Body Fluids And Circulation ZOOLOGY 1. Which of the following use water from (D) 1-B, I-A, 11-C their environment as circulating fluid - 7. Formed elements of blood include ~ [Pg- [Pg-278,E] 279.5 (A) Sponges (B) Coelenterates (A) RBC, WBC and blood platelets (C)aandb (D) Fishes. (B) All solutes present in blood (C) Proteins present in blood Para- 18.1, 18.1.1, 18.1.2 (D} All minerals (elements) Blood-Plasma and Formed Elements | * ene Statements is Blood, a special type of connective tissue (A) Erythrocytes/RBC are the least [Ps-278,E] abundant of all the cells in blood. (A) Consists of a fluid matrix (Plasma) (B) The number of RBCs in adult man (B) Has formed elements per mm3 of blood is 5 million to 5.5. (C) Is the most commonly used body fluid million, by most of the higher organisms (C)RSC are formed in the red bone (Al marrow in the adults. 3. Plasma is a straw coloured, viscous fluid (D) RBCs are enucleate in most of the constituting nearly ___% of blood - mammals. [P¢-278,8] | 9. Life span of human RBC is ~ [Pg-279,E] (a) 55 (B) 45 (A) 120 hours (B) 120 month (c) 90 (D) 10 (C) 120 days (D) 102 days The amount of water present in blood | 10. What is the amount of plasma is~ [Ps-278,E] haemoglobin present in 100 ml blood of (a) 99% (B) 90-92% human blood? [Pg-279,E] (©) 10% (D) 55% (A) 45¢ (B) 18-20g I, Proteins contribute 6 - 8% of the blood (C) 12-16g (D) 10 -12g plasma 11. Mammalian RBCs are in shape- [Pg- Il. Plasma contains very high amount of 279,E] aiineFala (A) Oval (B) Biconvex Il. Plasma without the clotting factors is {C) biconcave (D) Sickle like called serum 12. All of the following statement are correct IV Glucose, amino acids, lipids, etc., are about WBCs except ~ [Pg-279,M] also present in the plasma as they are (A) They are nucleate and least always in transit in the body. constancy in shape Ofthe above statements - [Pg-278,279,B] (B) They are lesser in number (6000 - (A) All are correct 8000 per mm3 blood) (B) Only IV is false (C) They are generally short lived (C) Only I, Ill, IV is correct (D) They help in blood clotting {D) All are false 13. All of the following are granulocytes 6. Match List I with List Il and select the except- [Pg-279,E] correct option. [Pg-279,.M]_ (A) Neutrophils List I List (B) Eosinophils (Plasma (Functions) (C) Basophils only - protein] (D) Lymphocytes and monocytes T_[ Fibrinogen ‘A. | Defense mechanism ii_| Globulins B. | Osmotic balance MH [Albumins ‘C. | Coagulation of blood (A) LC, I1-A, II-B (B) FA, 1-C, 1B (CFC, 1-B,m-a NCERT LINE BY LINE oa ‘Scanned with CacannerZOOLOGY 14, Match list I with list II correctly - [Pg-279.M] List I List IT (D)Thrombokinase and other blood (Types of (Their% (of clotting factor Ieucocytes/ total WBC) 20. Find the correct descending order of WBCs} percentage proportion of leucocytes in 1. Neutrophils [A. [20-25 human blood. [Pg-279,E] I Basophils B. [2-3 (A) Neutrophils —> Basophils +L. ll. ‘Monocytes Cc. [6-8 Lymphocytes * Acidophils IV. Eosinophils _[D. [05-1 (Bosinophils) Monocytes Vv. Lymphocytes [B. | 60 - 65 (B) Neutrophils a Monocytes —Lymphocytes> —Acidophils ~ > (A)I- B,D, 1-C,1V-A,V-B Basophils (B)1-A, - B, I-C,IV-E,V-D (C) Neutrophils —Lymphocytes— (C)1-E, 1-D, M-C.IV-B,V-A Monocytes — Acidophils — Basophils (D1-B,Il-D, Ill -A,IV-C, V-A (D) Neutrophils — Acidophils + Basophils » Lymphocytes ~» Monocytes 15.