NCERT Class VI Science Solutions: Chapter 16 – Garbage in Garbage out Part 1

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MULTIPLE CHOICE QUESTIONS

Question 1:

The method of preparing compost with the help of earthworms is called.

  1. Composting

  2. Vermicomposting

  3. Manuring

  4. Decomposing

Answer: B

Image result for B. Vermicomposting

Vermicompost

Image result for B. Vermicomposting

Question 2:

If you dump kitchen waste in a pit. It may after sometime

  1. Convert into compost.

  2. Convert into vermicomposting.

  3. Remain as such.

  4. Remain forever in its dried form.

Answer: A

Question 3:

Which of the following activities does not reflect responsible behaviour with regard to waste disposal?

  1. Goods carried in paper bags or cloth bags.

  2. Waste collected in polythene bags for disposal.

  3. Waste separated into those that degrade and those that do not.

  4. Making handicrafts with used up notebooks.

Answer: B

Question 4:

Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts

  1. Burning degrades the soil.

  2. Burning produces harmful gases/fumes.

  3. Precious raw materials to obtain manure at low cost is lost.

  4. Lot of heat is generated unnecessarily.

The correct reasons of why we should not burn leaves are

  1. i, ii, and iv only

  2. i, ii, iii, and iv

  3. ii and iii only

  4. ii, iii, and iv only

Answer: B

Question 5:

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:

  1. Plastic bags.

  2. Newspaper and journals.

  3. Screw and nuts.

  4. Vegetable peels.

  5. Metal chips.

  6. Egg shells.

Which item were transferred to which bin?

RED and GREEN and BLUE
RED and GREEN and BLUE

RED

GREEN

BLUE

(i) and (iv)

(ii) and (iii)

(v) and (vi)

(i) and (iii)

(ii) and (v)

(iv) and (vi)

(i), (iii) and (v)

(iv) and (vi)

(ii) only

(i) and (v)

(ii) and (iv)

(iii) only

Answer: C

Image of diffrent colur dustbin with thier meaning.

Image of Diffrent Colur Dustbin with Thier Meaning.

Image of diffrent colur dustbin with thier meaning.