Easy2Siksha.com
  -2024
  
 
:    :75
:    ,             
           
-
1.              
-        ?
2.           
-
3. '   '          

  ?
4.    , ,   ,    
-
5.  (
   ) , 1974    
Easy2Siksha.com
6.           ,    
 
-
7.       
8.           ?    
       
  -2024
  
 
:    :75
:    ,             
          
-
1.              
-        ?
:             , 
                   
  ?  ,             ,
                ,  
        ,        
        ,      ,
       
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   ,  ,      -
       ,   
 :   
      ;   ,        
      :
1.  - , , , ,     
2. - - , , , , , 
3.    -  ,  ,   ,  ,

     , ,        ,
          ,     
       ,        
            
   
               1960   
   ,              
 ,  ,          
   1950           ,    
          21        ,
,  ,           

       -      
 
        
       ;   ,    
           :
1.  
       
      
              
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2.  
        
        ,       
 
    ,  
    
3.  
        
,            
      (         
   )        
4.  
           
          
       ,      

  (    - )        

5.  
           
              ,   
              
 ,      ,          
   
- 
          :   

              ,  
 ( )   ,             
   :
 :                
 
          
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         
  

          ,      
       :
      ,        
     
   ,     
              
   
-          ,   
     
       -      , 
   
-        ?
                   
     ?      :
1.     ()
     (, ,  )   
           
2. -
          ,   -
      
    
3.  
,              
  ,     
4.    ()
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      ,   ( , ), 
 (,   )          
 
5.  
  ,         
      ,         

6.   
       ,       
     
             
     
              :
Easy2Siksha.com

            ,     
        ,   ,  ,  
                 
      -         

 , -        ,  
                    
,          ,            
       ,        
,                
2.           
:󷊆󷊇    ?
                  
      -     
    ,
    
  , , ,      
󷈴󷈶󷈵1.   -   
      -          
       
     :
  () :         
  :              
               
 
:
     
      
Easy2Siksha.com
 ,        
:
   .
,   
           

              -  ,  

󷉭󷉮󷉯󷉰2.   -    
     -        ,     
         
     :
            
   ,      
:
         
        
:
  
 ,         

         -    ,      
  ,        
󹲡3.  
 -    
                   
  ,         
     :
           
     ,    
:
Easy2Siksha.com
           
      
:
  .
        

             -       
        
󷋇󷋈󷋉󷋊󷋋󷋌4.   -     
     ,          
        
     :
  (,  ,   )       
  
          ,  
        
:
     

      
    
   
:
   .
     
- (   CO₂   )

              
󷇤󷇥󷇠󷇡󷇢󷇣󷇦5.   -   
                  
   
     :
       
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              
:
      
      
:
   (   )
  

            ""   

󷇙󷇚󷇜󷇝󷇞󷇟󷇛6.     -   
    ,        -    
    
     :
 :        -    
 :       
:
    
:
   
      

        ,       
 
󼩺󼩻     


 
 

  
, 
, 

 

,  

 
, 
, 
Easy2Siksha.com

 
 ,

   ,  
 

  
, 
, 
 




 , 
󼩺󼩻 ( )
󷈷󷈸󷈹󷈺󷈻󷈼   
1.        
2.  
   
3.        
4.       
󹶓󹶔󹶕󹶖󹶗󹶘
                 
  -         ,     ,
   ,      ,      
     .
     .
     
      
       
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       
 ,            

    ,         , 
 
,                ,    - 
             
-
3. '   '          

  ?
:                
   ,            ,
  ,  -         ,   
                    
     -      
  ?
         , ,     
           :     
  ,     ?     ,   
?
         ,   , , ,
, ,               
            -   
 ,      
  - 
   ..      -        
 ,        - ""        -
   ,              
1. - 
     ,         , 
              ,
           
Easy2Siksha.com
2. 
    ,           ,  ,
                 ,
 ,       -  
3.  
  ,             ,
               
,  ,    -        
4. -
              ,  
               ,   
,        
5.  
        -        
                 , 
-  ,            
    
