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Important Elements in Human Body

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which Element is the most abundant in the body among the following?

a)

Hydrogen

b)

Nitrogen

c)

Phosphorus

d)

Calcium

2.

Which type of Macromolecule can be found in a human cell?

a)

Proteins

b)

Carbohydrates

c)

Lipids

d)

Proteins + Lipids

e)

All types

3.

How many Carbon atoms does glucose contain?

a)

8

b)

6

c)

10

d)

12

4.

Our muscles are mainly made of _______?

a)

Proteins

b)

Carboohydrates

c)

Lipids

d)

Sugar

5.

Organic material have a plant or an animal origin. Is water organic or Inorganic substance?

a)

Organic

b)

Inorganic

6.

(a)   is the most abundant element in human body.

7.

Organic compounds that form all living bodies are made of three main elements, Hydrogen, Oxygen, and (a)  

8.

Phosphorus represents 1% of total body mass, yet it is an important element because ___________________

a)

Phosphorus build up muscles

b)

Phosphorus is needed to carry oxygen in the blood

c)

It is an element in DNA and ATP that are needed by all body cells.

d)

It gives the body strength and present mainly in bones.

9.

Which element is not present in Carbohydrates?

a)

C

b)

H

c)

N

d)

O

10.

Enzymes in the cell are ________

a)

Proteins

b)

Lipids

c)

Carbs

d)

Salts