1.

Explain the following terms.i) Pasteurization ii) Fermentation iii) Serum iv) Vaccination v) Permanent tissue

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Answer:

  1. pasteurization:- the partial sterilization of a product, such as milk or wine, to make it safe for consumption and improve its keeping quality.
  2. fermentation:- the chemical breakdown of a substance by BACTERIA, YEASTS, or other microorganisms, typically involving effervescence and the giving off of heat.
  3. SERUM:- an amber-coloured, protein-rich LIQUID which separates out when blood coagulates.
  4. vaccination:- TREATMENT with a vaccine to produce immunity against a disease; inoculation.
  5. permanent tissue:- plant tissue that has completed its growth and differentiation and is usually incapable of meristematic activity.


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