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Garbage In, Garbage Out — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceGarbage In, Garbage Out1 Mark
MCQ
The steps required for the conversion of kitchen garbage into manure are given below in a jumbled form.
  1. Put garbage in a pit.
  2. Cover the bottom of the pit with sand.
  3. Cover the pit loosely with a gunny bag or grass.
  4. Add worms.
Which of the following shows the correct sequence of the above steps?
  • ✓
    $(ii); (i); (iii); (iv)$
  • B
    $(i); (ii); (iii); (iv)$
  • C
    $(ii); (iv); (i); (iii)$
  • D
    $(iv); (i); (ii); (iii)$
✓

Answer

Correct option: A.
$(ii); (i); (iii); (iv)$

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DIRECTIONS: Match Column$-I$ with Column$-II$ and select the correct answer using the codes given below the columns.
S.No. Column$-I$ S.No. Column$-II$
$A.$ Landfill $(p)$ Completely rotten garbage used for plant nutrients.
$B.$ Manure $(q)$ Low lying areas where garbage of a city is dumped.
$C.$ Composting $(r)$ The process in which use of organisms is essential.
$D.$ Vermi composting $(s)$ Converting plants and animal wastes into manure.
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