The Bio-digester technology can solve the open defecation problem faced by India

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Question

The Bio-digester technology can solve the open defecation problem faced by India and contribute to Swachh Bharat Mission. Which among the following is / are features of Bio-digester developed by DRDO?
1. It requires no drainage system or sewage treatment plant
2. It requires periodic charging with anaerobic bacterial inoculums if it is in regular use
3. It produces green energy
Select the correct option from the codes given below:

Options:

A . Only 1 & 2

B . Only 2 & 3

C . Only 1 & 3

D . 1, 2 & 3

Answer: Option C
BIO-DIGESTER BIO-TOILET IS 100% MAINTENANCE FREE. IT DOESN’T NEED ANY EXTERNAL ENERGY FOR TREATMENT. IT PRODUCES INFLAMMABLE GAS, WHICH CONTAINS MAXIMUM AMOUNT OF METHANE. IT PRODUCES GREEN ENERGY (RENEWABLE COOKING GAS).

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