Biology Grade 10
Term 3 Diagnostic Test
Name of Student: _____________________________
Multiple Choice
1. Which of these secrete a hormone that regulates the rate of metabolism in the body?
A. Spleen
B. Cerebrum
C. Thyroid
D. Kidney
2. A signal that the bladder is full is sent to the central nervous system by the…?
A. Feedback loop
B. Sensory neurons
C. Nephron tubules
D. Receptor proteins
3. The sensor that monitors and responds to changes in the environment is called…
A. Control center
B. Receptor
C. Effector
D. Receiver
4. Which is the correct path that a nerve will follow in a reflex arc?
A. Motor neuron → 𝑖𝑛𝑡𝑒𝑟𝑛𝑒𝑢𝑟𝑜𝑛 → sensory neuron
B. Interneuron → 𝑚𝑜𝑡𝑜𝑒𝑟 𝑛𝑒𝑢𝑟𝑜𝑛 → sensory neuron
C. Motor neuron → 𝑠𝑒𝑛𝑠𝑜𝑟𝑦 𝑛𝑒𝑢𝑟𝑜𝑛 → motor neuron
D. sensory neuron → 𝑖𝑛𝑡𝑒𝑟𝑛𝑒𝑢𝑟𝑜𝑛 → motor neuron
5. What is characteristic of the sympathetic division of the autonomic system?
A. Stimulate digestion
B. Dilates the bronchi
C. Slows the heart rate
D. Converts glucose to glycogen
6. Which nervous system is the hypothalamus most involved in regulating?
A. Voluntary
B. Peripheral
C. Sensory
D. Autonomic
7. If there was a power outage in a movie theatre and only a few dim emergency lights were lit,
which cells of the retina would be most important for seeing your way to the exit?
A. Rods
B. Cones
C. Cones and rods are equally important
8. Which represents the correct sequence as sound waves travel in the ear to trigger an
impulse?
A. Cochlea, incus, stapes, eardrum
B. Tympanum , bones in the middle ear, cpchlea, hair cells
C. Auditory canal, tympanum, hair cells, cochlea
D. Hair cells, auditory canal, cochlea, malleus
9. With which sense are free nerve endings associated with?
A. Taste
B. Touch
C. Hearing
D. Sight
Use the diagram to answer question 10
10. If the portion indicated by the arrow were damaged as a result of trauma, what effect would
this person likely experience?
A. Rapid breathing
B. Partial or complete memory loss
C. Body temperature fluctuations
D. Trouble maintaining balance