Explore topic-wise MCQs in UPSC IAS Exam.

This section includes 1185 Mcqs, each offering curated multiple-choice questions to sharpen your UPSC IAS Exam knowledge and support exam preparation. Choose a topic below to get started.

201.

An industry is consistently polluting air due to its hazardous gas emission. The product has high export value and the industry provides employment to hundreds of workers. What action is required by the pollution control authority first?

A. Order immediate shutdown
B. Allow production with heavy penalty
C. Distribute free mask to nearby area
D. Appoint expert committee for solution to reduce emission
Answer» B. Allow production with heavy penalty
202.

In which state is Ranthambore National Park located?

A. Madhya Pradesh
B. Maharashtra
C. Uttar Pradesh
D. Rajasthan
Answer» E.
203.

According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?1. Gharial2. Indian wild ass3. Wild buffaloSelect the correct answer using the code given below :

A. 1 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» E.
204.

Identify the incorrect pair from among the following pairs of states and the wildlife sanctuaries therein

A. Madhya Pradesh - Sundraban
B. Odisha - Similipal
C. Rajashtan - Ranthambor
D. Uttar Pradesh - Dudhwa
Answer» B. Odisha - Similipal
205.

A well / pond, with all the natural animals and plants, remaining in a balanced state is an example of:

A. Population
B. Biosphere
C. Ecosystem
D. Community
Answer» D. Community
206.

In which year was Central Zoo Authority of India established as a statutory body under the Ministry of Environment and Forest by the Government of India?

A. 1991
B. 1989
C. 1992
D. 1990
Answer» D. 1990
207.

It is possible to produce algae-based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?1. Production of algae-based biofuels is possible in seas only and not on continents.2. Setting up and engineering the algae-based biofuels production requires high level of expertise/technology until the construction is completed.3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.Select the correct answer using the code given below:

A. 1 and 2 only
B. 2 and 3 only
C. 3 only
D. 1, 2 and 3
Answer» C. 3 only
208.

Bonn convention is related to -

A. Migratory species
B. Chemical weapons
C. Pollution
D. Conservation of soil
Answer» B. Chemical weapons
209.

Acid rain is caused by release of _____ and ______ into the air.A. Carbon dioxide and carbon monoxideB. Sulphur dioxide and nitrogen oxidesC. Oxygen and water vapourD. Nitrous oxide and ozone

A. C
B. D
C. B
D. A
Answer» D. A
210.

All the interacting organisms in an area together with the non-living constituents of the environment form an _______.

A. Ecology
B. Hotspot
C. Ecosystem
D. System
Answer» D. System
211.

Match List - I with List - II and select the correct answer using the codes given below the lists: List – I (National Parks) List – II (States) A. Indravati 1. Jharkhand B. Mollem 2. Haryana C. Kalesar 3. Goa D. Betla 4. Chhattisgarh

A. 4, B) 3, C) 2, D) 1
B. 4, B) 2, C) 3, D) 1
C. 4, B) 1, C) 3, D) 2
D. 3, B) 4, C) 2, D) 1
Answer» B. 4, B) 2, C) 3, D) 1
212.

Centre for Environment Education is located at:

A. New Delhi
B. Dehradun
C. Ahmedabad
D. Hyderabad
Answer» D. Hyderabad
213.

One of the following processes is not a step involved in the water cycle operating in nature:

A. Evaporation
B. Transpiration
C. Precipitation
D. Photosynthesis
Answer» E.
214.

In which of the following Ecosystem benthic zone is found?

A. Tundra Ecosystem
B. Forest ecosystem
C. Water ecosystem
D. Desert ecosystem
Answer» D. Desert ecosystem
215.

Match the following;National ParkAnimalKanhaRhinocerosKazirangaTigerGirLion

A. 1-c, 2-b, 3-a
B. 1-b, 2-a, 3-c
C. 1-b, 2-c, 3-a
D. 1-a, 2-b, 3-c
Answer» C. 1-b, 2-c, 3-a
216.

Achanakmar-Amarkantak Biosphere Reserve is located in the following states:

A. Sikkim and Manipur
B. Madhya Pradesh and Chhattisgarh
C. Assam and Mizoram
D. Uttarakhand and Uttar Pradesh
Answer» C. Assam and Mizoram
217.

