additional life processes harder

Question 1

A lack of this vitamin may result in beriberi (fatigue and lack of energy).

Answer 1

B1 (can be found in meat and cereals).

Question 2

A lack of this vitamin may result in night blindness.

Answer 2

A (can be found in orange fruit and vegetables).

Question 3

A lack of this vitamin may result in scurvy (bleeding gums and skin).

Answer 3

C (found in citrus fruits).

Question 4

A lack of this vitamin may result in rickets (soft, weak and bendy bones).

Answer 4

D (can be found in dairy products and sunlight).

Question 5

Test for starch and colour change:

Answer 5

Iodine; brown to black.

Question 6

Test for sugar and colour change:

Answer 6

Benedict’s; blue to red.

Question 7

Test for protein and colour change:

Answer 7

Biuret; blue to purple.

Question 8

Test for fats and colour change:

Answer 8

Ethanol; cloudy emulsion forms.