Biological Molecules: Carbohydrates

Question 1

These two elements are in every organic compound:

Answer 1

carbon and hydrogen

Question 2

Which of the following is TRUE about inorganic compounds?

A. A compound that contains a C-H bond.
B. A compound that does not contain a C-H bond but contains oxygen.
C. A compound that does not contain a C-H bond but contains carbon.
D. A compound that does not contain a C-H bond and doesn’t contain
Carbon.

Answer 2

C. A compound that does not contain a C-H bond but contains carbon.

Question 3

What type of carbohydrate is sucrose?

Answer 3

disaccharide

Question 4

What form must all carbohydrates be in for cells to use them as an energy
source?

Answer 4

glucose

Question 5

Why are carbohydrates the body’s preferred source of energy?

Answer 5

They can be used efficiently as fuel.

Question 6

To be classified as organic, which two elements must both be present??

A. C and O
C. C and H
B. H and O
D. N and H

Answer 6

C. C and H

Question 7

Which of the following compounds is inorganic?
A. CH4
C. CH2OH
B. NaCl
D. C6H12O6

Answer 7

B. NaCl

Question 8

Which of the following is a disaccharide?
A. fructose
C. glucose
B. maltose
D. galactose

Answer 8

B. maltose

Question 9

Which of the following is the stored form of a polysaccharide in liver and
muscle cells of human?

A. glycogen
C. glucose
B. starch
D. galactose

Answer 9

A. glycogen

Question 10

What happens to a person’s blood glucose level after eating?

Answer 10

C. It increases