Grade 8 Biology Review: Multiple Choice End of Semester II Exam

Grade 8 Biology Review: Multiple Choice End of Semester II Exam

Question 1: In humans, which part is located between the brainstem and the cerebrum?

a. Spinal cord

b. Nerve ganglion

c. Diencephalon

d. Cerebellum

Answer: c. Diencephalon

Question 2: Located directly behind the brainstem is the

a. Midbrain

b. Cerebrum

c. Cerebellum

d. Medulla oblongata

Answer: c. Cerebellum

Question 3: Which part of the brain connects directly to the spinal cord?

a. Diencephalon

b. Midbrain

c. Pons

d. Medulla oblongata

Answer: d. Medulla oblongata

Question 4: Which of the following structures is not included in the brainstem?

a. Medulla oblongata

b. Pons

c. Midbrain

d. Cerebellum

Answer: d. Cerebellum

Question 5: Which of the following parts is made up of white matter on the outside and gray matter on the inside?

a. All of the above

b. Brainstem

c. Cerebellum

d. Cerebrum

Answer: b. Brainstem

Question 6: Where is the visual cortex located in the cerebral cortex?

a. Occipital lobe

b. Temporal lobe

c. Parietal lobe

d. Frontal lobe

Answer: a. Occipital lobe

Question 7: In humans, which of the following functional areas is located in the frontal lobe?

a. Taste area

b. Language comprehension area

c. Language motor area

d. Auditory area

Answer: c. Language motor area

Question 8: Which of the following statements about the structure of the cerebrum is correct?

a. Gray matter surrounds the outside, white matter is located inside

b. Gray matter surrounds the outside, white matter is located inside, forming soft nuclei

c. White matter surrounds the outside, gray matter is located inside

d. White matter surrounds the outside, gray matter is located inside, forming soft nuclei

Answer: a. Gray matter surrounds the outside, white matter is located inside

Question 9: Choose the appropriate number to fill in the blank in the following sentence: In humans, more than … of the surface of the cerebral cortex is located in the folds and grooves.

a. 4/5

b. 3/4

c. 2/3

d. 5/6

Answer: c. 2/3

Question 10: Most of the pathways connecting the cerebral cortex to the lower parts of the brain cross over at

a. The medulla oblongata or spinal cord

b. The diencephalon or brainstem

c. The spinal cord or cerebellum

d. The cerebellum or midbrain

Answer: a. The medulla oblongata or spinal cord

Question 11: Myopia is

a. A condition where the two eyes are too close together

b. A condition where the eyes are unable to see near objects

c. A condition where the eyes can only see near objects

d. A condition where the eyes can only see far objects

Answer: c. A condition where the eyes can only see near objects

Question 12: Hyperopia is commonly found in

a. Fetuses

b. Children

c. Elderly people

d. Young adults

Answer: c. Elderly people

Question 13: Which of the following can cause hyperopia?

a. An excessively long eyeball

b. An excessively short eyeball

c. Aging of the lens

d. Frequent viewing of objects at very close distances

Answer: b and c

Question 14: What causes myopia?

a. An excessively long eyeball

b. An excessively short eyeball

c. Aging of the lens

d. Frequent viewing of objects at very close distances

Answer: a and d

Question 15: To correct myopia, one should wear

a. Sunglasses

b. Magnifying glass

c. Converging lenses

d. Diverging lenses

Answer: d. Diverging lenses

Question 16: Which of the following is a characteristic of an unconditioned reflex?

a. It is individual, not hereditary

b. Its center is located in the brainstem and spinal cord

c. It easily disappears when not reinforced

d. Its number is unlimited

Answer: b. Its center is located in the brainstem and spinal cord

Question 17: Which of the following is a characteristic of a conditioned reflex?

a. It involves the formation of a temporary neural connection

b. It has a simple reflex arc

c. It is innate

d. It is stable over time

Answer: a. It involves the formation of a temporary neural connection

Question 18: Which of the following is a conditioned reflex?

a. Running away when there is a fire alarm

b. Getting goosebumps when exposed to cold wind

c. Sweating when exercising excessively

d. Withdrawing your hand when touching something hot

Answer: a. Running away when there is a fire alarm

Question 19: Which of the following reflexes does not involve the control of the cerebral cortex?

a. Increased heart rate when seeing a rabid dog running towards you

b. Blue lips when it’s cold

c. Switching to a different road when you see a traffic jam

d. Lining up to buy goods

Answer: b. Blue lips when it’s cold

Question 20: Which of the following reflexes can be lost if not regularly reinforced?

a. Withdrawing your leg when pricked by a pin

b. Waking up when you hear the alarm clock

c. Flushing when drinking alcohol

d. Sweating when doing strenuous labor

Answer: b. Waking up when you hear the alarm clock

Question 21: Which of the following glands has both exocrine and endocrine functions?

a. Parathyroid gland

b. Pituitary gland

c. Adrenal gland

d. Gonads

Answer: d. Gonads

Question 22: Which of the following endocrine glands is located in the head?

a. Pineal gland

b. Pancreas

c. Thymus

d. Thyroid gland

Answer: a. Pineal gland

Question 23: Which of the following gland secretions does not travel through a duct system?

a. Salivary gland

b. Mammary gland

c. Thyroid gland

d. Sweat gland

Answer: c. Thyroid gland

Question 24: What is the name of the secretion of an endocrine gland?

a. Antigen

b. Hormone

c. Enzyme

d. Antibody

Answer: b. Hormone

Question 25: Glucagon hormone only functions to increase blood sugar levels, it does not have other functions. This example shows which property of a hormone?

a. Specificity

b. Generality

c. Species specificity

d. Invariance

Answer: a. Specificity

Question 26: How many hours should an adult sleep each day?

a. 5 hours

b. 8 hours

c. 9 hours

d. 11 hours

Answer: b. 8 hours

Question 27: Which of the following drinks is harmful to the nervous system?

a. Mineral water

b. Filtered water

c. Alcohol

d. Passion fruit smoothie

Answer: c. Alcohol

Question 28: Which of the following drinks should you avoid at night to help you fall asleep easily?

a. Coffee

b. Artichoke tea

c. Pennywort water

d. Mineral water

Answer: a. Coffee

Question 29: To protect the nervous system, we should keep in mind the following:

a. All of the above

b. Keep your mind at ease

c. Establish a reasonable work and rest schedule

d. Ensure adequate sleep each day to restore the nervous system after a stressful work period

Answer: a. All of the above

Question 30: To get a good night’s sleep, we can apply the following methods:

a. Take a warm bath before bed

b. Exercise regularly

c. Listen to soothing music

d. All of the above

Answer: d. All of the above