Answer:
Chloroplast
1. Help in photosynthesis
2.Plant cell
3.It is where chlorophyll is formed and this chlorophyll traps sunlight for photosynthesis.
4. C6H12O6 + 6O2--------> 6CO2 + 6O2 + Energy
Mitochondria 
1.It posses it own DNA and also has a big surface area which makes it possible to generate more energy then supply them in the cells.
 
        
             
        
        
        
Answer:
Anything that has mass and occupies space.
Explanation:
 
        
             
        
        
        
Choice answer D because it is fully correct