Practise MYP Biology questions on 4.7 Senses and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
In the auditory system, the __________ acts as the physical medium that moves to bend hair cells, facilitating the conversion of vibrations into electrical signals.
Which biological factor is a primary cause for two individuals having different physiological thresholds for detecting light intensity?
Where are olfactory receptors specifically located to detect airborne chemical molecules?
Which of the following explains how cultural background can lead to two people perceiving the same smell differently?
Which of the following is a psychological factor that explains why two people might perceive the exact same sensory signal differently?
ear canal
cochlear fluid
eardrum
vibrating air
The amount of saliva produced when observing objects
Differences in the length of the ear canal
The speed at which light waves travel before entering the eye
Variations in the number and distribution of photoreceptors in the retina
In the tongue
High in the nasal cavity
Inside the cochlea
On the surface of the skin
It prevents electrical signals from reaching the olfactory cortex
It changes the physical shape of the nasal cavity
It influences how the brain interprets the meaning of the sensory signal
It alters the total number of olfactory receptors present at birth
Number of rods in the retina
The speed of light
Blood pressure levels
Attention and emotion
