The disease caused by a protozon and spread by an insect is________.

The two micro-organism which live in symbiotic association in lichens are

The gas released during the preparation of bread is

Paheli dug two pits, A and B, in her garden. In pit A, she put a polythene bag packed with some agriculture waste. In pit B, she dumped the same kind of a waste but without packing it in a polythene bag. She then covered both the pits with soil. What did she observe after a month?

Unscramble the jumbled words underlined in the following statements.

(a) cells of our body produce antidote fight pathogens.

(b) curbossulite is an air-borne disease caused by a bacterium.

(c) Xanrhat is a dangerous bacterial disease.

(d) Yeasts are used in the wine industry because of their property of meronettinaf.