Tag: plastic waste

Questions Related to plastic waste

A material which is not easily decomposed by natural processes is termed as :

  1. biodegradable material

  2. non-biodegradable material

  3. recycled material

  4. natural material


Correct Option: B
Explanation:

A material which is not easily decomposed by natural processes is termed as $\text {non-biodegradable material}$. Examples are polyethene, PVC, PS. It takes many years for decomposition. Hence, option B is correct.

Which of the following are uses of plastics in health care industry?

  1. Packaging of tablets

  2. Stitching wounds

  3. Syringes

  4. All of the above


Correct Option: D
Explanation:

Plastics in health care industry are used in packaging of medicines;plastic threads are used for stitching wounds. Also syringes, gloves and many kind of medical instruments are made up of plastic.

Why plastic containers are favoured for storing food?

  1. Plastics are light in weight

  2. Plastic is a strong and durable material 

  3. Plastics are easy to handle

  4. All of the above


Correct Option: D
Explanation:

Plastics are used to store food because:
(i) Plastics are light in weight.
(ii) Plastic is a strong and durable material and
(iii) plastics are easy to handle.

Telephone instruments, plastic toys, ball point pens, plastic bowls are examples of:
  1. Thermoplastics

  2. Thermosetting plastic

  3. Polyester

  4. None of the above


Correct Option: A
Explanation:

 Telephone instruments, plastic toys, ball point pens, plastic bowls  are thermoplastics and so can be recycled.
Cooker handles, carry bags, plastic covering on electric wire, plastic chains etc are thermosetting plastics and so cannot be recycled.

Plastics are ________ water and therefore are used in making buckets.
  1. lighter than

  2. soluble in

  3. insoluble in

  4. none of these


Correct Option: C

Like synthetic fibres, plastic is also a :

  1. polymer

  2. polyester

  3. natural

  4. None of the above


Correct Option: A
Explanation:

Plastic is also a polymer like the synthetic fibre. It is the chain of small units joined together.

Most of the thermoplastic :

  1. can be recycled

  2. cannot be recycled

  3. cannot be heated

  4. none of the above


Correct Option: A
Explanation:

A thermoplastic is the material which become soft on heating and hard on cooling several times.
Therefore, they can be recycled.

Containers which are light weight, lower price, good strength and easy to handle is made up of :

  1. Plastic

  2. Metal

  3. Wood

  4. Brick


Correct Option: A
Explanation:

Plastic has light weight, lower price, good strength and easy to handle. Therefore, container are made from plastic.

Which plastic is commonly used as carry bags?

  1. Polythene

  2. Polyester

  3. PET

  4. Acrylic


Correct Option: A
Explanation:

Polyethylene is a thermoplastic polymer consisting of long hydrocarbon chains. Polyethylene or polythene is the most common plastic. Its primary use is in packaging (plastic bag, plastic films, containers including bottles, etc.).

Plastic is a polymer consisting of:

  1. synthetic monomers

  2. semi-synthetic monomers

  3. natural monomers

  4. both a and b


Correct Option: D
Explanation:

Plastic is a material consisting of synthetic or semi-synthetic organics that can be moulded into solid objects of diverse shapes. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural.