Name the vitamins, deficiency of which cause
(i) Night-blindness
(ii) Rickets
(iii) Poor coagulation of blood
(iv) Impotency

Explanation

To answer the question regarding the vitamins whose deficiencies cause specific health issues, we can break it down step by step:

### Step-by-Step Solution:

1. **Identify the vitamin for Night-blindness:**
- Night-blindness is caused by a deficiency of **Vitamin A**.
- **Sources of Vitamin A** include carrots, cabbage, eggs, and papaya.

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