SCIENCE CLASS 27th APRIL'20 CLASS DETAIL; HOME WORK ;DOCUMENT ; LINK FOR VIDEO AND ADDITIONAL VIDEO

27th APRIL'20
VIRTUAL ONLINE CLASS
Subject: Science
Ch- 2 MICROORGANISM

Topic: FRIENDLY MICROBES

USE of microbes

  • To keep the Environment clean
  • In Food Industry 
  • In Medicines (discussed today)
  • Other important uses (discussed today).

Note :

According to SSD (between us portal.)

ADDITIONAL LINK FOR BETTER UNDERSTANDING.


HOME WORK


1. Give reasons :
      a. Probiotics acts as Immunity boosters.
      b. Bacteria are used in the production of insulin.
      c. Seaweed are good manure.
      d. If you take antibiotics too often without medical advice.

2. a.what are penicillium?
    b.How vaccines are prepared. 

3. Name out use of microbes in medicines.

4.a. How Rhizobium bacteria help plants to use atmospheric nitrogen.
   b.How certain bacteria are used for pest control.

5. Fill in the blanks:
    1.______and many bacteria are used for producing Vitamin B.
    2.Iodine used in medicines is obtained from________.
    3.Blue -green Algae are used as_____________.
    4.Microorganisms present in the stomach of ruminants help in digesting__________.
    5.___________are used as food for fish.
    6._________are used in cleaning the hides of animals in tanneries.
    7.bacteria such as ______, _________and some cyanobacteria found living freely in the soil and also have ability to fix the atmospheric nitrogen. 











                            

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