MCQ
Biogas is pathogen free because
- ✓Anaerobic digestion removes pathogens and bacteria
- BIt is toxic to pathogens
- CDuring decomposition, it produce antibiotics
- DCattle dung is pathogen free
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$(1)$ Medical termination of pregency $(MTP)$ during first trimester is generally safe
$(2)$ Generally chances of conception are nil until mother breast-feeds the infant upto two years
$(3)$ Intrauterine devices like copper$-T$ are effective contraceptives
$(4)$ Contraception pills may be taken upto one week after coitus to prevent conception Which two of the above statements are correct?