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Prentice Hall Biology

Chapter 38: Digestive and Excretory Systems

TAKS Practice Test

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(TAKS 2, Bio TEKS 10A.2)
1. The digestive organ that absorbs most of the nutrients is the
A gall bladder.
B large intestine.
C small intestine.
D stomach.

(TAKS 2, Bio TEKS 10A.10)
2. The kidneys help regulate the blood's
F volume and pH.
G sugar concentration.
H protein concentration.
J cell concentration.

(TAKS 2, Bio TEKS 10A.2)
3. Partially digested food passes from the stomach into the
A pancreas.
B small intestine.
C large intestine.
D gall bladder.

(TAKS 2, Bio TEKS 10A.2)
4. Food is moved through the digestive system by
F absorption.
G peristalsis.
H chemical digestion.
J mechanical digestion.

(TAKS 2, Bio TEKS 10A.2)
5. The primary job of the large intestine is to
A absorb sugars from digested food.
B absorb minerals from digested food.
C remove wastes from digested food.
D remove water from digested food.

(TAKS 2, Bio TEKS 10A.2)
6. The stomach is important mostly in the digestion of
F proteins.
G fats.
H carbohydrates.
J vitamins.

(TAKS 2, Bio TEKS 10A.10)
7. Which of the following is NOT an excretory organ?
A lungs
B skin
C kidneys
D small intestine

(TAKS 2, Bio TEKS 10A.10)
8. Which process determines what substances remain in the blood after it passes through the kidney?
F reabsorption
G filtration
H circulation
J peristalsis

(TAKS 2, Bio TEKS 10A.2)
9. The first digestive enzymes that act on food are produced by the
A tongue.
B stomach.
C salivary glands.
D esophagus.

10. The bubbling over of a bottle of soda pop after it has been opened demonstrates which of the following statements?
F Gases are more soluble at higher temperatures.
G Gases are less soluble at higher temperatures.
H Gases are more soluble at lower pressures.
J Neither pressure nor temperature affects the solubility of a gas.