question_answer

A child met with an accident is administered tetanus antitoxin and not a tetanus vaccine. Give reason.

Or

Biofortified maize and wheat are considered to be nutritionally much improved than the original crops. State any two reasons.

Answer:

In case of injury, tetanus antitoxin, i.e. preformed antibodies for tetanus are injected because the child may get infected with deadly microbes (tetanus-bacteria) for which fast immunisation is required. If tetanus vaccine is injected, it will take some time to develop immunity against the pathogen in body and that will be too late and may prove fatal.

Or

Biofortified maize and wheat are nutritionally improved because of following two main reasons

Hybrid maize has twice the amount of amino acids, i.e. lysine and tryptophan.

Hybrid wheat contains more quantity of protein.