MCQ
Ligulate corolla found in compositae is
- AWheel-shaped
- ✓Strap-shaped
- CMasked
- DTwo-lipped
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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 |
$(i)$ Differentiation of megaspore mother cells
$(ii)$ Meiosis of the megaspore mother cell
$(iii)$ Formation of a linear tetrad
$(iv)$ Mitotic division of the functional megaspore
$(v)$ Degeneration of 3 megaspores
$(vi)$ Formation of embryo sac
$(vii)$ Fusion of polar nuclei
The correct sequence is