Question
Question: Choose the correct statement (s) – I. Solution culture / Hydrophonics contains all essential minera...
Choose the correct statement (s) –
I. Solution culture / Hydrophonics contains all essential minerals except one, the usefulness of which is to be determined
II. Na, Si, Co and Selenium are beneficial element required by higher plants
III. Zn is the activator of nitrogenases while Mo is the activator of alcohol dehydrogenase
IV. Zn is needed for auxin synthesis
A
All
B
I, II, III
C
None
D
I, II, IV
Answer
All