Solid Waste Management

Q.

Explain the terms reduce, recycle and reuse.

Q.

What is the only solution for the treatment of e-wastes.

1. Burning

2. Landfilling

3. Recycling

4. Dumping in Sea

Q.

In your city, separate dustbin for biodegradable and non-biodegradable waste has been placed. Can you tell the colour of these dustbins?

1. Yellow; Red

2. Green; Blue

3. Red; Yellow

4. Blue; Green

Q. Which of the following is/are responsible for soil pollution?

1. Fertilisers and Pesticides
2. Radioactive wastes dumped underground
3. Deforestation
4. Greenhouse gases

Q.

How pollutants are classified?

Q. Which of the following is known as farmer's friend?

1. Cockroach
2. Earthworm
3. Snake
4. Honey bee

Q.

Name the non biodegradable waste produced by the thermal plants?

Q. Acid rain, chemicals and fertilizers, insecticides, pesticides, city garbage, etc., cause __________ pollution.

1. soil
2. noise
3. water
4. air

Q.

Explain Eco-friendly products.

Q.

Write a note on biodegradable and non-biodegradable wastes?

Q.

The process of preparing manure with the help of earthworms and kitchen wastes is called:

1. Green manuring

2. Manuring

3. Vermicoposting

4. Farming

Q.

What are the colours of the two different dustbins provided by municipalities for garbage based on the type of garbage? [1 MARK]

Q. What are the Radioactive waste

Q.

Why should we plant eucalyptus trees all along sewage ponds?

Q.

Which of the following non- biodegradable waste can be recycled?

a) Plastics

b) Nuclear Waste

c) Satellite Waste

d) Rubber

1. a) and d)

2. b) and c)

3. a) and c)

4. a), b), c)

Q.

For serving food at a party, would you prefer a plastic plate or a banana leaf? Explain giving reasons.

Q. What are the major causes of environmental pollution?

1. Rapid industrialization
2. All of these
3. Deforestation
4. Human population explosion

Q.

Vermicompost is compost manure with harmful worms.

1. True
2. False

Q.

What happens when we add waste to our environment? [3 MARKS]

Q.

Why is biogas considered excellent fuel?

Q. Describe three types of 'R' to save the environment.

Q.

An environmental problem caused by landfills are

1. Methane production

2. Groundwater pollution

3. Incomplete decomposition

4. All of the above

Q.

Standing crops face threat from pests and insects. This is dealt with pesticides and insecticides, which are different types of chemicals. What is the major drawback of this method?

1. These chemicals reduce the crop yield.

2. It can cause pollution.

3. The chemical is poisonous and can harm the health of the crop and the consumers.

4. All of these.

Q. What is the '3R' mantra? Write its significance.

Q.

How do we recycle paper at home? [5 MARKS]

Q. Which of the following is the site for extensive garbage dumping?

1. Playgrounds

2. Waterbodies

3. Landfill

4. Streets

Q.

The process of composting in which red worms are used for composting is ___ .

1. vermicomposting

2. vermification

3. vermiculture

4. cultivation

Q. What is Vermi Compsting?

Q.

What do you do with the leftover food at home?

Q. What does it mean by decompose before melting ?