Class 4 SST Chapter 6 Waste Management Solutions

CHAPTER - 6

Waste Management

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Match the following

(iii) Tick the correct option

(iv) Answer the following questions.

Fill in the blanks

( Exercise )

1. Human waste in open fields must be covered with ___________ in rural areas.

2. Recycling is beneficial for the ___________.

3. Biodegradable waste can be used to make ___________.

4. Waste disposal is important to keep our surroundings ___________.

5. The four Rs to reduce waste are reduce, reuse, recycle and ___________.

Answer

(1) soil

(2) environment

(3) compost

(4) clean

(5) rethink

Match the following:

Exercise

Answer: (1) b (2) a (3) d (4) c

Tick the correct option.

( Exercise )

1. Animal and plant waste can be converted into-

2. It is the duty of ___________ to keep our surroundings clean and green.

3. It is easy to recycle-.......................... 4. Construction waste can be used for-

Answer

(i) Biogas

(ii) both

(iii) Plastic

(iv) Filing ditches

Answer the following questions.

( Exercise )

1. What is waste? Name three diseases caused by waste materials thrown in open areas.

Answer: Unwanted and unusable substances are called waste.

The three diseases are dysentery, typhoid and cholera.

2. Highlight two differences between biodegradable and non-biodegradable waste.

Answer:

3. What are the benefits of recycling?

Answer: Benefits of recycling:

It saves energy.
It reduces pollution.
It reduces the amount of waste.
It conserves our natural resources.

4. Mention any two methods of waste disposal. Which one is the best in your opinion? Give one reason.

Answer: Two methods of waste disposal are:

Recycling
Composting

In my opinion recycling is best as it converts waste materials into new products.

5. Suggest two ways of reusing waste materials from our homes, school and offices.

Answer: Two-ways of reusing waste materials are-

Donate old books in library.
We can use old buckets for planting saplings

CHAPTER - 6

Waste Management

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Match the following

(iii) Tick the correct option

(iv) Answer the following questions.

Fill in the blanks

( Exercise )

1. Human waste in open fields must be covered with ___________ in rural areas.

2. Recycling is beneficial for the ___________.

3. Biodegradable waste can be used to make ___________.

4. Waste disposal is important to keep our surroundings ___________.

5. The four Rs to reduce waste are reduce, reuse, recycle and ___________.

Answer

Match the following:

Exercise

Tick the correct option.

( Exercise )

1. Animal and plant waste can be converted into-

2. It is the duty of ___________ to keep our surroundings clean and green.

3. It is easy to recycle-.......................... 4. Construction waste can be used for-

Answer

Answer the following questions.

( Exercise )

1. What is waste? Name three diseases caused by waste materials thrown in open areas.

2. Highlight two differences between biodegradable and non-biodegradable waste.

3. What are the benefits of recycling?

4. Mention any two methods of waste disposal. Which one is the best in your opinion? Give one reason.

5. Suggest two ways of reusing waste materials from our homes, school and offices.

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