Body Fluids and Circulation Class 11 Biology Important Questions

Important Questions Class 11

Students can read the important questions given below for Body Fluids and Circulation Class 11 Biology. Body Fluids and Circulation Class 11 Biology Important Questions Class 11 Notes and questions with solutions have been prepared based on the latest syllabus and examination guidelines issued by CBSE, NCERT and KVS. You should read all notes provided by us and Class 11 Biology Important Questions provided for all chapters to get better marks in examinations. Class 11 Biology Question Bank Class 11 is available on our website for free download in PDF.

Important Questions Body Fluids and Circulation Class 11 Biology

Objective Type Questions

Question. Match the following

Column – I Column – II
A. P wave I. Ventricular depolarisation folllowed by ventricular contraction
B. QRS complex II. Atrial depolarisation followed by systole of both atria
C. T – wave III. Ventricular repolarisation followed by ventricular relaxation

Options :
(a) A – I, B – II, C – III
(b) A – III, B – II, C – I
(c) A – II, B – I, C – III
(d) A – II, B – III, C – I

Answer

C

Question. Rh factor is concerned with blood grouping.It derives its name from
(a) Man
(b) Chimpanzee
(c) Monkey
(d) Rat

Answer

C

Question. In developing foetus erythroblastosis foetalis is caused by
(a) Haemolysis
(b) Clumping or RBCs
(c) Failure of blood clotting
(d) Phagocytosis of WBC

Answer

B

Question. A doctor suggested a couple to not have more than one child because of
(a) Rh+ male and Rh- female
(b) Rh- male and Rh+ female
(c) Rh- male and Rh-female
(d) Rh+ male and Rh+ female

Answer

A

Question. In case of emergency which blood group could be safely transfused
(a) Ab Rh-
(b) AB Rh+
(c) O Rh-
(d) O Rh+

Answer

C

Question. Which of the following statement is correct?
(a) Rh compatibility must be tested before pregnancy established and blood transfusion
(b) Rh antibodies can cross placenta
(c) At time of 1st delivery, some Rh+ RBCs from the baby mix with the mother blood
(d) All

Answer

D

Question. Which of the following statement are correct?
A. Ca+2 is necessary for blood coagulation
B. Coagulation in blood vessel is prevented during normal condition by heparin
C. Clotting of blood involves changes of fibrinogen to fibrin by thrombin
D. Blood clotting involves cascading process involving a number of factors present in the active form always.
Options :
(a) A, C, D
(b) B, D
(c) A, B, C
(d) C, D

Answer

C

Question. Blood clotting pathways cause
(a) Conversion of vit. K to prothrombin
(b) Conversion of fibrin to fibrinogen
(c) Conversion of thrombin to prothrombin
(d) None of the above

Answer

D

Question. Closed circulatory system is found in
(a) Arthropods and chrodates
(b) Molluscs and arthropods
(c) Annelids and arthropods
(d) Annelids and chordates

Answer

D

Question. Advantages of closed Circulatory System over open circulatory system included which of the following
(a) Closed system can direct blood to specific tissues
(b) Exchange occurs more rapidly
(c) Close circulatory system can support higher level of metabolic activity
(d) All

Answer

D

Question. Which of the following use water from their environment as circulating fluid?
(a) Sponges
(b) Coelenterates
(c) (a) and (b)
(d) Fishes

Answer

C

Question. Plasma is a straw coloured, viscous fluid consisting _____ % of blood
(a) 55
(b) 45
(c) 90
(d) 10

Answer

A

Question. A. Proteins contribute 6-8% of the blood plasma
B. Plasma contains very thin amount of minerals
C. Plasma without the cloting factors is called serum
D. Glucose, amino acid, lipids etc are also present in the plasma as they are always in transit in the body
Of the above statements
(a) All are correct
(b) Only B is correct
(c) Only A is correct
(d) All are false

Answer

A

Question. Formed elements of blood includes
(a) RBC, WBC and blood platelets
(b) Proteins present in blood
(c) All solutes present in blood
(d) All minerals

Answer

A

Question. Life span of human RBC is
(a) 120 hours
(b) 120 months
(c) 120 days
(d) 102 days

Answer

C

Question. Mammalian RBC is _____ in shape
(a) Oval
(b) Biconvex
(c) Biconcave
(d) Sickle like

Answer

C

Question. All of the following are granulocytes except
(a) Neutrophils
(b) Eosinophils
(c) Basophils
(d) Lymphocytes and monocytes

Answer

D

Question. Match the following

Column – IColumn – II
A. Basophils I. Phagocytes
B. Neutrophils II. Secrete histamine, serotonin, heparin and involved in inflammatory response
C. Monocytes III. Resist infections and are also involved in allergic reaction
D. Eosinophils IV. Immunity
E. Lymphocytes

Options :
(a) A – II, B AND C – I, D – III, E – IV
(b) A – III, B AND C – III, D – I, E – IV
(c) A – III, B AND C – I, D – II, E – IV
(d) A – IV, B AND C – III, D – I, E – II

Answer

A

Question. Which of the following is cell fragments
(a) Leucocytes
(b) RBCs
(c) Blood platelets
(d) None

Answer

C

Question. During blood clotting-platelets release
(a) Thrombin
(b) Fibrinogen
(c) Prothrombin
(d) Thrombokinase and other blood clotting factor

Answer

D