PTS Biology Mcqs Online Test 5

PTS Biology Mcqs Online Test 5 Preparation Question Answer

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!

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

 

6
16
26
15

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!

Blood is carried towards the heart by __________?

 .

Arteries .
Capillaries
Veins
none of these

Correct!

Wrong!

__ is essential for the formation of hemoglobin?

 

Calcium
Iron
Water
Carbohydrates

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!

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

 

Calcium
Iron
Water
Carbohydrates

Correct!

Wrong!

Haemodialysis means cleaning of?

 

Urine
Blood
Glomerular filterate
Coelomic fluid

Correct!

Wrong!

Oxygen accounts for ____ % of totals human body mass?

 

65%
18%
10%
3%

Correct!

Wrong!

Which one of them is a micro-molecule?

 

Polysaccharide
Protein .
Hemoglobin
ATP

Correct!

Wrong!

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