Which of the following are primary lymphoid organs?

  • A
    Bone marrow and Spleen
  • B
    Spleen and Thymus
  • C
    Bone marrow and Tonsils
  • D
    Thymus and Bone marrow

Explore More

Similar Questions

Identify the cells that form a phagolysosome.

Choose the true statements.
$I.$ Innate immunity is accomplished by providing different types of barriers.
$II.$ Acquired immunity is present from birth and is inherited from parents.
$III.$ Sweat,tears,acid in the stomach,and saliva prevent microbial growth.

Which lymphoid organ decreases in size with increasing age?

Antibodies are synthesized by . . . . . . .

The secretion of interferon is inhibited by . . . . . . .

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