Download App

Human Health and Disease — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
Question
Name the primary and secondary lymphoid organs.
✓

Answer

(i) Primary Lymphoid Organs: Bone Marrow and Thymus.
(ii) Secondary Lymphoid Organs: Spleen, Lymph Glands, Tonsils, Appendix and paired screws of small intestine etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Human Health and Disease→Human Health and Disease — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

What is commensalism?
→
Expand ELISA:
  1. Enzyme linked inductive assay
  2. Enzyme linked ion sorbent assay
  3. Enzyme linked immunosorbent assay
  4. None of the above
→
How does Cu-7, Multiload 375 and progestasert, LNG-20 differ in contraceptive action?
→
Give a biological term for single step large mutation.
→
Name any two national parks of India.
→
How is the first sign of growing foetus noticed?
→
What are the major components of seminal plasma?
→
Name the sociobiologist who popularised the term biodiversity.
→
What is gene therapy?
→
A monkey can hold object by its hand elephant by its trunk. State whether in are analogous or homologous.
→