North Carolina Science Grade 7

Chapter 7: Nutrients and Digestion

Nutrients and Digestion

Your Results:

The correct answer for each question is indicated by a .

1.			Which of these foods provides all of the essential amino acids your body needs? Need a Hint?
			A)	eggs
			B)	pasta
			C)	peas
			D)	apples
2.			__________ are the waves of muscle contractions that move food through the digestive tract. Need a Hint?
			A)	Chyme
			B)	Peristalsis
			C)	An enzyme
			D)	Chemical digestion
3.			The part of the digestive process that takes the longest amount of time happens in which organ? Need a Hint?
			A)	the large intestine
			B)	the kidneys
			C)	the esophagus
			D)	the mouth
4.			Which of these can be found in the stomach? Need a Hint?
			A)	hydrochloric acid
			B)	wastes
			C)	amylase
			D)	lipids
5.			Which of these is a simple carbohydrate? Need a Hint?
			A)	honey
			B)	cheese
			C)	meat
			D)	pasta
6.			Which of these is true? Need a Hint?
			A)	Lipids keep your digestive system running smoothly.
			B)	Lipids are inorganic nutrients.
			C)	Lipids help cushion your internal organs.
			D)	Lipids provide essential amino acids.
7.			Which food group contains yogurt and cheese? Need a Hint?
			A)	milk
			B)	fats
			C)	bread and cereal
			D)	fruit
8.			Which of these is an accessory organ to the digestive system? Need a Hint?
			A)	the small intestine
			B)	the rectum
			C)	the salivary glands
			D)	the stomach
9.			Which of these is an inorganic nutrient? Need a Hint?
			A)	carbohydrate
			B)	pasta
			C)	water
			D)	vitamin D
10.			Which of these is part of the digestive tract? Need a Hint?
			A)	the bladder
			B)	the esophagus
			C)	the nose
			D)	the pancreas
11.			What is the shape of your stomach when empty? Need a Hint?
			A)	a fist
			B)	a tube
			C)	a funnel
			D)	a sausage
12.			What does your body need to maintain a steady internal temperature? Need a Hint?
			A)	chyme
			B)	teeth
			C)	bacteria
			D)	energy
13.			How many amino acids CANNOT be made in your body? Need a Hint?
			A)	8
			B)	20
			C)	100
			D)	0
14.			Which vitamin does your body make when your skin is exposed to sunlight? Need a Hint?
			A)	vitamin B
			B)	vitamin K
			C)	vitamin D
			D)	vitamin A
15.			What covers your windpipe to prevent food from entering it? Need a Hint?
			A)	the duodenum
			B)	the gallbladder
			C)	the epiglottis
			D)	the stomach
16.			What food group is at the top of the food pyramid? Need a Hint?
			A)	fats, oils, and sweets
			B)	bread and cereal
			C)	meat and beans
			D)	vegetables and fruit
17.			Which digestive tract organ absorbs water from undigested food? Need a Hint?
			A)	the stomach
			B)	the epiglottis
			C)	the large intestine
			D)	the pancreas
18.			Which of these is a complex carbohydrate? Need a Hint?
			A)	milk
			B)	eggs
			C)	bananas
			D)	beans
19.			What occurs when you chew food with your teeth? Need a Hint?
			A)	chemical digestion
			B)	mechanical digestion
			C)	peristalsis
			D)	homeostasis
20.			Bananas and nuts are a source of what mineral? Need a Hint?
			A)	iron
			B)	potassium
			C)	phosphorus
			D)	iodine

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