(a) Name the causative organisms for the following diseases :
(i) Elephantiasis
(ii) Ringworn
(iii) Amoebiasis
(b) How can public hygiene help control such diseases ?

Explanation

### Step-by-Step Solution:

**(a) Name the causative organisms for the following diseases:**

(i) **Elephantiasis**:
- The causative organism for Elephantiasis is **Wuchereria bancrofti**. This organism is a type of filarial worm and is classified under the kingdom Animalia, phylum Nematoda.

(ii) **Ringworm**:
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