WBCS Mains Environment Waste Management, Noise & Radiation Pollution PYQs

WBCS Mains Environment Waste Management, Noise & Radiation Pollution

Waste Management, Noise & Radiation Pollution Questions 2022

Q. Which of the following solid waste disp. method is ecologically most acceptable?

(A) Land fill
(B) Incineration
(C) Pyrolysis
(D) Composting

Correct Answer: (D) Composting.

Q. What type of noise can be abated by providing lining on walls and ceiling with sound absorbing material?

(A) Source noise
(B) Air borne noise
(C) Structural noise
(D) Reflection noise

Correct Answer: (D) Reflection noise.

Waste Management, Noise & Radiation Pollution Questions 2021

Q. Noise pollution is measured using sound meter and the unit is

(A) Hertz
(B) Decibel
(C) Joule
(D) Sonogram

Correct Answer: (B) Decibel.

Waste Management, Noise & Radiation Pollution Questions 2020

Q. Ozone undergoes photolysis due to ultraviolet radiations of wavelength

(A) <320 nm
(B) <400 nm
(C) <500 nm
(D) <600 nm

Correct Answer: (A) <320 nm.

Waste Management, Noise & Radiation Pollution Questions 2019

Q. The noise level during plane take off is around

(A) 100 dB
(B) 150 dB
(C) 200 dB
(D) 250 dB

Correct Answer: (B) 150 dB.

Q. The following waste comes under red category:

(A) metal
(B) drug
(C) oil waste
(D) food waste

Correct Answer: (B) drug.

Q. The ideal temperature for composting is

(A) 30°C – 40°C
(B) 40°C – 50°C
(C) 50°C – 60°C
(D) 60°C – 70°C

Correct Answer: (C) 50°C – 60°C.

Q. The country where paper recycling was initiated in the world is

(A) UK
(B) USA
(C) Germany
(D) France

Correct Answer: (C) Germany.

Q. What is Incinerator?

(A) Furnace used for burning solid waste.
(B) Furnace used for treating liquid waste.
(C) Both (A) and (B)
(D) None of the above

Correct Answer: (A) Furnace used for burning solid waste.

Waste Management, Noise & Radiation Pollution Questions 2018

Q. The efficient utilisation of fly ash does not recommend for making

(A) portland fly ash cement.
(B) fly ash based building bricks.
(C) synthetic stone chips.
(D) fillers in concrete

Correct Answer: (C) synthetic stone chips.

Q. Immediate remedial measure to tackle non-degradable plastic waste pollution is

(A) Bio-diesel production
(B) as Bitumen filler
(C) C-black production
(D) Recycling

Correct Answer: (D) Recycling.

Q. Radioactive wastes should be entrapped in leakproof ________ containers before dumping into sea.

(A) concrete
(B) glass
(C) plastic
(D) steel

Correct Answer: (D) steel.

Q. Detrimental solid waste liberated by thermal power station is

(A) Red mud
(B) Fly ash
(C) Granulated Slag
(D) Carbon black

Correct Answer: (B) Fly ash.

Waste Management, Noise & Radiation Pollution Questions 2017

Q. Fly ash solid waste is the by-product of

(A) Hydro-electric Power Stations
(B) Iron and steel plant
(C) Thermal Power Plants
(D) Nuclear Power Plants

Correct Answer: (C) Thermal Power Plants.

Waste Management, Noise & Radiation Pollution Questions 2016

Q. Bioplastic mostly is produced from

(A) bacteria
(B) algae
(C) fungi
(D) protozoa

Correct Answer: (A) bacteria.

Q. Average per capita municipal solid waste generated per day in India is up to

(A) 100g
(B) 200g
(C) 300g
(D) 500g

Correct Answer: (C) 300g.

Q. Fly ash contains

(A) Si
(B) Al
(C) Fe
(D) All of the above

Correct Answer: (D) All of the above.

Q. Zero waste management was first successfully implemented at

(A) Vellore
(B) Chennai
(C) Bangaluru
(D) Mysore

Correct Answer: (D) Mysore.

Q. Anti dumping of liquid waste was taken up in

(A) London
(B) Basel
(C) Geneva
(D) Bern

Correct Answer: (B) Basel.

Waste Management, Noise & Radiation Pollution Questions 2014

Q. Physiological disorder may occur when the noise level reaches

(A) 110 db
(B) 120 db
(C) 135 db
(D) 145 db

Correct Answer: (B) 120 db.

Q. The super oil bag is actually

(A) A fungus
(B) An algae
(C) A bacteria
(D) A transgenic bacteria

Correct Answer: (D) A transgenic bacteria.

Q. GM counter is used to measure the following pollution

(A) Noise
(B) Water
(C) Radioactive
(D) Air

Correct Answer: (C) Radioactive.

Q. The best way to get rid of bio medical waste is

(A) Incineration
(B) Autoclaving
(C) Chemical treatment
(D) Land fill

Correct Answer: (A) Incineration.

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