Biodegradable Waste

Q.

Give examples of non-biodegradable waste which can be recycled.

Q.

Question 3 (b)

If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer and why?

Q. Materials that decompose naturally are called materials.

1. biodegradable
2. nondegradable
3. imperishable

Q. Human and animal wastes are examples of non-biodegradable waste.

1. True
2. False

Q.

The Rotting Of Garbage Is Said To Be Completed When The Garbage ________ But Still, Smell Bad.

1. rot only partially

2. do not change at all

3. rot completely and not smell

4. rot almost completely, but smell bad

Q.

What type of waste can be broken down by living organisms?

1. Toxic matter
2. Recyclable
3. Biodegradable
4. Non-biodegradable

Q.

What is compositing?

Q.

List some measures we can take to overcome the problem of garbage.

Q.

Which of the following is used to obtain Vermicompost?

1. Crashed plastic bottles

2. Electric cables

3. Vegetable peels

4. Milk cartons

Q.

Which of the following should not be put into a compost heap?

1. Dry leaves

2. Meat and dairy products

3. Rotten vegetables

4. Newspapers

Q. Gizzard found in _____ helps in grinding the food.

1. PVC
2. PS
3. HDPE
4. PET

Q. We must use jute bags for shopping. Which of the following does NOT justify this statement?

1. Jute is biodegradable
2. Jute is natural
3. All of these
4. Jute bags are stronger

Q. A material 'X' is biodegradable, can be recycled, reused and is non-toxic. It is very useful. Which of the following could be 'X'?

1. Plastic bottle
2. Glass bottle
3. Metal can
4. Paper

Q.

What is biodegradable waste?

Q. Biodegradable waste is converted to organic manure in ____

1. Lakes
2. Pits
3. Ponds
4. Rivers

Q.

Non-biodegradable waste is-

1. Garbage

2. Metallic article

3. Sewage

4. Waste paper

Q. Cow dung is ___ waste.

1. Non-biodegradable
2. Biodegradable
3. Hazardous
4. Toxic

Q.

In the following groups of materials, which group contains only biodegradable items?

1. Wool, grass, paper

2. Polythene, detergent, PVC

3. Plastic, detergent, grass

4. Plastic, bakelite, DDT

Q.

What is the difference between composting and dcomposting give an example.

Q.

Tick the correct option.

Which of the following helps in replenishment of nutrients in soil?

1. Bacteria

2. Fungi

3. Earthworm

4. All of these

Q.

Which of these can be used for vermicomposting?

1. Organic waste

2. Glass

3. Batteries

4. Plastic

Q. We must use jute bags for shopping. Which of the following does NOT justify this statement?

1. Jute is biodegradable
2. Jute bags are stronger
3. Jute is a plant product and is natural
4. Jute bags are more stylish and expensive

Q.

which common pesticide has accumulated in human body in considerable amount?

Q. Which type of waste has to be added to tar to create water repellant roads?

1. Vegetable waste
2. Plastics
3. Metals
4. Paper

Q.

How much of moisture content in waste pile is ideal for composting?

1. 25%

2. 50%

3. 75%

4. 35%

Q. Gizzard found in _____ helps in grinding the food.

1. snake
2. redworm
3. cats
4. dogs

Q. Which of these is biodegradable?

1. Plastic
2. Leaves
3. Glass
4. Metals

Q.

Classify the following as true or false:

$(a,b)=\{a,b\}$

1. True
2. False

Q.

Which animal products can be reused and how?

Q.

In the picture below, what should be the nature of the product to enhance the efficiency of the process in step 5?

1. Petroleum

2. Completely synthetic

3. Organic matter

4. Synthetic polymer