Other kinds of bacteria, which grow anaerobically, digest the bacteria and the ______ in the sludge.
2 of 15
A living and ______ ecosystem type of ecosystem does an organic farmer aim to create
3 of 15
Besides macroscopic plants and animals, ______ are the major components of biological systems on this earth.
4 of 15
Microbes are present everywhere – in soil, water, air, inside ______ and that of other animals and plants.
5 of 15
They are present even at sites where no other life-form could possibly exist–sites such as deep inside the geysers ( ______ ) where the temperature may be as high as 100°C, deep in the soil, under the layers of snow several metres thick, and in highly acidic environments.
6 of 15
Microbes are diverse–protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also ______ that are proteinacious infectious agents.
7 of 15
Microbes like bacteria and many ______ can be grown on nutritive media to form colonies, that can be seen with the naked eyes. Such cultures are useful in studies on micro-organisms.
8 of 15
Adenovirus which causes ______ infections
9 of 15
Micro-organisms such as ______ and others commonly called lactic acid bacteria (LAB) grow in milk and convert it to curd.
10 of 15
The LAB produce acids that coagulate and ______ digest the milk proteins.
11 of 15
A small amount of curd added to the fresh milk as inoculum or starter contain ______ of LAB, which at suitable temperatures multiply, thus converting milk to curd,
12 of 15
LAB, which also improves its nutritional quality by increasing ______ . In our stomach too, the LAB play very beneficial role in checking disease-causing microbes.
13 of 15
The dough, which is used for making foods such as dosa and idli is also fermented by ______ . The puffed-up appearance of dough is due to the production of ______ gas
14 of 15
Similarly the dough, which is used for making bread, is fermented using ______ (Saccharomyces cerevisiae).
15 of 15
A number of traditional drinks and foods are also made by fermentation by the microbes. ‘Toddy’, a traditional drink of some parts of southern India is made by ______ from palms.
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