WorksheetsChapter 21: lesson 1
Total questions: 14
Worksheet time: 8mins
What are inorganic compounds?
Substances that contain carbon-hydrogen bonds
Substances that do not contain carbon-hydrogen bonds
Substances that contain only carbon atoms
Substances that contain only hydrogen atoms
What is an ion?
An atom with a neutral charge
An atom with a positive or negative charge
An atom with a full outer shell
An atom with more neutrons than protons
Why is water referred to as the universal solvent?
Because it is a liquid
Because it is non-polar
Because it dissolves many substances
Because it is a gas
Why is water a great solvent?
Because of its color
Because of its temperature
Because of its polarity
Because of its density
What does the term "organic" describe in chemistry?
Compounds that contain carbon
Compounds that contain only hydrogen and oxygen
Compounds that are formed by ionic bonds
Compounds that do not contain carbon
Which of the following is NOT one of the four macromolecules of the body?
Carbohydrates
Lipids
Proteins
Vitamins
What is the main energy source for the body?
Proteins
Carbohydrates
Fats
Vitamins
What is one of the functions of lipids in the human body?
They help in the digestion of proteins.
They provide insulation
They provide structure to bones.
They are responsible for oxygen transport in blood.
How do lipids contribute to body temperature regulation?
They increase blood flow.
They help insulate the body.
They produce sweat.
They regulate heart rate.
What percentage of the adult human body is made of protein?
5-10%
10-20%
20-30%
30-40%
What are the building blocks of proteins?
Lipids
Carbohydrates
Amino acids
Nucleic acids
What are nucleic acids?
Proteins that store energy
Macromolecules that store information
Lipids that form cell membranes
Carbohydrates that provide energy
What are the two types of nucleic acids?
DNA and RNA
ATP and ADP
Glucose and Fructose
Protein and Synthesis
The body is made of (a) which are made of (b) which are made of (c)
