Sensitive skin has
I.  a thinner epidermis
II.  more receptors
III.  more fats under the dermis

• I and II
• I and III
• II and III
• i, II and III

The correct sequence of smell mechanism is 

• PRSTQ
• PRTSQ
• PTRSQ
• PSTRQ

Which is touch receptor?

• p
• q
• s
• t

Ali gets bacterial infection in semicircular canal. Ali will experience 

• permanently deaf
• temporarily deaf
• Cannot stand up
• blind

Observe the diagram. Lines PQ and RS  do not appear straight. What is the type of limitation of sight involved?

• Shortsigtedness
• astigmatism
• optic illusion
• Blind spot

The vibration of the oval window cause the receptors in the .......... to vibrate and shaking up the tiny hair of the sensory cells. When the sensory nerve cells are stimulated, they generate nerve impulses .

• cochlea 
• ossicles
• eardrum
• ear canal

Which part of the eyes will enlarge when we enter dark room a bright place?

• R
• S
• T

Which statement is true about light and sound?

• Both can be reflected
• Both are a matter 
• Both can move through vacuum 
• Both are produced by vibrations 

The following are responses shown by plants. Which responses are classified as tropisms? 
P : Tendrils of a cucumber plant curl around a support
Q : Roots of a maize plant grow downwards
R : Shoots of a balsam plant bend towards sunlight
S : Leaves of a mimosa plant fold inwards when being touched

• P and Q
• P,Q and R
• P,Q,R and S
• P,R and S

Which of the following involves reflection of light? 

• Focusing of light onto the retina 
• Correcting short-sightedness 
• Using a rear-view mirror of a car 
• Using a magnifying glass