SCIENCE FORM 3

Which of the following is a voluntary action?

Antara berikut, yang manakah merupakan tindakan terkawal?

• Peristalsis

• Talking

• Sweating

• Heartbeat

Which of the following practices can improve the quality of air?

Antara pernyataan yang berikut, manakah boleh meningkatkan kualiti udara?

• Smoke in open area.

  Merokok di kawasan terdedah.

• Use lead-free fuel in vehicles.

  Menggunakan minyak tanpa plumbum dalam kereta.

• Burn the rubbish that cannot be recycled or reused.

  Membakar sampah yang tidak boleh di sekitar semula atau diguna semula.

• Use motor vehicle to reach a destination within walking distance.

  Menggunakan kenderaan bermotor untuk sampai ke destinasi yang jaraknya pendek.

What are the factors that affect the sensitivity of the skin?

Apakah faktor-faktor yang memberi kesan kepada kepekaan kulit?

I The number of sensory receptors present

Bilangan reseptor deria yang hadir

II The thickness of epidermis layer

Ketebalan lapisan epidermis

III The thickness of dermis layer

Ketebalan lapisan dermis

• I and II only

• I and III only

• II and III only

• I, II and III

Tags

NGSS.4-LS1-2

What sensory organ is used by blind people in Braille reading?

Apakah organ deria yang digunakan oleh orang cacat penglihatan dalam membaca Braille?

• Skin

• Nose

• Eye

• Tongue

Tags

NGSS.4-LS1-2

Diagram 1 shows the cross section of a human eye.

Name the parts X

• Pupil

• Cornea

• Iris

• Optic nerve

Tags

NGSS.4-PS4-2

Diagram 1 shows the cross section of a human eye.

Name the parts Y

• Pupil

• Cornea

• Iris

• Optic nerve

Tags

NGSS.4-PS4-2

Diagram 1 shows the cross section of a human eye.

Name the parts Z

• Iris

• Optic nerve

• Cornea

• Pupil

Tags

NGSS.4-PS4-2

Diagram 2 shows the cross section of the human nose.

What is the function of X?

• Moistens the nasal cavity

  Melembapkan rongga nasal

• Interprets the impulses as a smell

  Menterjemahkan impuls sebagai satu bau

• Secretes mucus to dissolve the chemicals

  Mengeluarkan mukus untuk melarutkkan kimia

• Detects and sends the impulses to the brain

  Mengesan dan menghantar impuls kepada otak

Tags

NGSS.4-LS1-2

Diagram 2 shows a type of vision of some animals.

Which of the following animals has this type of vision?

• Pigeon

• Goat

• Fish

• Tiger

Tags

NGSS.4-LS1-2

Which of the following plants shows the same response?

• Hibiscus

• Red bean

• Sunflower

• Venus flytrap

Tags

NGSS.3-LS3-2