The correct order of iron-ore mines from south-west to north-east is:
- Kudremukh (iv) – located in the south-western part of India, in Karnataka.
- Ballari (iii) – located to the north-east of Kudremukh, also in Karnataka.
- Bailadila (i) – located further north in Chhattisgarh.
- Mayurbhanj (ii) – located in the north-eastern part, in Odisha.
Hence, the correct sequence is (iv), (iii), (i), and (ii), which corresponds to option (C).

Flowering plants with hermaphrodite flowers have developed many reproductive strategies to ensure cross-pollination. Study the given outbreeding devices adopted by certain flowering plants and answer the questions that follow. 
Note : All plants belong to the same species. No pollen tube growth/inhibition of pollen germination on stigma. Pollen germination on stigma.
The correct IUPAC name of \([ \text{Pt}(\text{NH}_3)_2\text{Cl}_2 ]^{2+} \) is: