Biodegradable and Non Biodegradable Wastes

Q.

What is the impact of waste accumulation on the environment and your health?

Q.

Give an example of a non-biodegradable substance.

Q.

What are industrial waste types and how to control them?

Q.

What are the advantages of cloth bags over plastic bags during shopping?

Q.

Categorize the materials of the following products into ‘can be recycled and ‘cannot be recycled’. Telephone instruments, plastic toys, cooker handles, carry bags, ballpoint pens, plastic bowls, plastic covering on electrical wires, plastic chairs, and electrical switches.

Q.

Paragraph on the clean and green earth.

Q. Students in a school listened to news read in the morning assembly that the mountains of garbage in Delhi, suddenly exploded and various vehicles got buried under it. Several people were also injured and there was traffic jam all around. In the brain storming session the teacher also discussed this issue and asked the students to find out a solution to the problem of garbage. Finally they arrived at two main points, one is self management of the garbage we produce and second is to generate less garbage at individual level.

(a) Suggest two measures to manage the garbage we produce.

(b) As an individual what can we do to generate the least garbage ? Give two points.

(c) List two values the teacher instilled in his students in this episode.

Q. Sanitary landfill is where

1. Waste is burnt
2. Waste is stored in open sites
3. Waste is buried and allowed to decompose.
4. Waste is recycled

Q.

Which of these are biodegradable?

1. Plastics

2. Papers

3. Metals

4. Rubber

Q.

Name a non-biodegradable waste.

1. Paper

2. DDT

3. Cow dung

4. Vegetable peels

Q.

What are the $4$ Biosafety Levels?

Q.

What are bio-degradable and non bio-degradable wastes? Give example.

Q.

What is biological magnification..

And what is biodegradable and non biodegradable...

Q.

What is the term used for the waste that originates mainly from hospitals and clinics?

1. Liquid wastes

2. Solid bio wastes

3. Biological wastes

4. Biomedical wastes

Q. Identify the non-biodegradable waste from the following.

1. Glass
2. Kitchen waste
3. Dried leaves
4. Styrofoam

Q.

Substances that are broken down by biological processes are said to be _____________.

Q.

Identify the neuter gender noun from the given sentence - The child was so engrossed in stitching the shoe that the strong winds had little effect on him

1. stitch

2. shoe

3. child

4. the

Q. Why we should try to preserve the biodiversity we have inherited?

Q.

Explain any three dangers associated with use of synthetic or chemical pesticides

Q. Substances that are broken-down by biological processes are said to be _________.

Q. DDT (dichloro diphenyl trichloroethane) is an example of

1. Biodegradable waste
2. Non-biodegradable waste
3. None of these
4. Vermicompost

Q.

Sanitary landfill is where

1. Waste is burnt
2. Waste is stored in open sites
3. Waste is recycled
4. Waste is buried and allowed to decompose.

Q. List the problems caused by the non-biodegradable wastes that we generate.

Q. The methods of disposal of kitchen waste is

1. Landfilling
2. Composting
3. Weeding
4. Both A and B
   

Q. What are biodegradable materials? Give four examples of biodegradable materials.

Q. What are the components of biomedical waste?

Q. Assertion :Growth cannot be taken as a defining property of living organisms Reason: Non living organisms also grow due to accumulation of material on their surface

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is true but Reason is False
4. Reason is true but Assertion is false

Q.

If a city wants to avoid pollution by burning solid waste, but also has less space to dump all the waste, which of the following remedies should be adopted?

1. Illegal dumping
2. Sorting Garbage
3. Sanitary landfill
4. None of the above

Q. Which of the following is NOT an example of solid waste?

1. Paper and plastics
2. Food and organic wastes
3. Oil and grease
4. E-waste and Hospital waste

Q.

Identify the odd term in each set and name category to which the remaining three belong.

1. Sewage

2. Newspaper

3. Styrofoam

4. Hay