ANSWERS

1. Bird Of Paradise

2. R - Charles Rolls and Henry Royce

3. Machete

4. Trident

5. Cactus

6. Dragon

7. Crown

8. Lion

9. George Cross

10. Cyprus

Connection - They all feature on national flags  
    Bird of Paradise - Papua New Guinea, 
    'R' - Rwanda, 
    Machete - Angola, 
    Trident - Barbados, 
    Cactus - Mexico, 
    Dragon - Bhutan, 
    Crown - Liechtenstein, 
    Lion - Sri Lanka, 
    George Cross - Malta, 
    Cyprus - Cyprus (obviously!)