Answer:
No i don't think soo
Explanation:
When the plant is in a dark room, it cannot photosynthesize and has not enough food left for the leaves to be healthy because they need light to stay alive or otherwise they will die. 
 
        
                    
             
        
        
        
I'll give you the first one: it's a reactant of respiration. if you want the other answers just dm me so its easier to communicate