Important QnA Ewaste Hazards and Management Class 12

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Important QnA Ewaste Hazards and Management Class 12

Now let us begin this article Important QnA Ewaste hazards and management class 12 with objective type questions. Afterwards we will discuss subjective type questions also.

Objective Type Questions (OTQs)

In this section of Important QnA Ewaste Hazards and Management Class 12, I will discuss OTQs such as MCQs, fill in the blanks, true/false etc. So here we go!

1. The garbage of electronic gadgets such as computers peripherals, laptop accessories, mobiles is known as _________. (Ans. E-waste)
2. Ewaste increasing day by day is blessings for the environment. (True/False)
3. In India, E-Waste management assumes greater significance because
   • generation of own e-waste
   • dumping of e-waste from developed countries
   • lack of awareness
   • All of these
4. WEEE stands for ________________. (Ans. Waste Electrical and Electronic Equipment)
5. WEEE is almost ________ % of e-waste from solid waste.
   • 5
   • 10
   • 15
   • 20
6. Which of the following is one of the impacts of e-waste on the environment?
   • Global Warming
   • deforestation
   • soil erosion
   • emission of gases
7. When the e-waste dumped or thrown in landfills, the chemicals seep into the ___________ and pollutes it. (Ans. soil)
8. E-waste can cause water pollution and air pollution also. (Ans. True/False)
9. Which of the following component of electronic gadgets can damages a human’s kidney, brain and nervous system?
   • beryllium
   • lead
   • copper
   • mercury
10. When circuits burnt for disposals, it creates which of the following harmful chemical?
    • beryllium
    • lead
    • copper
    • mercury
11. Beryllium can causes
    • skin disease or allergies or increase the risk of lung cancer
    • can damage human’s kidney, brain and human nervous system
    • neurological disorders
    • damage live and bones
12. The insulated wire has copper which causes ____________
    • skin disease or allergies or increase the risk of lung cancer
    • can damage human’s kidney, brain and human nervous system
    • neurological disorders
    • damage live and bones
13. The __________ used in semiconductors and registers can damage a human’s kidney, liver and bones. (Ans. cadmium)
14. The plastic used in the electronic gadgets causes
    1. skin disease or allergies or increase the risk of lung cancer
    2. damages the immune system of the body and leads to stress and anxiety
    3. neurological disorders
    4. damage live and bones
15. We cannot dispose of e-waste completely. (True/False)
16. Which of the following reduce e-waste?
    • purchasing more and more gadgets
    • using them for a short time and then discarded
    • good maintenance
    • all of these
17. The process of re-selling old electronic goods at lower prices is called _______________________.(Ans. refurbishing)
18. ____________ refers to the process of conversion of electronic devices into something else which can be used again and again. (Ans. Recycling)
19. Polluters pay Principle means
    • anyone causing the pollution will pay for the damage caused
    • polluters paid well by NGOs
    • polluters may get a bonus
    • polluters are not the cause of pollution
20. The ____________ has issued guidelines for the proper handling and disposal of e-waste. (Ans. Central Pollution Control Board (CPCB))
21. Who is responsible for the disposal of the product when it becomes e-waste?
    • the sellers
    • the producers
    • the customers
    • the vendors
22. Department of Information Technology (DIT) issued a comprehensive technical guide on “Environmental Management for Information Technology Industry in India. (True/False)
23. _____________ deals with designing and arranging such furniture, equipment and systems to make the work comfortable on computers. (Ans. Ergonomics)
24. The right position of seating in front of the computer is straight and 90 degree. (True/False)
25. While seating in front of the computer for long hours the seat bank angle and knee angle shoule be 45 degree. (True/False)

In the next section of QnA Ewaste Hazards and Management Class 12, I will discuss some subjective type questions.

Subjective Type Questions (STQs)

1. What do you mean by E-Waste?
   • E-waste refers to the garbage of computer peripherals, laptop components, mobile phones and accessories, printers, scanners etc.
   • The discarded electronic gadgets or those gadgets which are not in use can be considered as E-Waste.
2. What are the impacts of E-waste on the environment?
   • It pollutes air through the emission of gases and flumes in the atmosphere
   • It pollutes soil when dumped into the landfills by seeping harmful chemicals into the soil
   • It pollutes the water by releasing the particles into the water of sea, rivers, ponds or lakes
3. What are the impacts of E-waste on humans?
   • Most of the devices use batteries. In these batteries lead is used generally. When a lead enters the human body via food, water, air or soil it damages the human’s kidney, brain and central nervous system. It causes lead poisoning in children.
   • When the circuits burnt for disposal, it creates a harmful chemical named beryllium. It causes skin disease or allergies or may increase the risk of lung cancer.
   • Burning insulated wire causes neurological disorders due to copper.
   • Some devices having mercury which causes respiratory disorders and brain damage.
   • The cadmium which is generally used in semiconductors and resistors can damage kidneys, liver and bones,
   • Plastic damages the immune system of the body and leads to stress and anxiety.
4. How to manage e-waste efficiently?
   • Reduce:
     • Reduce the purchase of electronic devices
     • Use some alternates
     • Use them as per the need only
     • Discard them only after their useful life ends
     • Good maintenance of devices
   • Reuse:
     • The devices can be modified
     • The devices can be reused for other purposes
     • The discarded devices can be supplied or sold to someone who can use them
     • Refurbish them
   • Recycle:
     • Recycling refers to the process of conversion of electronic devices into something else which can be used again and again.
     • The e-waste which cannot be recycled can be repaired, refurbished or re-used.
     • Many NGOs provide doorstep services to collect e-waste.
5. What are the techniques used in India for E-waste management?
   • According to Environmental Protection Act, 1986, anyone causing the pollution will pay for the damage caused.
   • If anyone violates the rules can be punished.
   • The Central Pollution Control Board issues the guideline for proper disposal of E-Waste.
   • The guideline says that the manufacture of the product will be responsible for the disposal of the product when it becomes e-waste.
   • The Department of Information Technology (DIT) issued a comprehensive technical guide on “Environmental Management for Information Technology Industry in India.”
   • The industries have to follow these guidelines for recycling and reuse of e-waste.
   • Many companies started the process of recycling programs.
6. What are some side effects of spending too much time on computers?
   • The Internet can be addictive
   • Can have a negative impact on our physical and psychological well being
   • Muscle and joint problems
   • Overuse injuries like swelling, pain, joint stiffness, weakness and numbness
   • Eyestrain
7. While sitting in front of the computer which points should be taken care of?
   • Always take care of viewing distance and viewing angle
   • The right position should be straight and with a 90 degree
   • Always take support at your lower back
   • Knee Angle and Seat Back angle should be a 90-degree angle
   • Adjust the height of the chair
   • Feet on floor for shorter people

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