Question

1. A method of disposing solid waste on land is
(a) landfill
o anir chamber
(b) septle tank
(d) reservoir
2. In anaerobic composting, organic waste la decomposed
(a) in the presence of air
(b) in the presence of water
(e) in the absence of sunlight (d) in the absence of alr
3. Earthworms are used in
(a) aerobic composting
(e) vermicomposting
(b) anaeroble composting
(d) chemical composting,
4. Incineration causes
(a) air pollution
(c) land pollution
(b) water pollution
(d) sound pollution
5. Sanitary landfills are made by
(a) two
(c) four
methods
(b) three
(d) five​

Answer 1

Answer:

1. (a)

2. (d)

3. (e)

4. (c)

5. (a)

Answer 2

1. (a) landfill

2.(d)in absence of air

3.(c)vermicomposting

4.(b) air

pollution

5.(c) four