Which one of the statement given below is not correct
| A. |
Insectivorous plants are autotrophic and heterotrophic as they capture insects to overcome their `N_2` deficiency |
| B. |
Sulphur is main constituent of chlorophyll |
 |
| C. |
The most important diseases due to copper deficiency are exanthema and reclamation |
| D. |
Nif gene is present in Rhizobium |