Arab Republic of Egypt -- Ministry of Education
Beni-suef Educational Directorate
Saint George International Schools
Biology Quarter (3) Exam Grade 12
Name: ____________________
Questions
Date: / /2022
40
Objectives
Acquired
Satisfactory
Not
Acquired
Part 1
8 points
❖ To be able to differentiate between
scientific words
❖ To be able to label
Part 2
12 points
❖ To be able to recall
Part 3
10 points
❖ To be able to identify and match
Part 4
10 points
Supervision
N
Observer’s name
Signature
1
2
1
Q1/Circle the best answer
1. What are the components of the nervous system?
A. Neuron, axon, myelin sheath, organs
B. Neuron, axon, dendrite, myelin sheath, brain, feet
C. Neuron, axon dendrite, myelin sheath, brain, spinal cord, sensory and motor nerves
D.Neuron, axon, brain, outside world, organs
2. What are the two divisions of the nervous system?
A. Central and peripheral
B. Motor and sensory
C. Central and functional
D. Sympathetic and parasympathetic
3. What is the function of the nervous system?
A. Regulates the internal environment
B. Controls and organizes all body activities
C. Sends signals from one cell to the other or part of the body to another
D. All of the above
2
4. What is a disease that affects the nervous system?
A. Epilepsy
B. Arthritis
C. Both b and d
D. Cancer
5. What do spinal cord injuries usually lead to?
A. Deep state of unconsciousness
B. Not enough dopamine
C. Paralysis
D. None of the above
6. What are the two effects of aging with the nervous system?
A. Slowed conduction times
B. Memory changes
C. Both a and b
7-Why does a person with slowed conduction times have an increased risk of
falling and other household accidents.?
A. Amount of impulses decreases
B. They are less careful
C. They want to fall
D-They need help
3
8-.Describe what happens at the synapse
A-Absorption of neurotransmitter
B-interpreting of impulse C-storing of
neurotransmitter
Q2/ LABEL Part 1
4
Part 2
Part 3
Identify each type of skin receptor
…………………………………………………..
5
……………………………………………………….
…………………………………………………………..
……………………………………………………………….
6
Q3 / Decide if the statements are TRUE or FALSE
1.A drug is a substance, natural or artificial (
)
2.Nicotine decreases the amount of dopamine released into a synapse (
3.Alcohol are depressants.(
)
4.Inhalants work by acting as a excitatory on the central nervous system(
5.THC binds to the brain’s neuron receptors.(
)
6.Threshold the maximum strength of a stimulus that causes an action
potential to be generated (
)
7.Schizophrenia arises from hypoactive dopamine system(
)
8.One of surplus effect of dopamine is Severe muscle spasms(
)
9.Amphetamines and cocaine both increase dopamine levels(
)
10.Amphetamines prevent dopamine from being reabsorbed in the synaptic
area(
)
)
7
)
Q4-Match the term with the definition
A-Action Potential
(
) The minimum stimulus to cause an action
B-Threshold
(
)Change in sodium potassium concentration in the neuron
C-Nodes
(
) increase the speed of the impulse along the axon.
(
)Movement from area of high concentration to low
D-Neurotransmitters
E-synapse.
F-Diffusion
concentration.
G-Hypothalamus
(
) carry impulses to motor organs
H-Sensory neuron
(
) send impulses from receptors in the skin and sense organs
I-Pons
to the brain and spinal cord.
O-Interneurons neuron
(
) chemicals that diffuse across a synapse
K-Medulla oblongata
(
) small gap between the axon of one neuron and the
dendrite of another neuron
(
) relays signals between the brain and the spinal cord.
(
) regulates body temperature, thirst,
GOOD LUCK
8