Waste Generation

Q.

Question 5 (b)

Give an example in which packaging could have been reduced?

Q.

Industrial wastes, oils and fats should not be thrown into the drains because they can:

1. Make foul smell

2. Kill the useful microbes

3. Harden and block the pipes

4. Make unhygienic condition

Q.

Question 21

What happens when

(a) cooking medium is made to flow down a drain?

(b) insecticides, motor oil, and paints are poured down the drain?

(c) tea leaves, cotton swabs, and soft old toys are thrown into the drain?

Q.

Which of the following are the non-useful components of garbage for composting?

1. Plastic
2. Glass
3. Paper
4. Aluminium Foil

Q.

What will happen to the garbage if it is not disposed off?

1. Both A & C

2. It will start smelling bad and become home to micro-organisms.

3. It will start causing diseases.

4. It will stay in the same condition.

Q.

Question 5 (c)

Write a story on how packaging increases the amount of garbage.

Q.

Unhygienic and unsanitary conditions provide ideal ground for breeding of :

1. sheep and hen
2. cattle and goat
3. mosquito and flies
4. useful microbes

Q. does not degrade easily.

1. Plastic bag
2. Banana peel
3. Food waste

Q.

Scrubbers are devices used to remove ___ pollutants.

Q. What do you mean by incineration of waste?

Q. When I was roaming in Chandni Chowk in old Delhi, I noticed poor sanitation and contaminated drinking water. This could be the main source of _______ in the nearby areas.

1. 2 & 3

2. 2

3. 3 &4

4. 1

Q. Unhygienic and unsanitary conditions provide ideal ground for breeding of:

1. sheep and hen
2. cattle and goats
3. mosquitoes and flies
4. useful microbes

Q.

Which of the following methods is not appropriate for the disposal of vegetable peels?

1. Disposal in garbage bins

2. Dumping in landfills

3. Incineration

4. Composting

Q. Industrial wastes, oils and fats should not be thrown into the drains because they can:

1. harden and block the pipes
2. breed fishes
3. kill mosquitoes
4. kill the useful microbes

Q. (a) What may be the reason for the disease in city A?

Q. Which of the following is a function of packaging?

1. Product identification
2. All of these
3. Product promotion
4. Product protection

Q.

1. 1

2. 2 & 3

3. 2

4. 3 &4

Q. The 4 R's in 4 R principle are reduce, recover, recycle and .

1. reuse
2. replace
3. rethink

Q. Unhygienic and unsanitary conditions provide ideal ground for breeding of:

1. mosquitoes and flies
2. useful microbes
3. cattle and goats
4. sheep and hen

Q. Industrial wastes, oils and fats should not be thrown into the drains because they can:

1. harden and block the pipes
2. kill mosquitoes
3. kill the useful microbes
4. breed fishes

Q.

What will happen if garbage is not disposed off properly?

1. It attracts flies, insects and rats.

2. It will breed harmful microorganisms.

3. It will start causing diseases.

4. It will stay in the same condition.

Q. Give an example in which packaging could have been reduced?
[2 marks]

Q. Unhygienic and unsanitary conditions provide ideal ground for breeding of:

1. useful microbes
2. mosquitoes and flies
3. sheep and hen
4. cattle and goats

Q.

Unhygienic and unsanitary conditions provide ideal ground for breeding of :

1. sheep and hen
2. cattle and goat
3. mosquito and flies
4. useful microbes

Q. Garbage pollutes water bodies and is harmful for the aquatic life.

1. False
2. True

Q.

Unhygienic and unsanitary conditions provide ideal ground for breeding of :

1. cattle and goat
2. sheep and hen
3. useful microbes
4. mosquito and flies