Form 3 Science Chapter 1 (Stimuli and Responses) KSSM

Which of the following parts of body does not involve in the central nervous system?

• Brain

• Cranial nerve

• Spinal nerve

• Spinal cord

Which of the pathway of nerve impulses as shown is correct?

• Stimulus-->Effector-->Central nervous system-->Receptor-->Response

• Response-->Effector-->Central nervous system-->Receptor-->Stimulus

• Stimulus-->Receptor-->Central nervous system-->Effector-->Response

• Response-->Receptor-->Central nervous system-->Effector-->Stimulus

Which of the following is not an example of involuntary actions involving medulla oblongata?

• Breathing

• Peristalsis

• Digestion

• Scream when stepped on a pin

There are two types of photoreceptor cells, namely...

• Cone cell

• Rod cell

• Light cell

• Pod cell

Which of the following is not a part of retina?

• Yellow spot

• Blind spot

• Vitreous humour

• Aqueous humour

Which part of the eye maintains the shape of the eyeball?

• Optic nerve

• Vitreous humour

• Conjuctiva

• Aqueous humour

Which of the following is not a part of the middle ear?

• Ossicles

• Cochlea

• Ear canal

• Eardrum

Which part of the mechanism of hearing is wrong?

• Eardrum-->Ear canal

• Cochlea-->Auditory nerve

• Ossicles-->Oval window

• Oval window-->Cochlea

Why does blind people use their fingertips to read Braille?

• They have a thick epidermal layer

• They have a thin epidermal layer

• They have many receptors

• They have less receptors

Which of the following is not a type of receptor in skin?

• Touch receptor

• Hot receptor

• Cold receptor

• Pressure receptor