- 1(current)
Q. No.Read the given statements and select the correct option
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
| A: | White blood cells are enucleated and are relatively lesser in number which averages 6000-8000 mm-3 of blood |
| B: | Human heart is protected by a three walled membranous bag, pericardium |
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
Subtopic: Â Blood: General Description & RBC |
 54%
From NCERT
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| Assertion(A): | A decrease in lymphocyte count in the blood will lead to an increased susceptibility to infections. |
| Reason(R): | Lymphocytes are responsible for phagocytosis in innate immune response. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Blood: General Description & RBC |
From NCERT
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The principal solute, dissolved in the plasma portion of the blood as well as the extracellular fluid (ECF), amongst the following, will be:
1. haemoglobin
2. Na+
3. K+
4. albumin
1. haemoglobin
2. Na+
3. K+
4. albumin
Subtopic: Â Lymph |Â Blood: General Description & RBC |
 50%
From NCERT
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Q. No.
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