Choose the correct match

A. Corbett - Madhya Pradesh
B. Darra - Rajasthan
C. Perambakulam - Karnataka
D. Bandipur - Tamil Nadu
Answer» C. Perambakulam - Karnataka
218.

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons are this attributable?1. The anaerobic conditions associated with rice cultivation cause the emission of methane.2. When nitrogen-based fertilizers are used, nitrous oxide is emitted from the cultivated soil.Which of the statements given above is/are correct?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2
219.

In which of the following states is the Kanha Kisli Reserve located?

A. Chhattisgarh
B. Madhya Pradesh
C. Telangana
D. Uttar Pradesh
Answer» C. Telangana
220.

Match the following:A) Bandipur National Parki) NagalandB) Gir National Parkii) KarnatakaC) Mahavir Wild Life Sanctuaryiii) GoaD) Intaki National Parkiv) Gujurat

A. A-i, B-ii, C-iii, D-iv
B. A-iii, B-i, C-iv, D-ii
C. A-ii, B-iv, C-iii, D-i
D. A-iv, B-ii, C-i, D-iii
Answer» D. A-iv, B-ii, C-i, D-iii
221.

How many Biosphere Reserves have been set up in India as per 2017?

A. 20
B. 18
C. 7
D. 10
Answer» C. 7
222.

In India, The Coffee Act was enacted in:

A. 1942
B. 1947
C. 1956
D. 1980
Answer» B. 1947
223.

A species of dolphin is found in the freshwater of the Ganges and Brahmaputra rivers, locally called _______.

A. Damini
B. Olive ridley
C. Susu
D. Sundari
Answer» D. Sundari
224.

_________ affect(s) the rate of humus formation of soil.

A. Flora & Fauna
B. Time
C. Temperature
D. Parent rock
Answer» B. Time
225.

Due to improper disposal of used computers, or their parts, which of the following are released into the environment?

A. Beryllium and cadmium
B. Chromium and Mercury
C. Lead
D. All of the above
Answer» E.
226.

Match the following:Column – I (Biosphere Reserves)Column – II (State)(a) Nilgiri(i) Uttaranchal(b) Nandadevi(ii) Arunachal Pradesh(c) Nokrek(iii) Tamil Nadu(d) Namdapha(iv) Meghalaya

A. (a) – (iii), (b) – (i), (c – (ii), (d) – (iv)
B. (a) – (iii), (b) – (i), (c – (iv), (d) – (ii)
C. (a) – (i), (b) – (iii), (c – (iv), (d) – (ii)
D. (a) – (ii), (b) – (iv), (c – (i), (d) – (iii)
Answer» C. (a) – (i), (b) – (iii), (c – (iv), (d) – (ii)
227.

Bio-remediation is a technology which is being extensively utilized in controlling

A. global warming
B. melting of glaciers
C. ozone depletion
D. heavy metal pollutions
Answer» E.
228.

Nepenthese Khasiana is

A. Primary producer & Primary consumer
B. Secondary Producer and Secondary consumer
C. Primary carnivore and Primary producer
D. Secondary carnivore and secondary producer
Answer» D. Secondary carnivore and secondary producer
229.

How CNG is a cleaner fuel?I. It produces oxides of Sulphur and Nitrogen in very small amounts.II. It makes environment less polluted.III. It emits less greenhouse gases.

A. Only I and II
B. Only II and III
C. Only I and III
D. All I, II and III
Answer» E.
230.

In which year, the Sultanpur National Park of Haryana was upgraded to the status of National Park ?

A. 1992
B. 1995
C. 1991
D. 1994
Answer» D. 1994
231.

Nitrogen fixation is done by:

A. Lightening
B. Fixing Bacteria
C. Fertilizer
D. All of these
Answer» E.
232.

Consider the following kinds of organisms:1. Bat2. Bee3. BirdWhich of the above is/are pollinating agent/agents?

