This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Which of the following statements is true about hapten - 
Select and explain. 
A. It induces brisk immune response, B. It needs carrier to induce immune response, C. It is a T-independent Antigen, D. It has no association with MHC
B: It needs carrier to induce immune response
Answer: B: It needs carrier to induce immune response 
Explanation: Haptens are small molecules that elicit an immune response only when attached to a large carrier such as a protein Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg:87