Biology Mcqs Online Test 5

Biology Mcqs Online Test 5 Preparation Question Answer

Haemodialysis means cleaning of?

 

Urine
Blood
Glomerular filterate
Coelomic fluid

Correct!

Wrong!

_____ are needed as a source of energy for the vital activities of the body?

 

Calcium
Iron
Water
Carbohydrates

Correct!

Wrong!

Out of 92 naturally occurring chemical elements how many are considered as bio-elements?

 

6
16
26
15

Correct!

Wrong!

A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:

 

An organ
An organism
A Tissue
A Cell

Correct!

Wrong!

The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:

 

An organ
A molecule
Tissue
Both a and c

Correct!

Wrong!

The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?

 

Environmental biology
Social biology
Human biology
Both b and c

Correct!

Wrong!

Oxygen accounts for ____ % of totals human body mass?

 

65%
18%
10%
3%

Correct!

Wrong!

Blood is carried towards the heart by __________?

 .

Arteries .
Capillaries
Veins
none of these

Correct!

Wrong!

Which one of them is a micro-molecule?

 

Polysaccharide
Protein .
Hemoglobin
ATP

Correct!

Wrong!

__ is essential for the formation of hemoglobin?

 

Calcium
Iron
Water
Carbohydrates

Correct!

Wrong!

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