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Quiz about Biochem Basics of Carbohydrates
Quiz about Biochem Basics of Carbohydrates

Biochem Basics of Carbohydrates Quiz


How much do you know about the biochemistry of sugars and carbohydrates?

A multiple-choice quiz by Cher40. Estimated time: 3 mins.
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Author
Cher40
Time
3 mins
Type
Multiple Choice
Quiz #
268,831
Updated
Dec 03 21
# Qns
10
Difficulty
Average
Avg Score
8 / 10
Plays
6682
Last 3 plays: Guest 93 (6/10), Rizeeve (10/10), Guest 175 (7/10).
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Question 1 of 10
1. Which of the following is a simple sugar or monosaccharide? Hint


Question 2 of 10
2. What is the molecular formula for glucose? Hint


Question 3 of 10
3. Maltose is composed of which two simple sugars? Hint


Question 4 of 10
4. What is the disaccharide milk sugar called? Hint


Question 5 of 10
5. What kind of sugars are found in the disaccharide sucrose? Hint


Question 6 of 10
6. What is the principal carbohydrate storage product in plants? Hint


Question 7 of 10
7. The supporting material in cell walls, wood, and dietary fibre are examples of what carbohydrate? Hint


Question 8 of 10
8. How is glucose stored in animals? Hint


Question 9 of 10
9. Which is NOT a carbohydrate? Hint


Question 10 of 10
10. When digesting a complex carbohydrate, water is added and simple sugars are obtained through which process? Hint



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quiz
Quiz Answer Key and Fun Facts
1. Which of the following is a simple sugar or monosaccharide?

Answer: Galactose

Galactose is a simple sugar. Sucrose, maltose, and lactose are all disaccharides or two simple sugars bonded together.
2. What is the molecular formula for glucose?

Answer: C6 H12 O6

Glucose is a 6-carbon sugar. CO2 is carbon dioxide. C12 H22 O11 is a disaccharide. C H3 OH is methanol or methyl alcohol.
3. Maltose is composed of which two simple sugars?

Answer: 2 glucose

Maltose, or malt sugar, is made from 2 glucose molecules bonded together. Glucose and galactose bonded together form lactose.
4. What is the disaccharide milk sugar called?

Answer: Lactose

Lactose is the disaccharide found in milk. It is made of the simple sugars galactose and glucose. Dextrose is another name for glucose, which are both simple sugars.
5. What kind of sugars are found in the disaccharide sucrose?

Answer: Glucose & fructose

Sucrose is a disaccharide composed of one glucose molecule bonded together with one fructose molecule. Sucrose is a common sugar. It is white table sugar and often the sugar found in fruit.
6. What is the principal carbohydrate storage product in plants?

Answer: Starch

Starch is the carbohydrate storage product in plants. Glycogen and cellulose are also polysaccharides (long chains of simple sugars). Glucose is a simple sugar and is not usually used for long term carbohydrate storage.
7. The supporting material in cell walls, wood, and dietary fibre are examples of what carbohydrate?

Answer: Cellulose

Cellulose is a carbohydrate used as supporting material in plants. Starch is the carbohydrate storage product in plants, and glycogen is carbohydrate storage in animals. Glucose is a simple sugar that is likely to be the building blocks in a polysaccharide.
8. How is glucose stored in animals?

Answer: As glycogen in liver & muscles

When animals need a quick supply of sugar for energy, glycogen in the liver and muscles is quickly converted to glucose.
9. Which is NOT a carbohydrate?

Answer: Protein

Proteins are a nutrient class separate from carbohydrates. Polysaccharide (a long chain of simple sugars), pentose (5-carbon sugar), and galactose (a simple 6-carbon sugar) are all carbohydrates.
10. When digesting a complex carbohydrate, water is added and simple sugars are obtained through which process?

Answer: Hydrolysis

Hydrolysis adds water to a long chain molecule, creating many smaller molecular building blocks. Condensation and dehydration synthesis are the opposite reaction of hydrolysis. Photosynthesis creates glucose from carbon dioxide and water using the sun's energy.
Source: Author Cher40

This quiz was reviewed by FunTrivia editor crisw before going online.
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