Q. No.B and T forms, responsible for the immune response are the type of:
(1) Thrombocytes
(2) Lymphocytes
(3) Eosinophils
(4) Granulocytes
Histamine, serotonin and heparin are secreted by:
(1) Thrombocytes
(2) Lymphocytes
(3) Monocytes
(4) Basophils
Assertion : Closed circulatory system is more effective than open type.
Reason : The closed circulatory system considerably enhances the speed, precision and efficiency of circulation.
RBCs in human are:
(1) Biconcave-and nucleated
(2) Biconvex and nucleated
(3) Biconcave and enucleated
(4) Biconvex and enucleated
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
Assertion : Cardiac output rises during exercise.
Reason : Cardiac output helps in less oxygen consumption.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : In mollusca, circulatory system is of closed type.
Reason : The blood of mollusca contains haemoglobin
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : Histamine is involved in allergic and inflammatory reactions.
Reason : Histamine is a vasodilator
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : EEG is of immense diagnostic value in the cardiac diseases.
Reason : Defects in cardiac functions can be reflected in changes in the pattern of electrical potentials recorded in the EEG.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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