NCERT Solutions for Class 6 Science Chapter 16
NCERT Solutions for Class 6 Science Chapter 16 Garbage In, Garbage Out in English Medium or अध्याय 16 कचरा – संग्रहण एवं निपटान in हिंदी मीडियम for academic session 2020-21 free to download in PDF based on new NCERT Books.
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NCERT Solutions for Class 6 Science Chapter 16
Class: | 6 |
Subject: | Science – विज्ञान |
Chapter 16: | Garbage In, Garbage Out |
Class 6 Science Chapter 16 Answers
Class 6 Science Chapter 16 in English Medium
Class 6 Science Chapter 16 in Hindi Medium
Important Questions on 6th Science Chapter 16 for Practice
1. The method of preparing compost with the help of earthworms is called
(a) composting (b) vermicomposting (c) manuring (d) decomposing
2. 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.
Items:
(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
3. 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.
4. 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)
5. 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
Answers of MCQ Questions
1 (b),
2 (c),
3 (b),
4 (a),
5 (b).
All answers are done properly based on new CBSE Syllabus and following the latest NCERT Books. Visit to discussion forum to ask your doubts and share your knowledge with others.
Important Questions on Class 6 Science Chapter 16
Compost is much easier to prepare.
Compost is environment friendly whereas fertilizers can harm our health and the environment.
Compost does not pollute our environment.
Compost decomposes bio-degradable waste into natural soil. It conserves our environment.