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From Karnataka Open Educational Resources
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|style="width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|
[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_History The Story of Science]
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[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_History The Story of Science]
|style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Philosophy Philosophy of Science]
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|style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Philosophy Philosophy of Science]
 
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|style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|
[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Pedagogy Teaching of Science]
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[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Pedagogy Teaching of Science]
 
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|style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|
[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Curriculum_and_Syllabus Curriculum and Syllabus]
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[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Curriculum_and_Syllabus Curriculum and Syllabus]
 
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[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Topics Topics in School Science]
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[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Topics Topics in School Science]
 
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|style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|
[http://www.karnatakaeducation.org.in/KOER/en/index.php/Textbooks#Science_-_Textbooks Textbooks]
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[http://karnatakaeducation.org.in/KOER/en/index.php/Textbooks#Science_-_Textbooks Textbooks]
 
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|style=" width:10%; border:none; border-radius:5px;box-shadow: 5px 5px 5px #888888; background:#f9f9ff; vertical-align:middle; text-align:center; "|
[http://www.karnatakaeducation.org.in/KOER/en/index.php/Science:_Question_Papers Question Bank]
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[http://karnatakaeducation.org.in/KOER/en/index.php/Science:_Question_Papers Question Bank]
 
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While creating a resource page, please click here for a resource creation [http://karnatakaeducation.org.in/KOER/en/index.php/Resource_Creation_Checklist '''checklist''']
 
While creating a resource page, please click here for a resource creation [http://karnatakaeducation.org.in/KOER/en/index.php/Resource_Creation_Checklist '''checklist''']
 
= Concept Map =
 
= Concept Map =
 
__FORCETOC__
 
__FORCETOC__
<mm>[[Bacteria.mm|Flash]]</mm>
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[[File:Bacteria.mm|Flash]]
    
= Textbook =
 
= Textbook =
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(i) '''Photoautorophs''' trap solar energy for utilization CO2 and use H2S in place of H2O. Thus, O2 is never released.<br>
 
(i) '''Photoautorophs''' trap solar energy for utilization CO2 and use H2S in place of H2O. Thus, O2 is never released.<br>
 
(ii) '''Chemoautotrophs''' obtain energy from chemical by oxidation process for food synthesis and carbon from CO2.<br> This type include nitrifying bacteria, sulphur bacteria, iron bacteria etc.<br> Heterotrophs are also of two types- Photoheterotrophs and chemoheterotrophs. <br>Photoheterotrophs use light as energy source and an organic compound as source of carbon, e.g. Green and purple bacteria. <br>Chemoheterotrophs use chemical as energy and carbon may also be obtained from the same organic substances.<br> Most of the bacteria belong to this type.<br>
 
(ii) '''Chemoautotrophs''' obtain energy from chemical by oxidation process for food synthesis and carbon from CO2.<br> This type include nitrifying bacteria, sulphur bacteria, iron bacteria etc.<br> Heterotrophs are also of two types- Photoheterotrophs and chemoheterotrophs. <br>Photoheterotrophs use light as energy source and an organic compound as source of carbon, e.g. Green and purple bacteria. <br>Chemoheterotrophs use chemical as energy and carbon may also be obtained from the same organic substances.<br> Most of the bacteria belong to this type.<br>
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[[File:Mode of Nutrition in Bacteria.png|400px]]
    
'''Nutritional types in bacterial metabolism
 
'''Nutritional types in bacterial metabolism
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====Reproduction in Bacteria====  
 
====Reproduction in Bacteria====  
 
The sexual or asexual process by which organisms generate new individuals of the same kind is '''reproduction.'''<br>
 
The sexual or asexual process by which organisms generate new individuals of the same kind is '''reproduction.'''<br>
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#Classify bacteria on the basis of  shapes.     
 
#Classify bacteria on the basis of  shapes.     
 
#Identify  the structure and morphology of bacteria.
 
#Identify  the structure and morphology of bacteria.
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#understand the  modes of nutrition  in bacteria.
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#Identify differences between the  asexual and sexual types of  reproduction in bacteria.
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#understand the  economic importance of bacteria and its uses.
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#describe about the harmful effects of  bacteria.
    
===Notes for teachers===
 
===Notes for teachers===
Teacher can introduce the lesson on bacteria by giving a brief introduction about monera and prokaryotes.<br> ( Internal link the lesson Click here [[:File:1. introduction to monera.pdf]]Introduction to monera for reference). <br>
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Teacher can introduce the lesson on bacteria by giving a brief introduction about monera and prokaryotes.<br> ( Internal link the lesson Click here [[:File:1. introduction to monera.pdf]]<br>
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Introduction to monera for reference).<br>
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Refer this link to show bacteria on Human Body and its effects.[http://t2.gstatic.com/images?q=tbn:ANd9GcSdG85L1SRf5DY-ptAg3VrowS8dwS2Cq4iAXG9p9Wy4NltDqUtc2g]<br>
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'''It is better if teachers refer the websites concerned to the topic . Few  links are given in web resources heading.'''<br>
 