__Match the following ~ [Pg-279,M] 21. Assertion - A physician might order a ‘Column T Column Tt white cell count for a patient with T_| Basophils | A | Phagocvtes symptoms of an infection. I, [Neutrophils |B. | Secrete histamine, Reason- An increase in the number of serotonin , heparin white blood cells (leukocytes) may and involved in indicate that the person is combating an inflammatory infection. [P¢-279,E] response A) Both assertion and reason are true I, [Monocytes [C. | Resist infections and reason is correct explanation of and are also assertion. involved in allergic B) Both assertion and reason are true reaction and reason is not correct 1._| Bosinophils_[D. | immunity explanation of assertion, v. Lympho | E. C) Assertion is true but reason is false. cytes D) Both assertion and reason are false. (@1-B, Wandill-A,1V-C,V-D Para-18.1.3 Blood Groups (B)1-B, land Ill-C,1V-A,V-D eee et (C)1-C, land IMl-A, IV-B,V-D 22. ABO blood grouping is based on the (D)I-D, Wand Ill-C, 1V-a, V-B presence or absence of surface antigens 16. Megakaryocytes produce- [Pg-280,F] [Pg-280,E] (A) Leucocytes (ay2 (B)3 (B) Lymphocytes (6 (D) 12 (C) Bone cells 23. Fill up gaps given below in the table- (D) Blood platelets (thrombocytes) [Pg-280,M] 17. Which of the following is cell fragments? | [Blood [Antigens ] Antibody in |Donor [Pg-280,E] group |on RBCs | Plasma groups (A) Leucocytes (B) RBCs (C) Blood platelets (D) None a A Anti- B AO 16. 1 mm? blood has how ko vel B B ‘AntcA BO platelets 280, (A) 150000 - 350000 AB AB ll A,B,ABO (B) 1.5 million to 3.5 million o TL __ i [iv (C) 1500-3000 (D) 10 to 15 lacs 19. During blood clotting, platelets release — 1} __u a_fiv -280,E} {a) Nil Nil Nil O° (A) Thrombin IFEZ20 (b) | Nil Nil Anti-A,.B_ | AB (B) Fibrinogen (co) [Nit ‘Anti | Nil 0 (C) Prothrombin AB NCERT LINE BY LINE ss ‘Scanned with CacannerZOOLOGY (qx Mi [Aat-AB_ [O (C) Agatutinins (D) ABO antibodies 24. Which of the following blood groups is | 30. A doctor suggested to a couple not to have universal donor and universal acceptors more than one child because of ~ respectively? [Pg-280,E] [Pg-281,M] (A) AB, O (B) 0, AB (A) Rh+ male and Rh- female (C) AB, A (D) A, AB (B) Rh- male and Rh+ female 25. Which of the following representations is (C) Rh- male and Rh- female correct about blood groups and donor (D) Rh+ male and Rh+ female compatibility? 31. In case of emergency which blood group G—) Go could be safely transfused? [Pg-281,M] ote (A) AB Rh- (B) AB Rh+ Goi (C) O Rh- (D) O Rh+ 32. Which of the following is expected if A) husband is Rh+ and wife is Rh-? ~ “ [Pg-281,M] Go (A) No problem with 1st pregnancy ot : (B) Problem would be expected with (4s —+8) future pregnancies (© Both B) (D)No problem could be expected in any G 8) pregnancy te 33. Which of the following statements is a correct? [Pg-281,H] \e—— (A) Rh compatibility must be tested before pregnancy establishment and blood Co transfusion G—*) (B) Rh antibodies can cross placenta S © (C) At the time of Ist delivery some of Rh+ 1 RB Cs from the baby (Rh+) mix the CH mother's blood (Rh-) due to tear in placenta mother's blood for Rh- D) antibodies G 8 (D) All t 7 Para-18.1.4 Ss ) Coagulation of Blood 26. Rh factor is concerned with blood | 34. What is the correct order of these events? grouping. It derives its name from- [Pg-281,M] [Pz-281,5] 1. Conversion of fibrinogen to fibrin (A) Man (B) Chimpanzee 2. Clot retraction and leakage of serum (C) Monkey (D) Rat 3. Thromboplastin formation 27. Rh factor is responsible for- [Pg-281,E] 4. Conversion of prothrombin to (A) Sickle cell anemia ‘thrombin (B) Erythroblastosis foetalis (A) 3,2,1, 4 (B) 3,4,1,2 (cj alps. (©) 3,4,2,1 (D) 4,1,3,2 (D) Turner syndrome 35. Which of the following statement are 28. In developing foetus, erythroblastosis correct? [Pg-281.M] foetalis is caused by- [Pe-281.E] I. Ca’?is necessary for blood coagulation (a) Haemolysis Tl. Coagulation in blood vessel is (B) Clumping of RBCs prevented during normal condition by (C) Failure of blood clotting heparin (D) Phagocytosis by WBC. IIL. Clotting of blood involves changes of 29. In erythroblastosis foetalis, which of the fibslnogen to:filrin by thrombin, following factors passes through placenta IV. Blood clotting involves cascading. into foetus - [Pe-281,E] process involving a number of factors (A) Rh antigens —_—_(B) Rh antibodies present in the active form always NCERT LINE BY LINE 66 ‘Scanned with Cacanner36. (a) 1, Iv (B) u,v (Ln, mL (D) ml, Iv Which of the following pathways is correct for blood clotting [Pg-281,H] A) ‘Thromboplastin of Thrombokinase (from injured platelets / tissues) Prothrombin. Thrombin Cal Fioinogen—L-> "ym Clot Fibrin + dead and damaged formed elements. B) ‘Thromboplastin or Thrombokinase Fitrinogen 2 Fibrin Teptne tyro 1 Ca’ ‘Tarombin ————_——___— Yomi ead and damaged” formed elements Cc) ‘Thromboplastin or Thrombokinase Thrombin —!