What are monosaccharides?

Carbohydrates Quiz

Quiz
•
Other
•
8th Grade
•
Hard
Nee B
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compounds with four carbohydrate molecules
Compounds with two carbohydrate molecules
Compounds with one carbohydrate molecule
Compounds with three carbohydrate molecules
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a disaccharide?
Glucose
Fructose
Galactose
Sucrose
Answer explanation
Sucrose is a disaccharide composed of glucose and fructose. In contrast, glucose, fructose, and galactose are all monosaccharides, which are single sugar units.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is starch classified as?
Monosaccharide
Disaccharide
Polysaccharide
Simple sugar
Answer explanation
Starch is classified as a polysaccharide because it is a complex carbohydrate made up of long chains of glucose molecules. Unlike monosaccharides and disaccharides, which are simpler sugars, polysaccharides consist of many sugar units.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of carbohydrates in the body?
Building proteins
Energy production
Producing vitamins
Regulating temperature
Answer explanation
The primary function of carbohydrates in the body is energy production. They are broken down into glucose, which is used as a key energy source for cells, making this the correct choice over the other options.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which carbohydrate is formed during starch digestion?
Lactose
Maltose
Galactose
Dextrin
Answer explanation
During starch digestion, enzymes break it down into smaller units, primarily maltose, which is a disaccharide composed of two glucose molecules. Therefore, maltose is the correct carbohydrate formed.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to excess carbohydrates in the body?
They are turned into fats
They are excreted
They are stored as glycogen
They are converted into proteins
Answer explanation
Excess carbohydrates are primarily stored as glycogen in the liver and muscles. When glycogen stores are full, any additional carbohydrates can be converted into fats, but the immediate response is glycogen storage.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which carbohydrate is not sweet?
Fructose
Glucose
Starch
Sucrose
Answer explanation
Starch is a polysaccharide and does not have a sweet taste, unlike fructose, glucose, and sucrose, which are all simple sugars and sweet in flavor.
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