the same impulse pathway?

Antara tindakan berikut, yang manakah akan melalui laluan yang sama?

• Sweating

  Berpeluh

• Peristalsis

  Peristalsis

• Knee-jerk reaction

  Sentakan lutut

• Reading

  Membaca

Diagram shows the reaction of a hand when touches a hot object.

Rajah menunjukkan gerak balas tangan apabila tersentuh objek panas.

Which of the following shows the impulse pathway of the reaction?

Antara berikut, yang manakah menunjukkan laluan impuls bagi gerak balas tersebut?

• P → S → T → R → Q

• P → R → T → S → Q

• Q → S → T → R → P

• Q → R → T → S → P

Diagram shows the structure of the human ear.

Rajah menunjukkan struktur telinga manusia.

Which part of the ear control body balance?

Bahagian telinga manakah yang mengawal keseimbangan badan?

• A

• B

• C

• D

Diagram shows the human eye.

Rajah menunjukkan mata manusia.

What is the function of P?

Apakah fungsi P?

• Focuses light rays.

  Memfokuskan sinar cahaya.

• Controls the size of the pupil.

  Mengawal saiz pupil.

• Changes images to impulses.

  Menukarkan imej kepada impuls.

• Allows light to enter the eye.

  Membenarkan cahaya memasuki mata.

A student eats several kinds of food and he finds that the parts of tongue X and Y in diagram are stimulated.

Seorang murid merasa beberapa jenis makanan dan dia mendapati bahagian lidah X dan Y dalam rajah dirangsang.

Which of the following are the food eaten by the student?

Antara berikut, yang manakah makanan yang dirasa oleh murid tersebut?

I : Common salt / Garam biasa

II: Honey / Madu

III: Lemon / Lemon

IV: Coffee / Kopi

• I, II

• I, IV

• II, III

• III, IV