Identify the correct statement regarding diseases and immunity.

  • A
    If $B$-lymphocytes and $T$-lymphocytes are damaged for any reason,the body will not produce antibodies against pathogens.
  • B
    Injection of killed/weakened pathogens provides passive immunity.
  • C
    Some protozoans are used to produce the $Hepatitis-B$ vaccine.
  • D
    The injection of antivenom used during a snake bite is an example of active immunity.

Explore More

Similar Questions

Primary lymphoid organs $- P$
Secondary lymphoid organs $- Q$
$I -$ Appendix, $II -$ Peyer's patches of small intestine,
$III -$ Thymus, $IV -$ Spleen, $V -$ Lymph node, $VI -$ Bone marrow, $VII -$ Tonsils
Select the correct option for $P$ and $Q$.
$\quad P \quad \quad Q$

Which is the first line of defense in the human body?

Which of the following provides the microenvironment for the maturation of $T$-lymphocytes?

Snake venom antibody, which is prepared against snake venom, is an example of which type of immunization?

Which of the following is true for $T-$lymphocytes in mammals?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo