AIDS is characterised by a sharp reduction is

  • A

    Helper $T-$ cells

  • B

    Killer $T-$ Cells

  • C

    Suppressor $T-$ Cells

  • D

    $B-$ lymphocytes

Similar Questions

$A$ : Live attenuated vaccine is better in terms of immunity provided to the recipient.
$R$ : As secondary lymphoid organs, example peyer's patches are stimulated to protect the individual.

Malignant malaria is caused by

The spread of cancerous cells to distant sites is termed as

During conjugation in Paramecium

Which of the following disease is due to an allergic reaction

  • [AIIMS 1998]