Fill in the blanks:
(a) Microorganisms can be seen with the help of a ____________.
View AnswerMicroscope
(b) Blue green algae fix __________ directly from air to enhance fertility of soil.
View AnswerNitrogen
(c) Alcohol is produced with the help of __________.
View AnswerYeast
(d) Cholera is caused by __________.
View AnswerBacteria
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
