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प्रश्न
State whether the following statement is true or false. Explain your statement.
Tomato wilt is a viral disease.
पर्याय
True
False
उत्तर
This statement is True.
Explanation:
- In Australia, the tomato wilt disease was first identified in 1919.
- Later, it was found that the tomato-spotted wilt virus is responsible for the disease's spread.
- The disease causes leaves to turn from green to yellow-brown colour.
- As they begin to droop, the leaves' shapes change.
संबंधित प्रश्न
Alcohol is produced with the help of _________.
What are the major groups of microorganisms?
Match the pairs
| ‘A’ group | ‘B’ group | ||
| a. | Xylitol | 1. | Pigment |
| b. | Citric acid | 2. | To impart sweetness |
| c. | Lycopene | 3. | Microbial restrictor |
| d. | Nycin | 4. | Protein binding emulsifier |
| 5. | To impart acidity | ||
Give a scientific reason.
Use of mutant strains has been increased in industrial microbiology.
Draw a neat and labelled diagram.
Different types of bacteria.
Which are the different types of micro-organisms?
Give reasons.
A refrigerator is used in almost every home.
While returning from the school, Boojho ate chaat from a street hawker. When he reached home, he felt ill and complained of stomach ache and fell ill. What could be the reason?
Yeasts are a rich source of ______.
Vaccines stimulate the body to produce ______ against the ______ in the microbes.
