MCQ
The derivative of `sqrt(x^2 + 1)` is
- A`x/sqrt(x^2 - 1)`
- B`x/(2sqrt(x^2 - 1))`
- C`(2x)/sqrt(x^2 - 1)`
- ✓`x/sqrt(x^2 + 1)`
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| Part of nephron | Location | Function | |
| i. | Malpighian body | Cortex | Filtering blood |
| ii. | Proximal convoluted tubule | Cortex | Absorption of useful substances |
| iii. | Distal convoluted tubule | Only Medulla | Absorption of urea by action of ADH |
| iv. | Collecting duct | Either Cortex or Medulla | Collection of urine |