Biology
Yeast is a kind of microscopic organism which readily grows in all kinds of sugary solutions and in plant exudations containing sugar. Yeast is economically important in many ways. Some are given below:
P. In breweries
Q. In bakeries
R. Curing of tobacco
In which of the following processes/ways does yeast not play an important role ?
- Only R
- Only P and Q
- Only P, Q and R
- None of the above
Related Questions
Which one of the following is a rabi crop?
- Mustard
- Pea
- Rice
- Wheat
Among the following, a kharif crop is :
- Barley
- Mustard
- Rice
- Wheat
Amit and Sumit studied different kinds of microbes like viruses, bacteria, algae, fungi and protozoa. Which of the following statements does not match with the characteristic features of fungi ?
- Fungi may be unicellular or multicellular.
- They do not have chlorophyll and cannot prepare their own food.
- Fungi help in biological nitrogen fixation and improve the soil fertility.
- They are saprophytic in nature.
Assertion (A): Some bacterial cells have an outermost slimy gelatinous layer in the form of a capsule.
Reason (R): Capsule protects the bacterium from desiccation and toxic compounds.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.