ORGANIC & INORGANIC COMPOUNDS

Question 1

are made up of carbon, hydrogen, and oxygen (e.g., sugar, starches, and
cellulose) atoms.

Answer 1

Carbohydrates

Question 2

gives strength and protection to plant cells.

Answer 2

Cellulose

Question 3

are macromolecules such as fats, oils and waxes. They are made up of carbon,
hydrogen, and oxygen.

Answer 3

Lipids

Question 4

are made up of repeating units of amino acids. They are a component of the muscles
and all other tissues.

Answer 4

Proteins

Question 5

are proteins that act as catalysts (substances that can increase or speed up chemical
reaction).

Answer 5

Enzymes

Question 6

are carriers of hereditary information in living organisms. What an organism
looks like, and what it can do, are controlled by nucleic acids.

Answer 6

Nucleic Acids

Question 7

are substances necessary in very small amount for body growth and activity. They are
also needed to prevent certain diseases.

Answer 7

Vitamins

Question 8

characterized by the absence of carbon.

Answer 8

INORGANIC COMPOUNDS

Question 9

is the most abundant inorganic compound. It is the medium of transport for food, minerals and other substances in
living system.

Answer 9

Water

Question 10

supplies the carbon found in substances made by living things.

Answer 10

Carbon dioxide