EASY
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Choose the correct option from below w.r.t. matching column I with column II.

  Column I   Column II
(A) Lymphocytes (i) Blood coagulation
(B) Platelets (ii) Increase in number during allergy
(C) Eosinophils (iii) Secrete antibodies
(D) Neutrophils (iv) Show diapedesis and phagocytosis

 

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Important Questions on Body Fluids and Circulation

MEDIUM
NEET
IMPORTANT
Identify the correct combination showing the blood group with their respective antigens (sugar), antibody genotype and special character:
MEDIUM
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IMPORTANT
Match the types of WBC listed under Column I with the shape of nucleus given under Column II and select the correct option from codes given below.
  Column I   Column II
(a) Neutrophils (i) Kidney-shaped
(b) Eosinophils (ii) S-shaped
(c) Basophils (iii) 3 to 5 lobes
(d) Monocytes (iv) 2 lobes
    (v) Disc-shaped
HARD
NEET
IMPORTANT
Erythroblastosis foetalis can never occur in any child born to parents having blood groups

I. Mother: Rh-ve, Father: Rh+ve
II. Mother: Rh-ve, Father: Rh-ve
III. Mother: Rh+ve, Father: Rh-ve
IV. Mother: Rh+ve, Father: Rh+ve
EASY
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Chordae tendineae are found in
HARD
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IMPORTANT
Which of the following statements are correct?
(i) Ca+2 is necessary for blood coagulation.
(ii) Coagulation in blood vessel is prevented during normal condition by heparin.
(ui) Clotting of blood involves changes of fibrinogen to fibrin by thrombin.
(iv) Blood clotting involves cascading process involving a number of factors always present in the active form.
MEDIUM
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IMPORTANT
Assertion: Left atrium has the thickest muscles.
Reason: Right atrium receives blood from the lungs.
MEDIUM
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IMPORTANT

Match the items given in Column I with those in Column II and select the correct option given below.

Column I Column II
A Tricuspid valve (i) Between left atrium and left ventricle
B Bicuspid valve (ii) Between right ventricle and pulmonary artery
C Semilunar valve (iii) Between right atrium and right ventricle

 

EASY
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Which one of the following human cells do not contain mitochondria?