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Carbohydrates Chemistry

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What elements makeup carbohydrates?

a)

a. Carbon, hydrogen, nitrogen, oxygen

b)

b. sulfur, carbon, hydrogen

c)

c. glucose and fructose

d)

d. carbon, hydrogen, oxygen

2.

The categories of carbohydrates based on structural complexity are:

a)

a. Ketoses, disaccharide, starch

b)

b. Aldoses and ketoses

c)

c. glucose, maltose trehalose ,starch

d)

d. Monosaccharide, disaccharide, oligosaccharide, polysaccharide

3.

Which nutrient provides the body with the ready source of energy?

a)

a. Fats

b)

b. Protein

c)

c. Fiber

d)

d. Carbohydrates

4.

Which is not a chemical element needed to build sugars?

a)

a. Carbon

b)

b. Oxygen

c)

c.Hydrogen

d)

d.Nitrogen

5.

What is the function of a carbohydrate?

a)

a. Movement

b)

b. Stores genetic information

c)

c. Speeds up reactions

d)

d. Stores energy

6.

What type of carbohydrate is this?

a)

a. it isn't a carbohydrate

b)

b. monosaccharide

c)

c. disaccharide

d)

d. polysaccharide

7.

What are the building blocks of carbohydrates called?

a)

a. Disaccharides

b)

b. Polysaccharides

c)

c. Monosaccharides

d)

d. Amino Acids

8.

What does hydrolysis mean?

a)

a. breaking of water molecules

b)

b. Formation by water

c)

c. Splitting by water

d)

d. Getting rid of water molecules

9.

what is the storage(s) form of carbohydrate found in mammals?

a)

a. Glucose and glycogen

b)

b. starch

c)

c. Glycogen

d)

d. Fiber and glycogen

10.

The digestion of sucrose (table sugar) results in what two monosaccharides?

a)

a. Glucose and galactose

b)

b.

Maltose and glucose

c)

c. Fructose and glucose

d)

d. Galactose and fructose

11.

Lactose is found in....

a)

vegetables

b)

b. Milk

c)

c. Fruits

d)

d. All of the above

12.

Name a pentose sugar present abundantly in heart muscle

a)

a. Ribose

b)

b. Lyxose

c)

c. Ribulose

d)

d.Arabinose

13.

Sugar present in DNA is ___

a)

a. Ribose

b)

b. Deoxy Ribose

c)

c. Glucose

d)

d. No sugar is present in DNA

14.

Sugar present in RNA is ___

a)

a. Deoxy Ribose

b)

b. Ribose

c)

c. Glucose

d)

d. None

15.

In which organ Glycogen is stored in our body

a)

a. Both Liver and Pancreas

b)

b. Both liver and muscles

c)

c. Both Kidney and liver

d)

d. Muscles only

16.

____ is called carbohydrate though it is not a hydrate of carbon

a)

a. Deoxy ribose

b)

b. Acetic acid

c)

c. Glucose

d)

d. Di hydroxy acetone

17.

An unique carbohydrate found in bacterial cell wall is _____

a)

a. Peptidoglycan

b)

b. Pectin

c)

c. Cellulose

d)

d. All of the above

18.

The most abundant polysaccharide on Earth is ______

a)

a. Cellulose

b)

b. Starch

c)

c. Pectin

d)

d. Glycogen

19.

____ carbohydrate is found in exo sc.c. keleton of insects

a)

a. Chitin

b)

b. Peptidoglycan

c)

c. Pectin

d)

d. Inulin

20.

The 4 macromolecules are

a)

a. Carbohydrates, Lipids, Proteins, Nucleic Acids

b)

b. macronutrients, water, vitamins

c)

c. Lipids, Waxes, Vitamin A, Water

d)

d. vitamins, lipids, water, micronutrients