BIOGAS

A biogas plant is where biogas is produced by fermenting biomass Biogas is a better fuel than animal dung cake because q (a)Biogas is a renewable source of energy (b) Animal dung cake has higher calorific value (c ) Biogas has high heating capacity (d )Biogas burns without smoke

Which of the following statements is not true for biogas? (a) In village areas biogas plants are developed more (b) Biogas is a mixture of gases which are used as fuel energy. (c) Bacterial activities are used in biogas plants (d) Methane is a major gas in biogas. (A) only (a) (B) (a) and (b) (C) (a), (b) and (c) (D) none of these