6.   
              , ,  
 ()                , 
   ,       
7.   
  ,              
    -           
  
8. 
      "  "      -   
, ,       ,  ,     
             
9. 
Easy2Siksha.com
   7,500              ,
  ,              
   
10. 
 , ,             
, -     -        
      
       
(     ;          
 )
    
   ?
      :          "   
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 ?
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                 
     190       17       
  ,          :
1.   
       ,      
,            -  
 
2.   
     47,000    96,000     
   7.6% , 12.6% , 6.2%   6.0%     
 
3. (       ) 30%    
 ,           , -  
( ),        
4.         
  ,              
   ,       ,  ,      
         
5.   
    -,   -   
              
    -        
        ,         
     ,       ,     
   ,              
  
            , , ,
,                 
        
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
  -            
     ,          
  ,          ,      
     
  
         ,         
               ,
         
            ,        
  ,    -               :

4.    , ,   ,    
:󷊆󷊇    
    (, , )      -  
    (, , )          
                
   (, , )    (, , ,
 )   
       71%     ,  
      
     ,    ,       
   
  :            ,  
    
󷇙󷇚󷇜󷇝󷇞󷇟󷇛    
             :
1.     
, ,       
  .
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:    ,    
:
( : , ).
( : ,  ).
(, ).
2.  
      
  .
     70%    
:  , ,     
:
  (, ,  )
   (   )
󷈷󷈸󷈹󷈺󷈻󷈼     
1.     -   ,  ,     
   
2.  -            ; 
   
3.              
        
4.    ,       
 
5.  -      ,     
   
6. --       ,  ,   
(,    )    
󼩺󼩻   
               
1.  
().
(     )
(    ).
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 (, , ).
(    )
2.  
        :
 ()
o    
o               
o : ,  
 ()
o          
o  : ,  
o  :  , .
o  : , ,  .
 ()
o      
o : , 
o         
󽁌󽁍󽁎   
       -          
1.  
 :         
 
   ,     
 :      
2.  
     
:          
,  ,       
3.  
  CO₂          
 :     
          
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4.   
      
   ,       
󼩺󼩻    
󷗿󷘀󷘁󷘂󷘃   
         :
    (, ,  ) 
       (  )    
,    ,      
        ,         
             ,   
 
󹶓󹶔󹶕󹶖󹶗󹶘
       :
,     
        
        
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       ,       
                
              
,      ,      ,      
    ,    ,      
               
-
5.  (
   ) , 1974    

:    :          
             -     
,         ,      ,    
      ,            
               , 
   ,         -,  "" 
,    ,      ,         
     ; 1960      1970       
            ,  ,  
                
 ,    , ,      
   ,  (   ) , 1974   
       ;          
         ,     
    
  ,             ,   
               , 
    ,   
1970   ,      
  
1972 ,         
   ,  

          ,     
       1974       
          
Easy2Siksha.com
  
 , 1974           :
1.  
           , 
      
2.          -       
 
3. 
    -   ,     
     
4.     -       ,  
          
5.        -        
    ,        
    :              
   
            :
1. 
o           ,     
        
o              
2.    
o         :
 
   ()- 
  
 
   ()-   
o        
3.   
o  
   ,        
   
o       ,       ,
            
4.   
o          ()     
     
o         ,      
  (      )
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5.   
o          
o         
o        
o            
6.
o           (3   6  )
      
o        
7.   
o               
           
  
     ?        :
   ,       
           
           
     
 ,           
         
          (1986)   
     
:   

             1980   , 
                  
            
:  , 1974   
            :
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  
      
  (  )  
        
           
  
    ,     :
1.  -    - ,       
2.        
3.   -         -  

4.      -          (  
  )
  
1988 ,             
 
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 ,          , 1986  
 
,              
 
:       
   ,   : "  ,     "  ( 
  ) , 1974     ,    
                    
,       
         ,      , 
                
,     ,           
               
,            ,    - 1974   
                    
    
6.           ,    
 
:    
 ""             
,  ,  , , ,       , 
           
   ()    ,  , 
,              
  :     ()       
         ,          
       
󷆧󷆗󷆨󷆩󷆚󷆿󷆛󷇀󷇁󷇂󷆜󷇃󷆝󷆾   
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             
   :
1.  
  =   =  
              
2. 
        ,   ,  
   
3.     
 ,        - 
 
         
4.   
    , ,
   
5.   
    -     ,  
   
6.   
  ,           


                 ,
                 

󽁔󽁕󽁖   
                 ,
      
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1.   
  ,       ,  ,  
    
      ,       
2.  

