Body Fluids And Circulation Multiple Choice Question and Answers

by

Body Fluids And Circulation Multiple Choice Question

Question 1. Adult human RBCs are enucleated. Which of the following statement(s) is/are the most appropriate explanation for this feature?

  1. They do not need to reproduce
  2. They are somatic cells
  3. They do not metabolize
  4. All their internal space is available for oxygen transport

Choose the correct answer

  1. Only 1
  2. 1, 3 and 4
  3. 2 and 3
  4. Only 4

Answer: 4. only 4

Question 2. The hepatic portal vein drains blood to the liver from—

  1. Stomach
  2. Kidneys
  3. Intestine
  4. Heart

Answer: 3. Intestine

Read and Learn More WBCHSE Multiple Choice Question and Answers for Class 11 Biology

Question 3. MALT constitutes about per cent of the lymphoid tissue in the human body.

  1. 20%
  2. 70%
  3. 10%
  4. 50%

Answer: 4. 50%

Question 4. Frog’s heart when taken out of the body continues to beat for some time Select the best option from the following statements.

  1. Frog is a poikilotherm
  2. The frog does not have any coronary circulation
  3. The heart is ‘myogenic’ in nature
  4. Heart is autoexcitable

Choose the correct answer

  1. Only 4
  2. 1 and 2
  3. 3 and 4
  4. Only 3

Answer: 3. 3 and 4

Question 5. Reduction in pH of blood will—

  1. Reduce the blood supply to the brain
  2. Decrease the affinity of haemoglobin with oxygen
  3. Release of bicarbonate ions by the liver
  4. Reduce the rate of heartbeat

Answer: 2. Decrease the affinity of haemoglobin with oxygen

Question 6. In mammals, which blood vessel would normally carry the largest amount of urea?

  1. Dorsal Aorta
  2. Hepatic Vein
  3. Hepatic portal vein
  4. QRS complex

Answer: 2. Hepatic Vein

Question 7. Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

  1. Erythrocytes
  2. Leucocytes
  3. Neutrophils
  4. Thrombocytes

Answer: 4. Thrombocytes

Question 8. Serum differs from blood in—

  1. Lacking globulins
  2. Lacking albumins
  3. Lacking clotting factors
  4. Lacking antibodies

Answer: 3. Lacking clotting factors

Question 9. Which one of the following animals has two separate circulatory pathways?

  1. Shark
  2. Frog
  3. Lizard
  4. Whale

Answer: 4. Whale

Question 10. Doctors use stethoscopes to hear the sound; produced during each cardiac cycle. The second sound is heard when—

  1. The AV node receives a signal from SA node
  2. AV valves open up
  3. Ventricular walls vibrate due to the gushing of blood from the atria
  4. Semilunar valves close down after the blood flows into vessels from the ventricles

Answer: 4. Semilunar valves close down after the blood flows into vessels from the ventricles

Question 11. The person with blood group AB is considered a universal recipient because he has—

  1. Both A and B antigens on RBC, but no antibodies
  2. Both A and B antibodies in the plasma
  3. No antigen on RBC and no antibodies in the plasma
  4. Both A and B antigens in the plasma, but no antibodies

Answer: 1. Both A and B antigens on RBC, but no antibodies

Question 12. Thrombokinase is associated with—

  1. Elimination of urea and other excretory products from the body
  2. Production of erythrocytes from the bone marrow
  3. Pulmonary and systemic circulation
  4. Cardiac cycle and its regulation
  5. Enzymatic reactions in coagulations of blood

Answer: 5. Enzymatic reactions in coagulations of blood

Question 13. Identify the correct statement regarding cardiac activity—

  1. Normal activities of the human heart are regulated intrinsically, hence it is neurogenic
  2. A special neural centre in the medulla oblongata can moderate cardiac function through the CNS
  3. Parasympathetic neural signals increase the rate of heartbeat
  4. Adrenal medullary hormones can increase cardiac output
  5. The end of a T-wave marks the end of diastole

Answer: 4. The end of a T-wave marks the end of diastole

Question 14. Choose the wrong statement regarding the circulatory system of frogs—

  1. Sinus venosus receives blood through major veins called vena cava
  2. The ventricle opens into a sac-like conus arteriosus
  3. The erythrocytes are nucleated
  4. A special venous connection between the liver and intestine called the renal portal system is present
  5. The lymphatic system consists of lymph, lymph channels and lymph nodes

Answer: 4. Lymphatic system consists of lymph, lymph channels and lymph nodes

Question 15. The depolarization of the atria is represented by—

  1. P wave
  2. Q. wave
  3. T wave
  4. QRS complex

Answer: 1. P wave

Question 16. Which diagram is correct for the circulation of blood through the human heart?