—> Protwrombin Cat Fitcin 23" Fibrinogen }+ dead and damaged formed elements ‘Clot D) “Thvombopiastin or Trombone Protvontia —! thrombin cat? J Fiorinogen «> Fibrin + dead and datraged| formed elements oot Para- 18.2 Lymph (Tissue fluid) 37. Which of following statements is wrong ZOOLOGY V. Fats are absorbed through lymph in the lacteals present in the intestinal villi [Pg-282,M] (a) Only 1 (B) Ul and IV (C) Nand mr (D) Only IV 38. Which of the following statements is correct? [Pg-282,M] I. Lymphatic system collects tissue fluid/interstitial fluid and drains it back to the major veins Il. Interstitial fluid (tissue fluid) and lymph have = almost_—_ similar composition III. Lymph and interstitial fluid have no larger proteins and RBC IV. Exchange of nutrients and gases, etc. between the blood and cells always occurs through tissue flu id V. Interstitial fluid has the same mineral distribution as that in plasma VI. Lymph can be defined as blood minus RBC but has specialized lymphocytes (a) A (B) Only Ill and IV (C) Vand VI (D) 1, Il, V Para-18.3 Circulatory Pathways 39. Open circulatory system is found in - [Pg-282,E] (A) Arthropods and molluscs (B) Annelids and Chordates (C) Annelids and arthropods (D) Fishes and molluscs Closed circulatory system is found in ~ [Pg-282,E] (A) Arthropod and chordates (B) Molluscs and chordates (©) Amphibians and molluscs (D) Annelids and chordates 41. In an open circulatory system ~ [Pg-282,E] 40. (A) There is no heart (B) There is no need of blood vessels (C) There is no distinction between blood and tissue fluid (D) There are no open spaces or about lymph. [Pg-282,M] sinuses in the body I. Lymph is colourful as it has | 42- Advantages of closed circulatory system haemoglobin but no RBC over open circulatory system includes Il, The fluid present in lymphatic system which of the following? [Pg-282,] is called lymph (A) Closed system can direct blood to IIL. It contains specialized lymphocytes specific tissues - which are responsible for immunity of (B) Exchange occurs more rapidly the body (C) Close circulatory system can support IV. Lymph is an important carrier for higher levels of metabolic activity nutrients and hormones (D) All 67 NCERT LINE BY LINE ‘Scanned with CacannerZOOLOGY 43. Which of the following statements is | 47. Which of the following statements is not wrong about the closed circulatory true? [Pg-283,E] system? [Pg-282,M] (A) Heart is ectodermal in ori (A) Blood remains within blood vessels (B) In human beings heart is situated in and never comes in direct contact with the thoracic cavity, in between the two the body cells, lungs slightly lifted to the left (B) In it flow of fluid can be more precisely (C)Human heart has the size of a regulated clenched fist. (C) There is no blood capillary (D) Double wall membranous _bag (D) Blood flow is more rapid due to higher (pericardium) with pericardial fluid pressure protects heart 44. Following are figures of hearts in different | 48. Which of the following is correct about animals [Pg-282,M] human heart? [Pg-283,E] (A) The volume of both atria> the volume AY GB) GA AA ot bth ventiles WW WD WW (B) The volume of both ventricle> the volume of both atria 1 " mu Vv (©) The volume of both atria= the volume ‘Auricle of both ventricles V = Ventricle (D) Ventricles are upper chambers and Identify with their characteristic hearts — atria are lower chambers in our heart T 1 Tt W 49. Bicuspid valve / mitral valve is found between - [Pg-283,E] a) | Fishes | Reptiles [AT Birds, : a a aien | Hocus (A) Left