Immunological Techniques
RAST test (radio allergosorbent test) is often used to detect

antibodies associated with allergies (IgE)
bacteriophages
antigen associated with allergies (IgE)
None of these

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Immunological Techniques
What would happen if serum is omitted from the ELISA, but all other steps remain same?

Anti-human Ig-conjugate would not bind and be washed away
Both (a) and (b)
The OD values would be nearly the same as the assay control
Anti-human Ig-conjugate would bind non-specifically to the ELISA plate

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Immunological Techniques
What would happen if the anti-human Ig-conjugate is not washed free of the well before the substrate is added?

All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate
None of these
The ELISA would develop normally
The ELISA would not develop when the substrate was added

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Immunological Techniques
In Rocket Immunodiffusion the length of the rocket is

inversely proportional to the amount of antigen placed in each well
proportional to the amount of antigen placed in each well
proportional to the amount of antibody placed in each well
inversely proportional to the amount of antibody placed in each well

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