- 1(current)
Q. No.Read the given statements carefully:
How many of the given statements are correct?
1. Three
2. Four
3. Two
4. One
| A. | RBCs are devoid of nucleus in most of the mammals and are biconvex in shape. |
| B. | Lymph has the same mineral distribution as that in plasma. |
| C. | By counting the number of QRS complexes in ECG that occur in a given time period, one can determine the heartbeat rate of an individual. |
| D. | Heart is an endodermally derived organ. |
1. Three
2. Four
3. Two
4. One
Subtopic: Â Human Heart: Gross Anatomy |Â ECG & Coronary Artery Disease |Â Lymph |Â Blood: General Description & RBC |
 61%
From NCERT
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Hints
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Read the given statements and select the correct option.
Statement-A : Though the human heart is autoexcitable, its functions can be moderated by both neural and hormonal mechanisms.
Statement-B : Lymph is almost similar to blood except for the protein content and the formed elements.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is incorrect
4. Only statement B is incorrect
Statement-A : Though the human heart is autoexcitable, its functions can be moderated by both neural and hormonal mechanisms.
Statement-B : Lymph is almost similar to blood except for the protein content and the formed elements.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is incorrect
4. Only statement B is incorrect
Subtopic: Â Lymph |Â Regulation of Cardiac Activity |
 78%
From NCERT
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Hints
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Assertion (A): Lymph consists of WBCs, plasma proteins and RBCs.
Reason: (R): Lymph lack cells.
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. Both (A) and (R) are false.
Reason: (R): Lymph lack cells.
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. Both (A) and (R) are false.
Subtopic: Â Lymph |
 83%
From NCERT
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Hints
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Assertion (A): Lymph is called the 'middle man' of body.
Reason (R): Exchange of nutrients, gases and other materials between blood and the cells always occur through this fluid.
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. Both (A) and (R) are false.
Reason (R): Exchange of nutrients, gases and other materials between blood and the cells always occur through this fluid.
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. Both (A) and (R) are false.
Subtopic: Â Lymph |
 87%
From NCERT
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Hints
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- 1(current)
Q. No.
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