Ascariasis is caused by an endo parasite of human $...A...$ commonly called $...B...$ Here $A$ and $B$ refers to
$A$ - Ascaris suum; $B$ -tapeworm
$A$ -Ascaris; $B$ -roundworm
$A$ -Ascaris worm; $B$ -flatworm
$A$ -Ascaris; $B$ -liver worm
$A$ - Acid in the stomach and saliva in the mouthare examples of physiological barrier.
$R$ - Tears from eyes is example of physicalbarrier.
Which one of the following statements is correct with respect to $AIDS$ ?
Which of the following is primarily concerned with protection against germs
Full forms : $PID$
$ADH$ is secreted from the posterior lobe of pituitary and its deficiency leads to