CLASS X SEM 1 SYLLABUS

QUADDo Science welcomes you all in New session.
so here is the syllabus of Class X of Science :
Chemistry :
1. Chemical reactions and equations
2. Acids, Bases and Salts.
3. Metals and Non metals
Physics :
12. Electricity
13. Magnetic effects of Electric current.
Biology :
6. Life processes
7. Control and Coordination

IMPORTANT BOARD QUESTIONS OF CHAPTER :NATURAL RESOURCES IX

IMPORTANT POINTS FROM CHAPTER : NATURAL RESOURCES...

NATURAL RESOURCES :

POINTS TO REMEMBER..

NITROGEN FIXING BACTERIA :

• AZOTOBACTER : bind Atmospheric Nitrogen and helps in Ammonification.
• DIAZOTROPHES : helps in changing nitrogen to ammonia.

         Types of Diazotrophes -

          (A) Free Living -

                Anaerobes, Aerobes, Bacillus Polymyxa, Anabaena Cylindrica

          (B) Symbiotic -

                Cyanobacteria, Rhizobia, Frankias

source : http://en.wikipedia.org/wiki/Nitrogen_fixing_bacteria

http://en.wikipedia.org/wiki/File:Soybean-root-nodules.jpg