| Assertion (A): | Nephrons are of two types: Cortical & Juxta medullary, based on their relative position in cortex and medulla. |
| Reason (R): | Juxta medullary nephrons have short-loop of Henle whereas, cortical nephrons have longer loop of Henle. |
| 1. | (A) is False, (R) is True. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 4. | (A) is True, (R) is False. |
Match the items in Column - I with those in Column - II:
| Column I | Column II | ||
| (a) | Podocytes | (i) | Crystallised oxalate |
| (b) | Protonephridia | (ii) | Annelids |
| (c) | Nephridia | (iii) | Amphioxus |
| (d) | Renal calculi | (iv) | Filtration slits |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (ii) | (iii) | (i) |