Name the following
A type of antibiotics which are useful against a wide variety of bacteria.

Complete the paragraph by choosing the words given in the bracket : (Pathogen, broad spectrum, bacteria, Medicine, antibiotics, fungi) Carbon compounds obtained from some bacteria and ......... for destroying or preventing the growth of harmful micro-organisms are called '...........' Antibiotics, a discovery of the 20th century, have brought about a revolution in the field of... Antibiotics mainly act against .......... Some antibiotics are useful against a wide variety of bacteria. They are called ......... antibiotics. They are used when the ......... cannot be identified.

Name the following : Types of parenchyma.

Name the following: Antibiotics

Name the following: Substances which are used as essence.

Name the following Two types of mfechanical energy.

Name the following: Substances which are used as emulsifiers.

Name the following: Two useful bacteria.

Name the following: Species of bacteria which decompose. PET.

Name the following: Exotic varieties of cow.

Which of the following is NOT an antibiotic?