Class 11 Biology
Body Fluids and Circulation
Q.1
Name the components of the formed elements in the blood and mention one major function of each of them.
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Q.2
What is the importance of plasma proteins?
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Q.3
Match the column I with Column II:
Column I Column II
- Eosinophils (i) Coagulation
- RBC (ii) Universal Recipient
- AB Group (iii) Resist Infections
- Platelets (iv) Contraction of Heart
- Systole (v) Gas transport
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Q.4
Why do we consider blood as a connective tissue?
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Q.5
What is the difference between lymph and blood?
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Q.6
What is meant by double circulation? What is its significance?
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Q.7
Write the differences between
- Blood and Lymph
- Open and Closed system of circulation
- Systole and Diastole
- P-wave and T-wave
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Q.8
Describe the evolutionary change in the pattern of heart among the vertebrates.
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Q.9
Why do we call our heart myogenic?
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Q.10
Sino-atrial node is called the pacemaker of our heart. Why?
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Q.11
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?
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Q.12
Define a cardiac cycle and the cardiac output.
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Q.13
Explain heart sounds.
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Q.14
Draw a standard ECG and explain the different segments in it.
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