A.Boron
B.Zinc
C.Iron
D.Oxygen
Related Mcqs:
- Black tip of mango is caused by:
- Deficiency of ___________ causes yellowing in plants??
- Late blight of potato is caused by:
- Leaf roll of potato is caused by:
- Invar is an alloy of
- White irregular spots between veins of upper leaves of maize plant shows deficiency of:
- The action of ethylene is effectively inhibited by ______ ion.
- Marasmus is caused by the deficiency of:
- Haemophilia is caused by the deficiency of:
- Black stem rust of wheat caused by: