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Q. No.Identify the incorrect statement:
1.
Mollusks and arthropods have closed circulatory system
2.
All vertebrates possess a muscular chambered heart
3.
In fishes, the heart pumps out deoxygenated blood
4.
The left atrium receives oxygenated blood in amphibians and reptiles
Subtopic: Human Heart: Double Circulation |
83%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | RBCs are devoid of nucleus in humans and are biconcave in shape and in all other mammals have nucleus and are spherical in shape. |
| Statement II: | RBCs have an average life span of 120 days after which they are destroyed in the spleen (graveyard of RBCs). |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Blood: General Description & RBC |
70%
From NCERT
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Regarding ABO grouping:
1. only a and b are correct
2. only c and d are correct
3. a, b, c, and d are correct
4. a, b, c, and d are incorrect
| a. | the blood type is decided by the presence or absence of two surface antibodies on the RBCs namely anti-A and anti-B. |
| b. | the plasma of different individuals contain two natural antigens. |
| c. | a person with blood group A can receive blood either from a person with blood group O or from a person with blood group AB. |
| d. | a person with blood group A can donate blood either to a person with blood group O or to a person with blood group A. |
2. only c and d are correct
3. a, b, c, and d are correct
4. a, b, c, and d are incorrect
Subtopic: Blood: Blood Group (A,B,O) |
60%
From NCERT
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The action potential is conducted to the ventricular side by:
1. the AVN and AV bundle.
2. the SAN and Internodal pathway.
3. the SAN and AV bundle.
4. the AVN and Internodal pathway.
1. the AVN and AV bundle.
2. the SAN and Internodal pathway.
3. the SAN and AV bundle.
4. the AVN and Internodal pathway.
Subtopic: Human Heart: Cardiac Cycle |
70%
From NCERT
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What will be true if we compare the anatomy of a typical artery and a typical vein in human body?
1. The pressure of blood in vein will be higher.
2. The tunica media is comparatively thin in the veins.
3. The colour of the blood will be blue in a vein.
4. The venous RBC will have a lower chloride content.
1. The pressure of blood in vein will be higher.
2. The tunica media is comparatively thin in the veins.
3. The colour of the blood will be blue in a vein.
4. The venous RBC will have a lower chloride content.
Subtopic: Human Heart: Double Circulation |
87%
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: Lymph | Blood: General Description & RBC |
51%
From NCERT
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Which vitamin plays a crucial role in the maturation of red blood cells in humans?
| 1. | Thiamine | 2. | Vitamin K |
| 3. | Ascorbic acid | 4. | Cyanocobalamin |
Subtopic: DISORDERS OF CIRCULATORY SYSTEM |
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If you examine the blood film of a normal person, which of the following WBCs is least likely to be seen?
| 1. | neutrophils | 2. | eosinophils |
| 3. | basophils | 4. | lymphocytes |
Subtopic: Blood: White Blood Cells |
82%
From NCERT
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Interstitial fluid:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | has the same mineral distribution as that in plasma. |
| II: | has more protein than that in plasma. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Lymph |
76%
From NCERT
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What event occurs during the joint diastole in the human heart?
1. Opening of AV valves
2. Closure of AV valves
3. Opening of semilunar valves
4. Closure of semilunar valves
1. Opening of AV valves
2. Closure of AV valves
3. Opening of semilunar valves
4. Closure of semilunar valves
Subtopic: Human Heart: Cardiac Cycle |
55%
From NCERT
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