Biology Quiz on Systems and Taxonomy

Which enzyme in saliva begins the digestion of starch?

• Amylase

• Lipase

• Pepsin

• Trypsin

Food is pushed down the esophagus through a process called:

• Diffusion

• Peristalsis

• Filtration

• Digestion

The main site of nutrient absorption in the digestive system is the:

• Stomach

• Large intestine

• Small intestine

• Esophagus

Which organ produces bile that helps break down fats?

• Stomach

• Pancreas

• Liver

• Gallbladder

The gallbladder's role in digestion is to:

• Produce bile

• Store bile

• Neutralize acid

• Absorb fat

Which part of the digestive system absorbs most of the water from food?

• Stomach

• Small intestine

• Large intestine

• Rectum

Which of the following is not a digestive enzyme?

• Amylase

• Lipase

• Pepsin

• Hemoglobin

What prevents food from entering the windpipe?

• Uvula

• Epiglottis

• Trachea

• Tongue

Protein digestion begins in the:

• Mouth

• Stomach

• Small intestine

• Large intestine

Which part of the digestive system stores undigested food until excretion?

• Rectum

• Appendix

• Colon

• Pancreas