Plants can be grown in (Select the incorrect option)
1. Soil with essential nutrients
2. Water with essential nutrients
3. Either water or soil with essential nutrients
4. Water or soil without essential nutrients
In the given diagram of a typical set up for nutrient solution culture, the purpose of X is:
1. Addition of water 2. Addition of nutrients 3. Removal of wastes 4. Aeration |
1. Only I | 2. Only II |
3. Both I and II | 4. Neither I nor II |