The life span of the erythrocytes in humans is about

1.  120 days

2.  150 days

3.  190 days

4.  180 days

Subtopic:  Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 97%
From NCERT
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_________ is known as the graveyard of RBCs.

1.  Liver

2.  Spleen

3.  Pancreas

4.  Bone marrow 

Subtopic:  Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 98%
From NCERT
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Haemoglobin is

(1) an oxygen carrier in human blood

(2) a protein used as food supplement

(3) an oxygen scavenger in root nodules

(4) a plant protein with high lysine content

Subtopic:  Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 96%
From NCERT
AIIMS - 2012
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The transport of respiratory gases is taken care by which blood component?

(1) RBC

(2) WBC

(3) Platelets

(4) Fibrinogen

Subtopic:  Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 95%
From NCERT
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Oxygen carrier in human blood is 

1.  Carbonic anhydrase

2.  Haemoglobin

3.  Haemocyanin

4.  Both (1) & (3) 

Subtopic:  Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 92%
From NCERT
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The number of RBC in a healthy individual are:

(1) 5 million to 5.5 million RBCs

(2) 5 billion to 5.5 billion RBCs

(3) 1 million to 1.5 million RBCs

(4) 1 billion to 1.5 billion RBCs

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 94%
From NCERT
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Serum differs from blood in 

(1) lacking globulins

(2) lacking albumins

(3) lacking clotting factors

(4) lacking antibodies

 

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 93%
From NCERT
NEET - 2016
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B and T forms, responsible for the immune response are the type of:

(1) Thrombocytes

(2) Lymphocytes

(3) Eosinophils

(4) Granulocytes

Subtopic:  Blood: General Description & RBC |
 93%
From NCERT
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Hemoglobin in healthy individual:

(1) 12–20 g/10 mL of blood

(2) 12–14 g/100 mL of blood

(3) 12–30 g/10 mL of blood

(4) 12–14 g/10 mL of blood

Subtopic:  Blood: General Description & RBC: Part 2 | Blood: General Description & RBC |
 90%
From NCERT
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How much percentage of water present in plasma?

1. 6-8%

2. 90-92%

3. 8-10%

4. 55%

Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 90%
From NCERT
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