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Body Fluids and Circulation

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Composition of blood, blood groups, coagulation of blood

Subtopic

Composition of blood, blood groups, coagulation of blood under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which component of blood is responsible for carrying nutrients like glucose and amino acids?

    A.

    RBCs

    B.

    WBCs

    C.

    Plasma

    D.

    Platelets

  2. 2.

    What is the typical percentage of lymphocytes among the total white blood cells?

    A.

    60-65%

    B.

    2-3%

    C.

    20-25%

    D.

    6-8%

  3. 3.

    According to the simplified diagram of the clotting cascade, which enzyme catalyzes step 1?

    A.

    Thrombin

    B.

    Thrombokinase

    C.

    Fibrinogen

    D.

    Prothrombin

Download the worksheet for Body Fluids and Circulation - Composition of blood, blood groups, coagulation of blood to practice offline. It includes additional chapter-level practice questions.

Composition of lymph and its function

Subtopic

Composition of lymph and its function under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The exchange of nutrients, gases, etc., between the blood and the cells always occurs through:

    A.

    Lymphatic nodes

    B.

    Tissue fluid

    C.

    Red blood cells

    D.

    Artery walls

  2. 2.

    Which of the following is true about the transport of CO2_2 in lymph?

    A.

    Lymph carries more CO2_2 than arterial blood

    B.

    Lymph carries no CO2_2 at all

    C.

    CO2_2 is only transported by RBCs

    D.

    Lymph carries only oxygen

  3. 3.

    If the lymphatic vessels were blocked, what would be the most likely result?

    A.

    Increase in blood pressure

    B.

    Swelling of tissues (edema)

    C.

    Instant death of all cells

    D.

    Conversion of lymph to blood

Download the worksheet for Body Fluids and Circulation - Composition of lymph and its function to practice offline. It includes additional chapter-level practice questions.

Human circulatory system

Subtopic

Human circulatory system under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is true regarding the walls of the atria compared to the ventricles?

    A.

    Atrial walls are thicker

    B.

    Atrial walls are thinner

    C.

    They have the same thickness

    D.

    Atria do not have muscular walls

  2. 2.

    What is the standard blood pressure value for a normal healthy adult?

    A.

    100/60 mmHg

    B.

    120/80 mmHg

    C.

    140/90 mmHg

    D.

    150/100 mmHg

  3. 3.

    Atherosclerosis is caused by deposits of which substances in the lumen of arteries?

    A.

    Calcium and Fat

    B.

    Cholesterol and Fibrous tissue

    C.

    Calcium, Fat, Cholesterol and Fibrous tissue

    D.

    Glucose and Proteins

Download the worksheet for Body Fluids and Circulation - Human circulatory system to practice offline. It includes additional chapter-level practice questions.

Cardiac cycle, cardiac output, ECG

Subtopic

Cardiac cycle, cardiac output, ECG under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following events marks the beginning of ventricular systole in the cardiac cycle?

    A.

    Opening of AV valves

    B.

    Closure of AV valves

    C.

    Opening of semilunar valves

    D.

    Closure of semilunar valves

  2. 2.

    The volume of blood pumped by the left ventricle into the aorta per minute is called:

    A.

    Stroke Volume

    B.

    Cardiac Output

    C.

    Blood Pressure

    D.

    Pulse Pressure

  3. 3.

    What is the significance of the QRS complex in counting heartbeats?

    A.

    It marks the end of a beat

    B.

    One QRS complex represents one heartbeat

    C.

    It represents the resting phase

    D.

    It shows the atrial contraction

Download the worksheet for Body Fluids and Circulation - Cardiac cycle, cardiac output, ECG to practice offline. It includes additional chapter-level practice questions.

Double circulation

Subtopic

Double circulation under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following describes the systemic circuit?

    A.

    Heart to Lungs to Heart

    B.

    Heart to Body to Heart

    C.

    Lungs to Body to Lungs

    D.

    Heart to Heart

  2. 2.

    Which of these is the correct sequence of heart chambers blood passes through, starting from the vena cava?

    A.

    RA →\rightarrow RV →\rightarrow Lungs →\rightarrow LA →\rightarrow LV

    B.

    LA →\rightarrow LV →\rightarrow Lungs →\rightarrow RA →\rightarrow RV

    C.

    RV →\rightarrow RA →\rightarrow Lungs →\rightarrow LV →\rightarrow LA

    D.

    LV →\rightarrow LA →\rightarrow Lungs →\rightarrow RV →\rightarrow RA

  3. 3.

    In systemic circulation, blood is distributed through the:

    A.

    Pulmonary trunk

    B.

    Aortic system

    C.

    Venous system

    D.

    Pulmonary veins

Download the worksheet for Body Fluids and Circulation - Double circulation to practice offline. It includes additional chapter-level practice questions.

Regulation of cardiac activity

Subtopic

Regulation of cardiac activity under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The cardiac center in the Medulla oblongata regulates cardiac function through which of the following?

    A.

    The Autonomic Nervous System

    B.

    The Somatic Nervous System

    C.

    Direct connection to the skeletal muscles

    D.

    The Cerebellum

  2. 2.

    Which branch of the Autonomic Nervous System works to return the heart rate to normal after a stressful event?

    A.

    Sympathetic

    B.

    Parasympathetic

    C.

    Somatic

    D.

    Central

  3. 3.

    The Sinoatrial Node (SAN) generates action potentials at a rate that can be modified by:

    A.

    The ANS

    B.

    Hormones

    C.

    Both ANS and Hormones

    D.

    Neither ANS nor Hormones

Download the worksheet for Body Fluids and Circulation - Regulation of cardiac activity to practice offline. It includes additional chapter-level practice questions.

Disorders (Hypertension, CAD, Angina pectoris, Heart failure)

Subtopic

Disorders (Hypertension, CAD, Angina pectoris, Heart failure) under Body Fluids and Circulation for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If the heart is not pumping enough blood to meet body needs, it is specifically called:

    A.

    Cardiac arrest

    B.

    Heart failure

    C.

    Heart attack

    D.

    Angina

  2. 2.

    Heart attack is caused by the heart muscle being suddenly damaged by ______.

    A.

    Excessive exercise

    B.

    Inadequate blood supply

    C.

    Bacterial infection

    D.

    Excessive oxygen

  3. 3.

    The 'pumping pressure' in a healthy individual is ideally:

    A.

    80 mmHg

    B.

    100 mmHg

    C.

    120 mmHg

    D.

    140 mmHg

Download the worksheet for Body Fluids and Circulation - Disorders (Hypertension, CAD, Angina pectoris, Heart failure) to practice offline. It includes additional chapter-level practice questions.

Body Fluids and Circulation - Class 11 Biology (CBSE) | Krit.club