HARD
11th CBSE
IMPORTANT
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In the diagrammatic presentation of heart given below, mark and label, SAN, AVN, AV bundles, bundle of His and Purkinje fibres.

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Important Questions on Body Fluids And Circulation

EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 1
Which of the following cells does not exhibit phagocytic activity?
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 2
One of the common symptoms observed in people infected with Dengue fever is
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 3
Which among the followings is correct during each cardiac cycle?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 4
Cardiac activity could be moderated by the autonomous neural system. Select the correct statement:
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 5
Mark the pair of substances among the following which is essential for coagulation of blood.
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 6
ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 7
Which one of the following types of cells lacks nucleus in humans?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 8
 Which one of the following blood cells is involved in antibody production?