With reference to bio ndash toilets used by the Indian Railways consider the following statemen...........

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With reference to bio –toilets used by the Indian Railways, consider the following statements:

1. The decomposition of human waste in the Bio –toilets is initiated by a fungal inoculum

2. Ammonia and water vapour are the only end product in this decomposition which Are realesed into atmosphere

Which of the statements given is/are Correct?

1 only

2 only

both 1and 2

neither 1 nor 2

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Explanation:

under the bio toilet concept of DRDO ,the bio –digester tank in every toilet is filled with inoculums containing four types of bacteria .
The water trap system in the toilet prevents air from getting into tank,the human waste is processed by anaerobic bacteria in seven chambers in the tank and methane gas is allowed to escape into the air.