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Q3:
Match Column I with Column II :
Column I Column II
(a) Eosinophils (i) Coagulation
(b) RBC (ii) Universal Recipient
(c) AB Group (iii) Resist Infections
(d) Platelets (iv) Contraction of Heart
(e) Systole (v) Gas transport
Match Column I with Column II :
Column I Column II
(a) Eosinophils (i) Coagulation
(b) RBC (ii) Universal Recipient
(c) AB Group (iii) Resist Infections
(d) Platelets (iv) Contraction of Heart
(e) Systole (v) Gas transport
Solution :
Step 1: Functional Analysis of Cellular and Physiological Components
To accurately match the provided terms, we must examine the physiological role of each biological component within the human circulatory system:
- (a) Eosinophils: These are a type of granulocyte leukocyte. Their primary function is to resist parasitic infections and participate in allergic reactions by releasing chemicals [Per immunological studies of innate immunity].
- (b) RBC (Red Blood Cells/Erythrocytes): These cells contain the metalloprotein hemoglobin, which is specialized for the transport of $O_2$ and $CO_2$ between the lungs and tissues [Per the gas exchange physiological model].
- (c) AB Group: Blood group AB individuals possess both A and B antigens on the surface of their erythrocytes and lack anti-A and anti-B antibodies in their plasma, allowing them to receive blood from all other groups [Per the Landsteiner classification system].
- (d) Platelets (Thrombocytes): These are cell fragments involved in hemostasis. They release substances that trigger the clotting cascade (coagulation) to prevent blood loss upon vascular injury [Per the coagulation cascade theory].
- (e) Systole: This term describes the phase of the cardiac cycle characterized by the contraction of the myocardium, specifically the atria or ventricles, to eject blood into the circulation [Per the cardiac cycle mechanics].
Step 2: Synthesis and Mapping
Based on the functional definitions, the correct associations are delineated below:
| Column I | Matching Column II |
|---|---|
| (a) Eosinophils | (iii) Resist Infections |
| (b) RBC | (v) Gas transport |
| (c) AB Group | (ii) Universal Recipient |
| (d) Platelets | (i) Coagulation |
| (e) Systole | (iv) Contraction of Heart |
Step 3: Visual Representation of Cardiac Phases
The following diagram illustrates the relationship between systolic contraction and cardiac blood flow:
Final Solution: The correct matching is: (a)-(iii), (b)-(v), (c)-(ii), (d)-(i), and (e)-(iv).
More Questions from Class 11 Biology Body Fluids and Circulation EXERCISES
- Q1: Name the components of the formed elements in the blood and mention one major function of each of them.
- Q2: What is the importance of plasma proteins?
- Q4: Why do we consider blood as a connective tissue?
- Q5: What is the difference between lymph and blood?
- Q6: What is meant by double circulation? What is its significance?
- Q7(a): Write the differences between : (a) Blood and Lymph
- Q7(b): Write the differences between : (b) Open and Closed system of circulation
- Q7(c): Write the differences between : (c) Systole and Diastole
- Q7(d): Write the differences between : (d) P-wave and T-wave
- Q8: Describe the evolutionary change in the pattern of heart among the vertebrates.
- Q9: Why do we call our heart myogenic?
- Q10: Sino-atrial node is called the pacemaker of our heart. Why?
- Q11: What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?
- Q12: Define a cardiac cycle and the cardiac output.
- Q13: Explain heart sounds.
- Q14: Draw a standard ECG and explain the different segments in it.
CBSE Solutions for Class 11 Biology Body Fluids and Circulation
Chapters in CBSE - Class 11 Biology
- The Living World
- Biological Classification
- Plant Kingdom
- Animal Kingdom
- Morphology of Flowering Plants
- Anatomy of Flowering Plants
- Structural Organisation in Animals
- Cell – The Unit of Life
- Biomolecules
- Cell Cycle and Division
- Transport in Plants
- Mineral Nutrition
- Photosynthesis
- Respiration in Plants
- Plant Growth and Development
- Digestion and Absorption
- Breathing and Exchange of Gases
- Excretory Products and Elimination
- Locomotion and Movement
- Neural Control and Coordination
- Chemical Coordination and Integration
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