alleryIn hydroponics, crops are grown without soil with the help of:
AArtificial wooden bee boxes
BBright burning torches
CLiquid chemical fertilizers
DCold liquid nitrogen vials
Answer & Solution
Correct answer: C. Liquid chemical fertilizers
1. Hydroponics is described as soil-less farming.
2. In it, liquid chemical fertilizers supply the nutrients normally taken from soil.
3. Burning torches relate to honey collection, bee boxes to apiculture and nitrogen vials to stem cell storage, none to soil-less farming.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 8 "Cell Biology and Biotechnology", p.107_
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