EASY
11th CBSE
IMPORTANT
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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.

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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 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?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 9
The cardiac impulse is initiated and conducted further up to the ventricle. The correct sequence of conduction of impulse is
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 10
Agranulocytes responsible for immune response of the body are
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 11
The second heart sound (dub) is caused by the closure of
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 12
Which of the following correctly explains a phase/ event in cardiac cycle in a standard electrocardiogram?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 13
Which of the following statements is incorrect?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 18 - Body Fluids And Circulation>MULTIPLE CHOICE QUESTIONS>Q 14
What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 mL?