atrium and left ventricle (B) Right atrium and right ventricle (0 | Fishes | Birds Repiiles, | Mammal (© Right atrium and left ventricle birds (D) Left atrium and right ventricle 16 | Fishes | Amphibians | Reptiles | Crocodiles, 50. Tricuspid valve is present between the- Birds, [Pg-283,E] Mammals (A) Two atria (B) Two ventricles 1d) | Fishes | Crocodiles [Amphibr | Birds, (©) Left atrium and left ventricle ans, | Mammals (D) Right atrium and right ventricle epee 51. Chordae tendinae are found in - [P¢-283,E] 45. In fishes the blood circulation is Jota ‘iieart represented as - 282, tria of hear e _ (©) Ventricles of heart Impure blood (D) Ventrictes of brain 52. Ventricles are thick-walled as compared a to atrium because - [Pg-283,E] Frure Brood ae (A) It is to receive blood from atria ‘The above flow of blood indicates it is a (B) It is present on the posterior side (A) Double circulation (O)Itis to pump blood (B) Single circulation {D) None (C) Incomplete single circulation 53. Which of the following has thickest wall? (D) Incomplete double circulation [Pe-283,F] 46. Incomplete double circulation is found in (A) Left auricle (B) Left ventricle which of the following Se re aaa, Bi (C) Right auricle (D) Right ventricle 282, 54, Match the following. [Pg-283,284,E] (A) Birds ‘Column I Column II (B) Mammals A. | Superior p. | carries deoxygenated (C) Birds and Mammals _ vena cava blood to lungs ——DiAmphibians and Reptiles _| |B. [inferior [q. | carries oxygenated Para-18.3.1 Human Circulatory System vena cava blood from lungs 68 NCERT LINE BY LINE ‘Scanned with CacannerZOOLOGY C. | Pulmonary |r. | brings deoxygenated (A) Right auricle artery blood from lower part (B) Left auricle of body to right atrium 6 Bane , : deoxygenated Interventricular septum Bs ad ‘ oe from oper part || 64. Atria-ventricular node (AVN) is situated in of body to right atrium, [Pg-284,E] {A) Lower left corner of left auricle, close (A)A-q,B-s,C-r,D-p to AV-septum (B)A-s, B-p,C-q,D-r (B) Lower left corner of right auricle, (Q)A-s,B-r,C-p,D-q close to AV-septum (D)A-s,B-p,C-1,D-q (C) Upper left corner of right auricle, 55. Origin of heart beat and its conduction is close to AV-septum represented by - [Pg-284,E] (D) Upper left corner of left auricle, close A) SA-node — Purkinje fibres > to AV-septum AV-node— Bundle of His 65. Purkinje fibres are present in -[Pg-284,E] B) AV-node— Bundle of His SA- (A) Left auricle node— Purkinje fibres (B) Right auricle C) Purkinje fibres AV-node— SA- (C) Ventricular myocardium node— Bundle of His (D) SAN D) SA-node— AV-node— Bundle of 66. The chordae tendinae- [Pg-284,E] His— Purkinje fibres (A) Close the AV-valves 56. ‘Heart of heart’ is - [Pg-284,E] (B) Prevent the AV-valves flaps from (A) SA-node (B) AV-node everting (©) Bundle of His (D) Purkinje fibres (©) Open semilunar valves 57. SAnodeis located in- _[Pg-284,E] (D) Are present in auricles (A) Upper lateral wall of left atrium 67. Which of the following correctly traces the (B) Lower lateral wall of left atrium electrical impulses that trigger each heart (C) Lower lateral wall of right atrium beat [Pe-284,5] (D) Upper lateral wall of right atrium A) Pacemaker + AV node Atria 58. SAnode is called pace maker of the heart. Ventricles Why? [Pg-284,5] B) Pacemaker —Atria> AV node (A) It can change contractile activity Ventricles generated by AV node C) AV node -»Pacemaker-+ Auricles (B) It delays the transmission of impulse ventricles between the atria and ventricles D) Ventricle> pacemaker> AV node (C)It gets stimulated when it receives Audie neural signal 68. An atrioventricular valve prevents the (D)It initiates and maintains the back flow or leakage of blood from - rhythmic contractile activity of heart [Pe-284,M] 59. Sino-atrial node (SAN) can generate (A) The right ventricle into the right impulses - [Pe-284,E] atrium (A) 70-75 min! — (B) 50 - 55 min? (B) The left atrium into the left ventricle (C)35-40 