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प्रश्न
Why should we avoid standing close to a tuberculosis patient while he/she is coughing?
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उत्तर
Tuberculosis is an air-borne disease, which is easily spreads when the infected person coughs. As coughing spreads germs in the air and these germs remain suspended in air until inhaled by person present in promixity of the patient who is suffering from the disease. That is why we should avoid standing close to a TB patient.
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संबंधित प्रश्न
Which of the following is TRUE regarding Rhizobium?
Which free living microorganism helps in nitrogen fixation?
The nitrogen molecules present in the air can be converted into nitrates and nitrites by
In the nitrogen cycle, which of the following play an important role?
Match Column - I with Column - II.
| Column - I | Column - II | ||
| (a) | Nitrococcus | (i) | Denitrification |
| (b) | Rhizobium | (ii) | Conversion of ammonia to nitrite |
| (c) | Thiobacillus | (iii) | Conversion of nitrite to nitrate |
| (d) | Nitrobacter | (iv) | Conversion of atmospheric nitrogen to ammonia |
Choose the correct answer from the options given below.
______ is the primary nutrient, important for the survival of all living organisms.
In the Nitrification process, the ammonium compounds are oxidised to soluble ______.
The atmosphere is a rich source of ______.
The blue-green algae that take part in nitrogen fixation are also called ______.
Which of the following statement is incorrect with regard to combustion?