4. Teacher Should be familiar with the meaning of following terms related to bacteria.<br>
 
4. Teacher Should be familiar with the meaning of following terms related to bacteria.<br>
 
'''Words to Know''' <br>
 
'''Words to Know''' <br>
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|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
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''[http://karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
 
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*
 
*
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 Time Required: 20 Minutes.<br>
 
 Time Required: 20 Minutes.<br>
 
*Multimedia resources<br>
 
*Multimedia resources<br>
  Charts/ Diagrams  
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Charts/ Diagrams  
 
*'''Website interactives/ links/ simulations'''<br>
 
*'''Website interactives/ links/ simulations'''<br>
 
Wesite interactions/links/ simulations
 
Wesite interactions/links/ simulations
  Image credit-- Resources needed are Refer Link about images of habitat of bacteria in google search  to show that bacteria is present everywhere. [http://www.google.co.in/#q=Images+of+habitat+of+bacteria]  <br>Ppt. on structure of Bacteria [[:File:Bacterial Structures (1).pdf]]
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Image credit-- Resources needed are Refer Link about images of habitat of bacteria in google search   
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#[http://www.google.co.in/#q=Images+of+habitat+of+bacteria Habitat of Bacteria]  <br>
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#Ppt. on structure of Bacteria [[:File:Bacterial Structures (1).pdf]]
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#[http://www.scribd.com/doc/6694153/Lecture-4-Bacteria-Nutrition-Metabolism-and-Growth Nutrition]
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#[http://bugs.bio.usyd.edu.au/learning/resources/CAL/Microconcepts/moviePages/conjugation.html Animation of Sexual Reproduction in Bacteria]
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#[http://bugs.bio.usyd.edu.au/learning/resources/CAL/Microconcepts/moviePages/Ecoli.html Reproduction in E.Coli.]
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#[http://bugs.bio.usyd.edu.au/learning/resources/CAL/Microconcepts/moviePages/bacteriaDivision.html  Bacteria Reproduction]
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#[http://pdfsdb.com/ppt/economic-importance-of-bacteria-ppt Economic importance of Bacteria]
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# Additional Information[http://www.scienceclarified.com/As-Bi/Bacteria.html#ixzz2WGcoDtB2 to know about bacteria]
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#[http://www.scienceclarified.com/As-Bi/Bacteria.html#ixzz2WGcoDtB2 Effects of Bacteria]
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#[http://truth-out.org/opinion/item/25241-all-the-blood-in-your-body A very scary article on the spread of the ebola virus in Africa in July 2014]
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Refer this link to show ppt on various topics in Science [http://www.worldofteaching.com/sciencepowerpoints.html]
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*'''Process/ Developmental Questions'''<br>  
 
*'''Process/ Developmental Questions'''<br>  
 
Procedure:Add lemon juice to a cup of milk . See the changes. Milk changes into curds.<br> How did this change take place?  (Lactococcus lactis is a microbe classified informally as a Lactic Acid Bacterium <br>because it ferments milk sugar (lactose) to lactic acid.)[[File:lactus bacteria.jpg|100px|left]][[File:Curds.jpg|100px|left]]
 
Procedure:Add lemon juice to a cup of milk . See the changes. Milk changes into curds.<br> How did this change take place?  (Lactococcus lactis is a microbe classified informally as a Lactic Acid Bacterium <br>because it ferments milk sugar (lactose) to lactic acid.)[[File:lactus bacteria.jpg|100px|left]][[File:Curds.jpg|100px|left]]
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= Project Ideas =
 
= Project Ideas =
'''Do this activity at home''': About a cup of milk is taken in a vessel & kept for 1-2days.  Similarly  A lemon is cut into halves and kept for 2days.<br> After 2 days students will observe the changes and give the reasons for the change.)
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'''Do this activity at home''': About a cup of milk is taken in a vessel & kept for 1-2days.  Similarly  A lemon is cut into halves and kept for 2days.<br> After 2 days students will observe the changes and give the reasons for the change.)<br>
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'''Evaluation Activity:  CCE'''
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#Visit nearby hospital and Collect information of common harmful diseases caused by bacteria.<br>
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#Collect information and pictures about various uses of fermentation(in preparation of food , gober gas etc)<br>
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Refer this link . Print the worksheets for Evaluation.[http://www.yourfilezone.com/signup?sf=search_books&ref=4947201&q=worksheets+bacteria+pdf Worksheet for Bacteria]<br>
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Refer this picture and prepare notes on harmful bacteria, their effects on human body[http://t2.gstatic.com/images?q=tbn:ANd9GcSdG85L1SRf5DY-ptAg3VrowS8dwS2Cq4iAXG9p9Wy4NltDqUtc2g]
    
= Fun corner =
 
= Fun corner =
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