min? (D) 100-150 min (C) The aorta into the left ventricle 60. The impulse of heart beat originate from - (D) The pulmonary vein into the right [Pg-284,E] atrium (a) SAN (C) AVN. 69. How many double circulations are (C) Vagus nerve (D) Cardiac nerve normally completed by the human heart 61. Rate of heart is determined by- [Pg-284,E] in one minute? [Pe-283,E] (a) SAN (B) AVN (as (B) 16 (C) Purkinje fibres (D) Bundle of His (c) 36 (D) 72 62. Bundle of His is a group of- [Pg-284,E] | 79, Assertion If you trace the path of a (A) Ganglia (B) Nerve fibres molecule of carbon dioxide that starts in (C) Muscular fibres an arteriole in the right thumb and leaves (D) Connective tissue the body in exhaled air, the minimum 63. Bundle of His / AV-bundle found in - number of capillary beds the molecule [Pg-284,E] encountered is 2. 69 NCERT LINE BY LINE ‘Scanned with CacannerReason- The molecule of carbon dioxide would need to enter a capillary bed in the thumb before returning to the right atrium and ventricle, then travel to the lung and enter a capillary from which it would diffuse into an alveolus and be available to be exhaled. [Pg-282,H] A) Both assertion and reason are true and reason is correct explanation of assertion. B) Both assertion and reason are true and reason is not correct explanation of assertion, C} Assertion is true but reason is false. D) Both assertion and reason are false. Para-18.3.2 Cardiac Cycle 71. 72. 73. 74, 75. ‘The duration of cardiac cycle in a normal man is - [Pg-284,E] (A) 0.8 seconds (B) 80 seconds (C) 60 seconds (D) 72 seconds During systole of heart - A) Only atria contract B) only ventricles contract C) Auricles and ventricles separately D) Auricles and simultaneously During ventricular systole - [Pg-284, (A) Oxygenated blood is pumped into the aorta and deoxygenated blood is Pe-284,E] contract ventricles contract 76. 77. 78. ZOOLOGY (Dall During cardiac cycle about % of ventricular filling occurs prior to atrial contraction. % ventricular filling occurs due to atrial contraction — [Pg-285,E] (A) 50, 50 (B) 70, 30 (©) 30, 70 (D) 10, 90 Which of the following events do not occur during joint diastole? [Pg-285,M] I All4 chambers of heart are in relaxed state Il. Tricuspid and bicuspid valves open IIL Action potential is conducted from SAN to AVN IV. Blood from the pulmonary veins and vena cava flows into the left and right ventricles respectively through the left and right atria V. The Semilunar valves are closed (a) Only V (B) Only (© Only Iv (D) Only I and It ‘The accompanying diagram shows three stages in the cardiac cycle- [Pg-284,285,H] Which of the following sequence is correct? pumped into the pulmonary artery (A) 2,3, 1 (B)1,2, 3 (B) Oxygenated blood is pumped into the (2, 1,3 (D) 31,2 pulmonary artery and deoxygenated | 79- Cardiac output is determined by — blood is pumped into the artery oe i sini (C) Oxygenated blood is pumped into aorta and deoxygenated blood is (©) Blood flow (D) Both a and b pumped into pulmonary vein 80. The amount of blood to be pumped out by (D) Oxygenated blood is pumped into each ventricle/minute is- _ [Pg-285,E] puimonery vein and deoxygenated (A) Stroke volume (B) Cardiac output blood is pumped into pulmonary (C) Tidal volume _(D) Residual volume artery 81. During cardiac cycle each ventricle Contraction of right ventricle pumps pumps out about 70 ml of blood which is blood into- [Pe-285,E] called - [Pg-285,E] (A) Dorsal aorta (A) axe volume (B) Cardiac output (B) Pulmonary vein ( poe Be ae (D) Pulm: te ©) Pa vention ‘apetole occurs - 82. Ared blood cell, entering the right side of [Pe-284,F] the heart passes by or through the (A) Auricular diastole coincides following structures — [Pg-285,M] (B) Tricuspid and bicuspid valves close 1. Atrioventricular valves (C) Semilunar valves guarding pulmonary 2. Semi-lunar valves artery and aorta are forced to open 3. Right atrium 70 NCERT LINE BY LINE ‘Scanned with Cacanner