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Posttest

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Ouchterlony Double Diffusion - Patterns

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1.In Ouchterlony double diffusion

a: Only antigen is allowed to migrate Explanation

Explanation

b: Only antibody is allowed to migrate Explanation

Explanation

c: Neither antibody nor antigen are allowed to migrate Explanation

Explanation

d: Both antigen and antibody are allowed to migrate Explanation

Explanation

2.Pattern of identity is observed in Ouchterlony double diffusion only if

a: the two antigens are immunologically unrelated Explanation

Explanation

b: the two antigens are partially identical Explanation

Explanation

c: the two antigens are immunologically identical Explanation

Explanation

d: None of the above Explanation

Explanation

3.Double diffusion is based on the principle of precipitation

a: True Explanation

Explanation

b: False Explanation

Explanation

4.Antibody can bind to

a: The whole antigen molecule Explanation

Explanation

b: Antigenic determinants Explanation

Explanation

c: B-cell receptor Explanation

Explanation

d: T-cell receptor Explanation

Explanation

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