Question:
Any foreign substance invading body and capable of stimulating an immune response is _________ .
Any foreign substance invading body and capable of stimulating an immune response is _________ .
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The term for such a substance begins with anti and relates to generating antibodies.
Updated On: Nov 13, 2026
antibody
antibiotic
antigen
anticoagulant
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
A substance that is recognised as foreign and stimulates an immune response is called an antigen.
Step 2: Compare the options
Antibody is made by the body, antibiotic kills microbes and anticoagulant prevents clotting.
Step 3: Conclusion
Therefore, the foreign substance is an antigen.
Final Answer:
The foreign substance is an antigen. \[ \boxed{\text{(C) }\text{antigen}} \]
A substance that is recognised as foreign and stimulates an immune response is called an antigen.
Step 2: Compare the options
Antibody is made by the body, antibiotic kills microbes and anticoagulant prevents clotting.
Step 3: Conclusion
Therefore, the foreign substance is an antigen.
Final Answer:
The foreign substance is an antigen. \[ \boxed{\text{(C) }\text{antigen}} \]
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