Indiana Science Grade 7

Chapter 5: Digestion, Respiration, and Excretion

Standardized Test Practice

1.
What is the main function of the system shown in the diagram? [465_STP_Questions_ta1]
A)remove undigested food from the digestive tract
B)break down food into nutrients body cells can use
C)deliver oxygen and nutrients to body cells
D)remove wastes from the blood
2.
Which structure in the diagram is made up of nephrons? [465_STP_Questions_ta1]
A)A
B)C
C)D
D)E
3.
Structure D points to a structure that holds urine until it leaves the body. What is the name of this structure? [465_STP_Questions_ta1]
A)urethra
B)ureter
C)bladder
D)kidney
4.
Which of the following is an organ of the digestive system?
A)diaphragm
B)kidney
C)kidney
D)salivary glands
5.
Which structures help the small intestine absorb nutrients during digestion?
A)villi
B)alveoli
C)bronchi
D)glomeruli
6.
Which of the following is not involved in excreting wastes from the body?
A)circulatory system
B)digestive system
C)respiratory system
D)skin
7.
Which of the following helps cushion internal body organs?
A)carbohydrates
B)lipids
C)proteins
D)vitamins
8.
According to the Food Guide Pyramid, which food group should you eat the most servings from each day?
A)milk, yogurt, and cheese group
B)meat, poultry, fish, beans, eggs, and nuts group
C)bread, cereal, rice, and pasta group
D)fruits and vegetables group
9.
During inhalation, which organ does air pass through after leaving the mouth?
A)larynx
B)trachea
C)pharynx
D)bronchi
10.
Which of the following is not linked to respiratory diseases?
A)smoking
B)inahaling polluted air
C)secondhand smoke
D)exercise
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