Nitrogenous wastes are absorbed and converted to uric acid in cockroach by:
| 1. | Nephridia | 2. | Malpighian tubules |
| 3. | Fat body | 4. | Mushroom gland |

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| I: | Malpighian tubules are used in osmoregulation and excretion in cockroach. |
| II: | Malpighian tubules are present at the junction of the midgut and the hindgut in the alimentary canal of cockroach. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |

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| I: | Malpighian tubules are lined by glandular and ciliated cells. |
| II: | Uric acid is the nitrogenous metabolic excretory product. |
| III: | Fat body, nephrocytes and urecose glands also help in excretion. |
| 1. | Only II is correct |
| 2. | Only I and II are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |

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