Question 50 of 56
Q.Which one of the following is not related to Vermiculture?
(i) Maintains soil fertility
(ii) Breakdown of inorganic matter
(iii) Gives porosity, aeration and moisture holding capacity
(iv) Degradation of non bio-degradable solid waste
(a)
(ii) and
(iv) are not correct
(b)
(i) and
(ii) are correct
(c)
(i) and
(iii) are not correct
(d)
(iii) and
(iv) are correct
Puducherry TnboardTamil Nadu HSC First Year (DGE) Board 2025MCQ· 1mImportance★★★★★
89% · 50/56 Questions
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Start your 14-day free trial to unlock the full solution →Vermiculture (earthworm farming) helps maintain soil fertility and improves soil porosity/aeration/moisture-holding, but it works on ORGANIC, biodegradable waste — so 'breakdown of inorganic matter' and 'degradation of non-biodegradable solid waste' are both wrong statements.
Vermiculture is the practice of rearing earthworms, and vermicomposting uses earthworms to convert organic waste (kitchen waste, farm residue, dung, dead plant matter) into nutrient-rich vermicompost/manure. As the earthworms feed and burrow:
- They maintain and improve soil fertility by enriching it with castings rich in nitrogen, phosphorus and potassium — statement (i) is correct.
- Their feeding and digestion break down ORGANIC matter, not inorganic matter — so statement (ii), which claims breakdown of inorganic matter, is incorrect. …
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