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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Which plant is used for the indication of permanent wilting point? (IFFCO 2022)

    Question: Which plant is used for the indication of permanent wilting point? (IFFCO 2022)

    Options:

    Controlling environmental conditions
    Use of chemicals
    Both a and b
    Killing micro-organisms

    ✅Explanation:

    • Bacteriostatic methods aim to inhibit the growth and reproduction of bacteria without necessarily killing them. This can be achieved through:

    ✏Controlling environmental conditions:
    -Temperature: Refrigeration slows down bacterial growth.
    -pH: Creating acidic conditions can inhibit bacterial growth (e.g., pickling).
    -Oxygen availability: Controlling oxygen levels can limit the growth of certain bacteria.
    -Nutrient availability: Limiting access to nutrients can prevent bacterial proliferation.

    🔑Key Points:

    -Antibiotics are naturally or synthetically produced chemical compounds that fight against bacterial infections.
    -The antibiotic that prevents bacterial infection by destroying the bacterial microorganisms is identified as bactericidal.
    -For example, penicillin, aminoglycosides, and ofloxacin.
    -The antibiotic that prevents bacterial infection by inhibiting the growth of bacterial microorganisms is identified as bacteriostatic.
    -For example, erythromycin, tetracycline, and chloramphenicol.

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