Amarnath Mishra, Geeta Mehta, Rajesh Mohan and, Deepti Lehri Solutions for Chapter: Microorganisms, Exercise 1: Exercises

What is the study of microorganisms called?

The tangled mass of thread-like structures formed by moulds is called _____.

Blue-green algae are now called cyanobacteria because they are more like _____.

_____ form the link in the food chain between algae and small aquatic organisms.

Fill in the blank with the option given in bracket.

_____ means ‘the first animal’.(Protozoa/ Monera)

$\mathrm{S}\mathrm{u}\mathrm{g}\mathrm{a}\mathrm{r}$ $\stackrel{\mathrm{f}\mathrm{e}\mathrm{r}\mathrm{m}\mathrm{e}\mathrm{n}\mathrm{t}\mathrm{a}\mathrm{t}\mathrm{i}\mathrm{o}\mathrm{n}}{\to }\mathrm{C}\mathrm{a}\mathrm{r}\mathrm{b}\mathrm{o}\mathrm{n}\mathrm{}\mathrm{d}\mathrm{i}\mathrm{o}\mathrm{x}\mathrm{i}\mathrm{d}\mathrm{e}+$_____.

The spore case of moulds is called _____.(sporangium/ endospores)

Microorganisms living in the roots of peas, grams, and so on, can convert nitrogen of the air to nitrates. These are