      ,      
 (     )    
          
3.    
      
        
          
4.  
             
        
5.      
     
      ,      

             
 , -   ,              
    
󺬣󺬡󺬢󺬤   
                 
             :  ,  
,  ,         
1.   
      (, )  - (,
)     
-  (    ,     )    
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2.   
- -   -   
      ,          
3.   
:         
,            
  : -        
4.  
    ,         
      
             
5.    
            
"  "        
6.     
-        
        
         
7.  
   ()       
            
 :   -    
󼩺󼩻     
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󷗿󷘀󷘁󷘂󷘃   
             -  ,  
,            -  , 
        ,       ,   
          
󹶓󹶔󹶕󹶖󹶗󹶘
            -     
,          
:  , , ,   
:   , ,  ,   
  , ,  ,  ,  
 
 ,        ,        
   ,          ,  
     
,      ,    -      , 
                   
 
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-
7.       
:            ,    
,               
       ,     ,     
        ,        
  ,  ,           
     ,         
            ,    
         ,       
    ?
            , 
               
  :
1.     
2.     
3.      
4.       
  ,               
   ,             
   
     ?
,        :
           
     
        
       ,       
 
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    ,       - ,  
 ,               -
,               

     
               
 ,         ,    
1. 
    (1952  )
                  
                
    ,       ,    
               
 :
,            
      .
           
           
2.      ( )
 ,                
         
 :
  (   )  
          
,             
        
          ,     
  ,      
      

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3. 
    ()
           ,   
           
 :
  ()  -   
          
        
                  
  
4.   
              
            
 :
     : ,  ,  
()
     :    
                 
 
             ,  
           
5.     ()
  -             
          
 :
Easy2Siksha.com
        
       
3-6        -     
                
         
6.    ()
         ,        
         
 :
     
        
            
            ,      
    
7. 
    (  )
              
        
 :
    
        
         
                  
 
    
                :
Easy2Siksha.com
1.      ()-         
2.     ()-       
3.   -   ,      
 
4.   -        
5.   -         -   
:     
            :
                 
  

             
    ,            
   ,              , 
           ,       
  -      
    ,           ,
          ,    
Easy2Siksha.com
,  -             

8.           ?    
       
:󷊆󷊇      
           ,     ,   
   ,             
 
1.   
         
   , ,         
:               
    
2.   
    
   , ,    
:         -  
3.   
     
            ,  
     
4.   
             
    ,         

5.    
       
   ,        
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
          ,   -   
  ,     
󷈷󷈸󷈹󷈺󷈻󷈼       
: , ,      
    ,       

              
   
 ,              -    
󹳾󹳿󹴀󹴁󹴂󹴃        
    :       ,     
              ,  
      
1.  
    ,  ,        
  
:    (AQI)         
:      (       )
2.    ()
  ,          
:        -    
:            
3.  
   ,          
:            
:          
4.   
     ,        
     
: COVID-19  ,   ,      
:  ,  ,   
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5.   -
      ,       
:               
:       ,        
6.      ()
 ,            

:             
:    
7.   
 ,            
  
:               

:       
8.    IoT (  )
 ,             
 
:   IoT          
:  ,  
󼩺󼩻:     
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󷗿󷘀󷘁󷘂󷘃   
          ,   ( )  
    ,    
      , ,      
        -      
   ,       
󹶓󹶔󹶕󹶖󹶗󹶘
         ,     
        ,        
 ,           ,  
 ,        
  ,     ,         
     
   ,  , ,    
   
 ,             ,   
     ,     
"              
     ,     "