A. 1 and 2 only
B. 2 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» E.
233.

Mission of Ramsar Convention is to conserve ______.

A. Wetland
B. Rivers
C. Oceans
D. Deserts
Answer» B. Rivers
234.

In which state is Vedanthangal Bird Sanctuary located ?

A. Kerala
B. Rajasthan
C. Tamil Nadu
D. Jharkhand
Answer» D. Jharkhand
235.

Consider the following statements:1. Coal ash contains arsenic, lead and mercury.2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.3. High ash content is observed in Indian coal.Which of the statements given above is/are correct?

A. 1 only
B. 2 and 3 only
C. 3 only
D. 1, 2 and 3
Answer» E.
236.

Energy conservation is very important today because

A. Sources of conventional energy are fast depleting
B. Electrical energy has become more expensive
C. Electrical energy consumption is increasing
D. None of the above
Answer» B. Electrical energy has become more expensive
237.

As of October 2019, what is the total number of wildlife sanctuaries in India?

A. 564
B. 547
C. 543
D. 551
Answer» E.
238.

High Biological Oxygen Demand (BOD) indicates

A. High level of Microbial Pollution
B. Low level of Microbial Pollution
C. Absence of Microbial Pollution
D. None of the above
Answer» B. Low level of Microbial Pollution
239.

If in any water Body, there is high BOD value then it is generally _____.

A. Very clean
B. Very polluted
C. Highly productive
D. Highly unproductive
Answer» C. Highly productive
240.

In April 2016, the National Green Tribunal suspended the environmental clearance given to the proposed hydropower project in Arunachal Pradesh to save the ______.

A. Great Hornbills
B. Gayals
C. Medicinal Plants
D. Black-necked Cranes
Answer» E.
241.

Cartajena protocol is related to

A. Biosafety agreement
B. Pollution
C. Ozone depletion
D. Climate change
Answer» B. Pollution
242.

Ghughva is the main site of -

A. Fossil National Park
B. Madhav National Park
C. Van Vihar National Park
D. Satpura National Park
Answer» B. Madhav National Park
243.

‘Eco mark’ is given to the Indian products that are ______.

A. Pure and unadulterated
B. Rich in proteins
C. Environment-friendly
D. Economically viable
Answer» D. Economically viable
244.

'NEERI' is located at

A. Nagpur
B. Mumbai
C. Chennai
D. Bengaluru
Answer» B. Mumbai
245.

Consider the following protected areas:1. Bandipur2. Bhitarkanika3. Manas4. SunderbansWhich of the above are declared Tiger Reserves?

A. 1 and 2 only
B. 1, 3 and 4 only
C. 2, 3 and 4 only
D. 1, 2, 3 and 4
Answer» C. 2, 3 and 4 only
246.

In India, the use of carbofuran, methyl parathion, phorte and triazophos is viewed with apprehension. These chemicals are used as

A. pesticides in agriculture
B. preservatives in processed foods
C. fruit-ripening agents
D. moisturising agents in cosmetics
Answer» B. preservatives in processed foods
247.

In which state is the Kanha National Park situated?

A. Madhya Pradesh
B. Haryana
C. Karnataka
D. Manipur
Answer» B. Haryana
248.

A boy boarded a train on 30th June 2019 at Madgaon for Nagarcoil. The train departed at 09:45 hours from Madgaon and reached Nagarcoil at 07:15 hours on the next day. If the distance covered by the train during this time interval is 1140 km, the average speed of the train was

A. 53 km/h
B. 54.5 km/h
C. 57 km/h
D. 51.5 km/h
Answer» B. 54.5 km/h
249.

Arrange the following Tiger Reserves of India from North to South:1. Dudhwa2. Panna3. Pench4. IndravatiSelect the correct answer using the code given below.

A. 4, 3, 2, 1
B. 2, 1, 4, 3
C. 1, 2, 3, 4
D. 1, 3, 2, 4
Answer» D. 1, 3, 2, 4
250.

In the context of Air Pollution, SPM refers to:-

A. Solid Particle Matter
B. Smoke Pollution Measure
C. Suspended Polluting Matter
D. Suspended Particulate Matter
Answer» E.