Worksheetsscience form 3 chap 1 -1.1, 1.2
Total questions: 24
Worksheet time: 28mins
Human nervous system consists of?
(a)
Central nervous system involve?
(a)
Peripheral nervous system involve?
(a)
Functions of human nervous system
detects stimuli
sends information i the form of impulses
interprets impulses
produces appropriate responses
Action divided into?
(a)
Does voluntary action go through medulla oblongata?
No
Yes
Give 2 examples for voluntary action.
read a book
touch your phone screen when received a message
withdraw you hand when contact with hot object
What's the meaning of involuntary action?
An action without conscious control
prior thoughts
An action that involve brain.
Give 3 examples for involuntary action.
heart beat pumping
peristalsis
respiration
say hello to your friend
Types of involuntary action.
involved medulla oblongata
involved spinal cord(reflex action)
involved brain
involved nerves
List out 5 senses.( with comma between )
(a)
Label the part of eye in number 4
(a)
Gimme 2 types of cells in retina
(a)
rod cell is for?
light intensities
colour of light
Just a reminder, d o n t s e e t b
Cone cell for?
Light intensities
colour of light
refraction of light
Parts of ear
inner ear
outer ear
middle ear
upper ear
lower ear
what is the function of eustachian tube in ear?
To balance the air pressure on both sides of eardrum
To add pressure on eardrum
prevent water go in your ear
what can you see on the outer layer of your tongue?
papillae
overnight dinner residue
still your tongue
papyrus
taste bud
List 5 types of tastes
(a)
layer of skin
epidermis
dermis
fat layer
tatoo
receptors
List out receptors in skin
pain receptor
cold receptor
heat receptor
pressure receptor
touch receptor
Which lens you use to correct astigmatism?
concave lens
convex lens
cylindrical lens
eye lens
which lens you use to correct near-sightedness?
convex lens
concave lens
cylindrical lens
organism that can hear 20Hz-20000Hz
human
bat
dog
cat
your mom
