List of top Zoology Questions on Immunity

Allergy is caused due to the release of chemicals like:
निम्नलिखित में से कौन से द्वितीयक लसीका अंग हैं?
(a) अस्थि मज्जा
(b) टॉन्सिल
(c) प्लीहा
(d) थाइमस
नीचे दिए गए विकल्पों में से सही उत्तर चुनें :
Which of the following are secondary lymphoid organs?
(a) Bone marrow
(b) Tonsils
(c) Spleen
(d) Thymus
Choose the correct answer from the options given below :
Colostrum, secreted by mother during initial days of lactation, is abundant in
Assertion (A): Breast feeding during the initial period of infant growth is necessary for bringing up a healthy baby. Reason (R): Colostrum contains several antibodies, especially IgA type.
Statement I: Part of antibody that binds with the antigen is called paratope. Statement II: Part of antigen that binds with the antibody is known as epitope.
Which of the following immunoglobulin (Ig) is present in colostrum?
Study the following statements regarding immune system and choose the correct statements: I. Memory B-cells are responsible for rapid and enhanced secondary immune response. II. Complement system proteins are mainly present in blood plasma and are part of adaptive immunity. III. Cell mediated immunity is mainly carried out by cytotoxic T-cells. IV. Plasma cells directly attack and phagocytose pathogens.