In the diagram A, B, C, D, and E respectively are :
| 1. | Mammary lobe, Mammary alveolus, mammary duct, ampulla, Lactiferous |
| 2. | Mammary alveolus, Mammary lobe, ampulla, mammary duct, Lactiferous |
| 3. | Mammary duct, ampulla, Lactiferous, Mammary lobe, Mammary alveolus |
| 4. | Ampulla, Lactiferous, Mammary lobe, Mammary alveolus, mammary duct |

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| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
| I: | In women, abnormally high prolactin level is often associated with amenorrhea. |
| II: | Corpus luteum degenerates early in the event of fertilization |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |