Exam Question for Class 11 Biology Chapter 18 Body Fluids and Circulation
Question. Lymph differs from blood in
(a) absence of RBC
(b) absence of WBC
(c) excess of water
(d) absence of protein
Question. In blood
(a) WBCs are more than RBCs
(b) RBCs are more than WBCs
(c) RBCs are less than platelets
(d) Platelets are less than WBCs
Question. What is true about leucocytes ?
(a) Their sudden fall in number is indication of blood cancer
(b) These are produced in thymus
(c) These are enucleated
(d) These can squeeze out through the capillary walls
Question. Which of the following is responsible for ABO grouping?
(a) Presence or absence of clotting factors.
(b) Compatibility of blood groups during blood transfusion.
(c) Presence or absence of surface antigens (A and B) on WBCs.
(d) Presence or absence of two surface antigens (A and B) on the RBCs.
Question. Rh factor is named after
Question. __________ plays an important role in blood clotting.
Question. Clotting of blood is to
(a) seal up wounds and prevent blood loss.
(b) slow down the movement of blood inside the blood vessels.
(c) trap oxygen inside the blood so that it can be carried around more easily.
(d) trap harmful germs inside the blood and prevent them from harming the body.
Question. Open type blood vascular system is found in
Question. Heart is covered by
(b) pleural membrane
(d) visceral membrane
Question. Pulmonary vein, carrying oxygenated blood, opens into
(a) left auricle
(b) right auricle
(c) left ventricle
(d) right ventricle
Statement Type Question
Question. Mark the incorrect statement regarding normal ECG.
(a) Patient is connected to 3 electrical leads (one to each wrist and to the left ankle).
(b) ‘T’ wave represents atrial repolarization.
(c) Q marks the beginning of ventricular systole.
(d) R represents ventricular depolarization.
Question. What is true about RBCs in humans?
(a) They carry about 20–25 per cent of CO2.
(b) They transport 99.5 per cent of O2.
(c) They transport about 80 per cent oxygen only and the rest 20 per cent of it is transported in dissolved state in blood plasma.
(d) They do not carry CO2 at all.
Question. Which one of the following statements is correct regarding blood pressure?
(a) 190/110 mmHg may harm vital organs like brain and kidney.
(b) 130/90 mmHg is considered high and requires treatment.
(c) 120/80 mmHg is considered an ideal blood pressure.
(d) 105/50 mmHg makes one very active.
Matching Type Questions
Question. In which of the following options the types of heart is correctly matched to their respective group of animals?
(a) Two chambered heart- Fishes and amphibians
(b) Three chambered heart- Amphibians and birds
(c) Four chambered heart- Birds and mammals
(d) Three chambered heart- Reptiles and mammals
Question. In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?
(a) P-Depolarization of the atria
(b) R-Repolarization of ventricles
(c) S-Start of systole
(d) T-End of diastole
Question. Which of the following term (column-I) is correctly matched with its functions (column-II)?
|(a) Plasma||Straw coloured fluid that consists of suspended blood cells|
|(b) Heart||Site where exchange of nutrients and gases occur|
|(c) Capillary||A red colour fluid that provides food to the cells|
|(d) Blood||Pumping station of the body|
Question. Match the column I with column II and choose the correct answer from the option given below.
|A. Cardiac cycle||I. 72 / min|
|B. Plasma||II. 120/80 mmHg|
|C. Systolic/Diastolic||III. 0.8 seconds|
|D. Haemoglobin||IV. 12 -16 gms in every 100 ml of blood|
|E. Heart beat||V. 55 % of the blood|
(a) A – I; B – II; C – III; D – IV; E – V
(b) A – III; B – V; C – II; D – IV; E – I
(c) A – III; B – I; C – V; D – II; E – IV
(d) A – V; B – IV; C – III; D – I; E – II
Critical Thinking Type Questions
Question. Which of the following set of events can occur simultaneously?
(a) Auricular depolarization, ventricular depolarization, auricular systole.
(b) Ventricular depolarization, auricular systole, ventricular diastole.
(c) Auricular depolarization, ventricular repolarization, auricular diastole.
(d) Auricular depolarizaion, ventricular diastole, auricular systole.
Question. During systemic circulation, blood leaves the ___(i)____ and _________(ii)______.
(a) (i)- left ventricle, (ii)- goes directly to the aorta
(b) (i)- right ventricle, (ii)- goes directly to the aorta
(c) (i)- right ventricle, (ii)- moves to the lungs.
(d) (i)- left ventricle, (ii)- moves to the lungs
Question. If a person had two-chambered heart (one atrium, and one ventricle) with the vena cava entering the atrium and the aorta leaving the ventricle then which of the following statement would be correct?
(a) No oxygen would reach the cells.
(b) No blood would reach the head and neck.
(c) The blood would be unable to carry food to the cells.
(d) There would be no blood circulation.
Question. In order for the blood to flow from right ventricle to left ventricle in mammalian heart, it must flow through
I. Right ventricle
II. Pulmonary veins
III. Left atrium
V. Pulmonary arteries
(a) I- V- IV- II- III
(b) I- II- III- IV- V
(c) III- V- I- II- IV
(d) III- II- I- IV-V
Question. Mother-foetus Rh blood type incompatibility disorder can occur if the mother is _____ and her foetus is ____.
(a) Rh positive; Rh positive
(b) Rh positive; Rh negative
(c) Rh negative; Rh positive
(d) Rh negative; Rh negative
Question. Which area allows the atria to completely empty as the ventricles fill with blood?
(a) A-V node
(b) A-V bundle
(c) S-A node
(d) Purkinje fibers
Question. The state of heart when it is not pumping blood effectively enough to meet the needs of the body is called _____.
(b) cardiac arrest
(c) heart attack
(d) heart failure