EASY
Earn 100
In Swiss cheese, big holes are made by a
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Important Questions on Enhancement of Food Production
MEDIUM
Match the following organisms with the products they produce:
| Column - I | Column – II | ||
|---|---|---|---|
| Clostridium butylicum | Lactic acid | ||
| Saccharomyces cerevisiae | Butyric acid | ||
| Aspergillus niger | Citric acid | ||
| Acetobacter aceti | Alcohol | ||
| Acetic acid |
EASY
Role of microbes in household food processing.
HARD
An example of microbe in human welfare is given. Classify it under the headings given below:
Some examples of microbes in human welfare are given. Classify them under the headings given below:
[Egs : Rhizobium, Propionibacterium sharmanii, Azospirillum, Lactic acid bacteria, Anabaena, Azotobacter, Aspergillus niger, Saccharomyces cerevisiae]
| Microbes in household | Microbe as Biofertilisers |
EASY
Which one of the following is the baker’s yeast used in fermentation?
EASY
Yeast is an important source of
EASY
Fresh meat is putrefied by
EASY
Which of the following food items is produced by the fermenting activity of microbes?
(i) Idli
(ii) Dosa
(iii) Toddy
(iv) Cheese
MEDIUM
Rising of dough is due to
EASY
Roquefort cheese is ripened by using a
EASY
Vinegar is obtained by double fermentation of starch or sugary material. The first step of fermentation is achieved by addition of Saccharomyces cerevisiae and second step is achieved by the addition of
EASY
During the formation of bread it becomes porous due to release of CO2 by the action of
EASY
Cheese and yoghurt are products of the process -
EASY
Dosa and Idli are fermented preparation of rice and black gram. The fermentation is done with
EASY
Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.
HARD
Briefly describe the household products produced through the agency of microbes.
MEDIUM
Bacteria cannot be seen with the naked eyes, but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes with the help of a microscope, which sample would you carry and why?
EASY
Cotyledons are also called-
EASY
Milk is changed into curd by
