Biology
Draw a neat and labeled diagram of the 'Internal structure of yeast'. Answer the following questions.
(a) Name the kingdom to which the yeast belongs.
(b) Is it unicellular or multicellular?
(c) Write the specific mode of nutrition in this organism.
(d) What are the suitable medium/places where yeast can grow successfully?
(e) Name two vitamins which are found in yeast.
(f) Write the economic importance of yeasts in two points.
Answer
Labeled diagram showing the ‘Internal structure of yeast’ is given below:
(a) Fungi
(b) Unicellular
(c) Yeast has a heterotrophic mode of nutrition.
(d) Yeast can grow successfully in moist and warm conditions in presence of sugar.
(e) Yeast is a source of vitamin B and vitamin E.
(f) Two points highlighting the economic importance of yeasts are:
- Yeast is used in breweries to produce alcohol by the fermentation of sugar.
- Yeast is used in bakeries to prepare bread.
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