A person with blood group O can take blood from

(1) O+ person

(2) O person

(3) A+ person

(4) both (1) and (2)

Subtopic:  Blood: Blood Group (A,B,O) |
 75%
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Fibrins are formed by conversion of _______ in _______ by the enzyme _______

(1) Fibrinogen, serum, Thrombokinase

(2) prothrombin, plasma, thrombin

(3) Fibrinogen, plasma, thrombin

(4) Prothrombin, blood, thrombokinase

Subtopic:  Blood: Blood Clotting |
 74%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

During the initiation of coagulation of blood, the platelets are activated by–

(1) Thrombin

(2) Trauma

(3) Ca++

(4) Thrombokinase

Subtopic:  Blood: Blood Clotting |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

To avoid Erythroblastosis Foetalis–

(1) the mother is administered anti–Rh antibodies.

(2) the baby is administered Rh antibodies.

(3) the mother is administered Rh antibodies

(4) the baby is administered anti–Rh antibodies

Subtopic:  Blood: Blood Group |
 85%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

RBCs in human are:

(1) Biconcave-and nucleated

(2) Biconvex and nucleated

(3) Biconcave and enucleated

(4) Biconvex and enucleated

Subtopic:  Blood: General Description & RBC |
 86%
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Histamine, serotonin and heparin are secreted by:

(1) Thrombocytes

(2) Lymphocytes

(3) Monocytes

(4) Basophils

Subtopic:  Blood: White Blood Cells |
 93%
From NCERT
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B and T forms, responsible for the immune response are the type of:

(1) Thrombocytes

(2) Lymphocytes

(3) Eosinophils

(4) Granulocytes

Subtopic:  Blood: General Description & RBC |
 93%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Assertion             :       In mollusca, circulatory system is of closed type.

Reason               :       The blood of mollusca contains haemoglobin

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Human Heart: Gross Anatomy |
 56%
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Assertion  :       Histamine is involved in allergic and inflammatory reactions.

Reason     :       Histamine is a vasodilator

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Blood: White Blood Cells |
 52%
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Assertion   :       Heart valves resemble swing doors in action.

Reason      :       Valves are present in the heart chamber, at the opening of the heart into large arteries and veins.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Human Heart: Gross Anatomy |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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