All Exams Test series for 1 year @ ₹349 only
Question

What is waste?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

Unwanted or unusable materials

The correct answer is Option 2: Unwanted or unusable materials.

Waste is defined as any material that is considered unwanted, useless, or discarded after its primary purpose has been fulfilled. This can encompass a wide range of substances, from household garbage and industrial byproducts to agricultural residues and hazardous materials. Options 1, 3, and 4 describe materials that are valuable or useful, directly contrasting with the definition of waste.

Was this answer helpful?

Similar Questions

  1. Define e-waste.

  2. Which of the following is the safest method for disposing of toxic dust?

  3. When did India implement the Hazardous Wastes (Management and Handling) Rules to regulate the disposal and handling of hazardous waste?
  4. Why is it important to follow proper disposal procedures for industrial waste?

Important Questions from Waste

  1. The rule of three 'Rs' to get rid of waste, doesnotinclude:

  2. Define e-waste.

  3. Why is recycled paper banned for use in food containers?

  4. The process of getting rid of wastes by organisms is known as _________ ?

  5. Decentralised Waste Water Treatment (DEWAT) system has ________.
    (A) Low primary investment.
    (B) Easy to operate and maintenance.
    (C) Baffled filter reactor filled with stone for filtration.
    (D) First three chambers for sedimentation of sludge.
    Choose the correct answer from the options given below:
Need Expert Advice?
Upcoming Exams
RRB JE
October 27, 2026
RRB ALP
November 03, 2026
Test Series
RRB ALP img
Railways
RRB ALP 2026 Mock Test series
1035 Tests 1 Tests Free
1308 Attempts
4.3(246)
English, Hindi

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App