Student to attempt either option-(A) or (B): (A) Answer the following questions: (i) State what do you understand by "MALT"? Where it is located…

$\displaystyle \star$ MALT is Mucosa Associated Lymphoid Tissue

$\displaystyle \star$ It is located within the lining of the major tracts like Respiratory or digestive or urogenital tract.

Cytokine barriers – virus infected cells secrete proteins called interferons which protect non-infected cells from further viral infection.

Enzyme Linked Immuno-sorbent Assay or ELISA ,ELISA is based on the principle of antigen-antibody interaction

PCR or Polymerase Chain Reaction , amplification of nucleic acid

Both Bone marrow and thymus provide micro- environment for the development and maturation of T-lymphocytes / immature lymphocyte differentiate into antigen sensitive lymphocytes / Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced and some lymphocytes migrate to thymus for development and maturation.

H = Clostridium butylicum

I = Bacteria

J = Statin

K = Fungi / Yeast

L = Trichoderma polysporum

M = Immunosuppressant /Suppress immune system in patients with newly transplanted organs

Baculovirus are species specific, narrow spectrum insecticidal properties,No negative impact on non target species like plants or mammals or birds or fishes.