Antibody formation and immunity production is done by a protein called globulin present in the

Nicotine acts as a stimulant because it mimics the effect of

Which group of three of the following five statements $(I-V)$ contains is correct regarding beriberi?

$I.$ A crippling disease prevalent among the native population of sub-Sahara Africa.

$II.$ A deficiency disease caused by lack of thiamine (vitamin- $B_{1}$ ).

$III.$ A nutritional disorder in infants and young children when the diet is persistantly deficient in essential protein.

$IV.$ Occurs in those countries where the staple diet is polished rice.

$V.$ The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.

Assertion: $LSD$ and marijuana are clinically used as a analgesics.

Reason: Both these drugs suppress brain function.

Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described ?

The blood cancer is also known as