MCQ
There is more competition for survival between
- ADifferent animals of same niche
- ✓Same animals of same niche
- CDifferent animals of different niche
- DSame animals of different niche
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| Disorder | Causative factor | Effected organ |
| (i) Rheumatoid arthritis | IgM | Joints |
| (ii) Ascariasis | Nematode | Scrotum and intestine |
| (iii) Pneumonia | Streptococcus | Neuromuscular junction |
| (iv) Ringworm | Epidermophyton | T-lymphocytes |