Food 2

Question 1

Ratio of hydrogen atoms to oxygen in a carbohydrates

Answer 1

2:1

Question 2

Structoral role of lipids

Answer 2

Phospholipids form part of the cell membrane

Question 3

Metabolic role of lipids

Answer 3

Release energy

Question 4

Fat soluble vitamin

Answer 4

D

Question 5

Name the test for proteins

Answer 5

Buiret reagent

Question 6

Test for reducing sugars

Answer 6

Benedicts/ fehlings solution

Question 7

Structural role of polysaccaride in plants

Answer 7

Cellulose

Question 8

Which other food test required the application of heat

Answer 8

Benedicts tesy for reducing sugars

Question 9

What is magnesium needed for

Answer 9

Chlorophyll

Question 10

Why is water required by living organisms

Answer 10

Transport substances

Provide medium for reactions to take place

Question 11

Metallic element present in haemoglobin

Answer 11

Iron

Question 12

Dietary deficiency of a named water soluble vitamin

Answer 12

Scurvy : bleeding gums

Question 13

Name a genetically linked disease

Answer 13

Courblindness

Question 14

Excessive secretion of an organism

Answer 14

Hyperthroidism : bulging eyes

Question 15

Disease caused by a virus

Answer 15

Aids: inhibility to fight infection

Question 16

Name a non metallic element found in proteins

Answer 16

Sulphur

Question 17

Metabolic role or proteins

Answer 17

Enzyme controlled reactions

Question 18

Biomolecular components of a lipid

Answer 18

Glycerol

Fatty acid

Question 19

Where would u find a phospholipid

Answer 19

Cell membrane