NCERT Solutions for Class 6 Science Chapter 16
6 Science Chapter 16: Garbage In, Garbage Out
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6 Science Chapter 16 Exercises Question Answers
NCERT Solutions for Class 6 Science Chapter 16 Garbage In, Garbage Out in English Medium is given below. Visit to Class 6 Science main page.
Important Questions with answers
- The method of preparing compost with the help of earthworms is called
(a) composting (b) vermicomposting (c) manuring (d) decomposing
- A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit, and recycling unit respectively.
(i) Plastic bags
(ii) Newspaper and journals
(iii) Screw and nuts
(iv) Vegetable peels
(v) Metal chips
(vi) Egg shells
Which item were transferred to which bin?
RED GREEN BLUE
(a) (i) and (iv) (ii) and (iii) (v) and (vi)
(b) (i) and (iii) (ii) and (v) (iv) and (vi)
(c) (i), (iii) and (v) (iv) and (vi) (ii) only
(d) (i) and (v) (ii) and (iv) (iii) only
- Which of the following activities does not reflect responsible behaviour with regard to waste disposal?
(a) Goods carried in paper bags or cloth bags.
(b) Waste collected in polythene bags for disposal.
(c) Waste separated into those that degrade and those that do not.
(d) Making handicrafts with used up notebooks.
- The steps required for conversion of kitchen garbage into manure are given below in a jumbled form.
(i) Put garbage in a pit
(ii) Cover the bottom of the pit with sand
(iii) Cover the pit loosely with a gunny bag or grass
(iv) Add worms
Which of the following shows the correct sequence of the above steps?
(a) (ii); (i); (iii); (iv)
(b) (i); (ii); (iii); (iv)
(c) (ii); (iv); (i); (iii)
(d) (iv); (i); (ii); (iii)
- Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts
(i) Burning degrades the soil.
(ii) Burning produces harmful gases/fumes.
(iii) Precious raw materials to obtain manure at low cost is lost.
(iv) Lot of heat is generated unnecessarily.
The correct reasons of why we should not burn leaves are
(a) i, ii and iv only (b) i, ii, iii, and iv (c) ii and iii only (d) ii, iii, and iv only
1 (b), 2 (c), 3 (b), 4 (a), 5 (b).