Biology Class 11 Chapter 18 Body Fluids And Circulation Multiple Choice Question 16

Answer: 1.  Biology Class 11 Chapter 18 Body Fluids And Circulation Multiple Choice Question 16.2

Question 17. Which option is correct for the formation of intrinsic factor-X activator complex for blood coagulation?

  1. Activated Christmas factor + AHG + Phospholipid + ca2+
  2. Inactivated Christmas factor + AHG + phospholipid + Ca2+
  3. Converting + AHG + ca2+ FSF
  4. Phospholipid- protein complex + Proconvertin

Answer: 1. Activated Christmas factor + AHG + Phospholipid + ca2+

Question 18. An increase in blood pressure leads to

  1. Hypotension
  2. Bradycardia
  3. Both 1 and 2
  4. Hypertension

Answer: 4. Hypertension

Question 19. Red cell count is carried out by—

  1. Haemocytometer
  2. Haemoglobinometer
  3. Sphygmomanometer
  4. Electrocardiogram

Answer: 1. Haemocytometer

Question 20. Which of the following matches correctly?

  1. Inferior vena cava—Receives deoxygenated blood from the head and body
  2. Superior vena cava—Receives deoxygenated blood from the lower body and organs
  3. Pulmonary artery—Carries deoxygenated blood to the lungs
  4. Hepatic artery—Carries deoxygenated blood to the gut

Answer: 3. Pulmonary artery—Carries deoxygenated blood to the lungs

Question 21. The main function of the white blood cell in the human immunological system is to—

  1. Combat and destroy antigenic particles
  2. Produce antigens to combat antibodies
  3. Carry oxygen around the body
  4. Transport antigens to B memory cells in the lymph nodes

Answer: 1. Combat and destroy antigenic particles

Question 22. In which, blood circulation starts and ends in capillaries?

  1. Portal system
  2. Arterial system
  3. Capillary system
  4. Lymphatic system

Answer: 1. Portal system

Question 23. The diagram given here is the standard ECG of a person. The P-wave represents the—

Biology Class 11 Chapter 18 Body Fluids And Circulation Multiple Choice Question 23

  1. Contraction of both the atria
  2. Initiation of the ventricular contraction
  3. Beginning of the system
  4. End of systole

Answer: 1. Contraction of both the atria

Question 24. Arteries that carry deoxygenated blood are—

  1. Pulmonary arteries
  2. Carotid Arties
  3. Coronary Arteries
  4. Phrenic Arteries

Answer: 1. Pulmonary arteries

Question 25. Blood leaving the liver and going towards the heart is rich in—

  1. Pulmonary Arteries
  2. Urea
  3. Ammonia
  4. Oxygen

Answer: 2. Urea

Question 26. The following Are The Branches Of Dorsal Aorta

  1. Intercostal
  2. Phrenic
  3. Colieac
  4. Anterior Mesenteric

Choose the correct Answers

  1. 1 and 2
  2. 2 and 4
  3. 4 and 5
  4. 2 and 3

Answer: 2. Phrenic

Question 27. The Leucocytes Contain Which Of The Following Large Quantity?

  1. Basophils
  2. Neutrophils
  3. Eosinophils
  4. Monocytes

Answer: 2. Neutrophils

Question 28. Match The Column

  1. 1-3,2-1,3-2,4-4
  2. 1-2,2-3,3-1,4-4
  3. 1-1,2-2,3-3,4-4
  4. 1-4,2-3,3-2,4-1

Answer: 1. 1-3,2-1,3-2,4-4

Question 29. WBC is true Cell Due To

  1. Absence of nucleus
  2. Devoid Of Haemoglobin
  3. Absence Of Cell Wall
  4. Presence Of Nucleus

Answer: 4. Presence Of Nucleus

Question 30. If The Systolic Pressure is 120mm Hg Diastolic Pressure Is 80mm hf The Pulse pressure is-

  1. 120-80=40 mm Hg
  2. 120/80=1.5 mm Hg
  3. 120×80 =9600 mm Hg
  4. 120+80 = 200 mm Hg

Answer: 1. 120-80=40 mm Hg

Leave a Comment