WBCS Mains Environment Disasters & Disaster Management Questions 2022

Q. Gas released during Bhopal tragedy was

(A) methyl isocyanate
(B) potassium isothiocyanate
(C) sodium isothiocyanate
(D) ethyl isocyanate

Correct Answer: (A) methyl isocyanate.

Q. By definition, what are you most likely to find in a biodiversity hotspot?

(A) A large abundance of endangered species
(B) A large number of endemic species
(C) Mostly eukaryotic species
(D) Extremophiles

Correct Answer: (B) A large number of endemic species.

WBCS Mains Environment Disasters & Disaster Management Questions 2021

Q. Sulphur dioxide smog is known as

(A) Kolkata smog
(B) London smog
(C) Bhopal smog
(D) Los Angeles smog

Correct Answer: (B) London smog.

Q. Bhopal tragedy occurred due to a highly toxic chemical:

(A) Methyl isocyanate
(B) Methyl ethyl isocyanate
(C) Methyl cyanate
(D) Ethyl isocyanate

Correct Answer: (A) Methyl isocyanate.

WBCS Mains Environment Disasters & Disaster Management Questions 2020

Q. The name Amoco Cadiz is related with

(A) Nuclear waste site
(B) Oil slick
(C) Toxic cloud
(D) Forest fire

Correct Answer: (B) Oil slick.

Q. The Bhopal Disaster occurred on

(A) December 3, 1984
(B) January 4, 1984
(C) August 14, 1984
(D) None of the above

Correct Answer: (A) December 3, 1984.

Q. For the detection of polyaromatic hydrocarbons which of the following instruments is used?

(A) Atomic absorption spectrophotometer
(B) X-ray Diffractometer
(C) Gas Chromatography
(D) Flame photometer

Correct Answer: (C) Gas Chromatography.

Q. Cement dust is characterized by very fine particles. Which of the following air pollution control devices is appropriate for removing them from hot exhaust gases emanating from cement kiln?

(A) Bag house
(B) Cyclone
(C) Venture scrubber
(D) Electrostatic precipitator

Correct Answer: (D) Electrostatic precipitator.

Q. Cyclone collector is used for minimizing

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

Correct Answer: (B) Air pollution.

WBCS Mains Environment Disasters & Disaster Management Questions 2019

Q. The operation ‘Surya Hope’ is related to

(A) Uttarakhand flood
(B) Kerala flood
(C) Kashmir flood
(D) Assam flood

Correct Answer: (A) Uttarakhand flood.

Q. The following bacteria may be used to mitigate oil spill:

(A) Bacillus
(B) Pseudomonas
(C) E. coli
(D) Nitrobacter

Correct Answer: (B) Pseudomonas.

WBCS Mains Environment Disasters & Disaster Management Questions 2018

Q. During Bhopal gas tragedy, the harmful gas evolved was

(A) Phosgene
(B) Ammonia
(C) Carbyl amine
(D) Methyl isocyanate

Correct Answer: (D) Methyl isocyanate.

Q. Which one of the following statements is false?

(A) River pollution is due to industrial and domestic sewage discharge.
(B) Surface water contains a lot of organic matters and nutrients.
(C) Oil slick in sea increases dissolved oxygen content.
(D) Oil spill in sea causes heavy damage to fishery

Correct Answer: (C) Oil slick in sea increases dissolved oxygen content.

Q. The aim of rain water harvesting is to

(A) recharge groundwater.
(B) avoid floods
(C) control soil erosion
(D) conservation of freshwater

Correct Answer: (A) recharge groundwater.

Q. CO level in burnt flue gas upto 150 ppm can be monitored by means of

(A) Non-dispersive IR spectroscopy
(B) UV-Vis spectroscopy
(C) Atomic absorption spectroscopy analysis
(D) Flame photometry

Correct Answer: (A) Non-dispersive IR spectroscopy.

WBCS Mains Environment Disasters & Disaster Management Questions 2017

Q. Gas released during Bhopal tragedy was:

(A) Sodium isothiocyanate
(B) Ethyl isothiocyanate
(C) Potassium isothiocyanate
(D) Methyl isothiocyanate

Correct Answer: (D) Methyl isothiocyanate.

WBCS Mains Environment Disasters & Disaster Management Questions 2016

Q. The number of tsunamis are highest in

(A) Atlantic Ocean
(B) Pacific Ocean
(C) Indian Ocean
(D) Bay of Bengal

Correct Answer: (B) Pacific Ocean.

Q. The largest oil spill so far was recorded from

(A) Alaska
(B) Gulf of Mexico
(C) Persian Gulf
(D) Arabian Sea

Correct Answer: (B) Gulf of Mexico.

Q. A severe cyclone in Richter scale has a value of

(A) 4 – 4.9
(B) 5 – 5.9
(C) 6 – 6.9
(D) 7 – 7.9

Correct Answer: (D) 7 – 7.9.

Q. What is meant by disaster mitigation?

(A) Planning how to respond to a disaster
(B) Returning the community to normal conditions
(C) Taking immediate measures to save life and property
(D) Minimizing the possible effects of a disaster

Correct Answer: (D) Minimizing the possible effects of a disaster.

Q. Which one of the following is a natural disaster?

(A) Bhopal Gas tragedy
(B) Chernobyl accident
(C) Exxon Valdez spill
(D) Uttarakhand forest fire

Correct Answer: (D) Uttarakhand forest fire.

WBCS Mains Environment Disasters & Disaster Management Questions 2014

Q. Which gas caused industrial disaster in Bhopal in December, 1984

(A) Oleum
(B) Fuel
(C) MIC
(D) Methylamine

Correct Answer: (C) MIC.