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.

601.

Consider the following two statements:a. Tropical Evergreen forests: Scattered distribution of one particular species of tree eg. Rosewood.b. Tropical Deciduous Forests: They have fewer species but they are found in close proximity eg. Teak.Now state whether:

A. Only (a) is true
B. Only (b) is true
C. Both (a) and (b) are true
D. Neither (a) nor (b) is true
Answer» D. Neither (a) nor (b) is true
602.

According to an ICAR study report in 2015, the post harvest loss of cereals (cumulative wastage) is estimated to be _____________.

A. Less than 4%
B. 4.65 - 5.99%
C. 10.77 - 15.65%
D. 3.08 - 9.96%
Answer» C. 10.77 - 15.65%
603.

India’s first ‘White Tiger Safari’ has opened in ______________ State in India?

A. Uttar Pradesh
B. West Bengal
C. Tamil Nadu
D. Madhya Pradesh
Answer» E.
604.

Name the State Bird of Madhya Pradesh.

A. Peacock
B. Moorhen
C. Asian Paradise flycatcher
D. Parrot
Answer» D. Parrot
605.

Mahuadanr sanctuary is located in which district of Jharkhand?

A. Palamu
B. Koderma
C. Chatra
D. Latehar
Answer» E.
606.

Elephants, Bears and Rhinos are examples of -

A. Birds
B. Mammals
C. Amphibians
D. Reptiles
Answer» C. Amphibians
607.

Animals whose members are diminishing to a level that they might face extinction are known as ___________ animals.

A. endangered
B. endemic species
C. extinct
D. exotic
Answer» B. endemic species
608.

First Ozone hole was found over -

A. North Pole
B. Antarctica
C. Africa
D. South Pole
Answer» C. Africa
609.

Plants are green due to the presence of which pigment?

A. Carotenoid
B. Lycopene
C. Anthocyanin
D. Chlorophyll
Answer» E.
610.

Periyar National Park is in _________.

A. Tamil Nadu
B. Goa
C. Karnataka
D. Kerala
Answer» E.
611.

Dugong is the key fauna of which Biosphere Reserve?

A. Great Runn of Kutch
B. Simlipal
C. Manas
D. Gulf of Mannar
Answer» E.
612.

In February 2016, __________ was added as India's 49th Tiger Reserve.

A. Pakke Tiger Reserve, Arunachal Pradesh
B. Rajaji Tiger Reserve, Uttarakhand
C. Bor Tiger Reserve, Maharashtra
D. Orang Tiger Reserve, Assam
Answer» E.
613.

In which year was the Water Pollution Prevention and Control Act implemented?

A. 1980
B. 1974
C. 1981
D. None of these
Answer» C. 1981
614.

Examine the following statements:A. The highest waterfall in the Telangana state with a height of about 150 feet is located on Kadem riverB. Mallela Theertham waterfalls is located on Pranahita river.C. Bhima is a tributary of the Cauvery river.D. Mahavir Vanasthali Park located at Vanasthalipuram on the outskirts of Hyderabad is famous for deers.Choose the correct answer:

A. A, B and D only
B. C and D only
C. A and D only
D. B and C only
Answer» B. C and D only
615.

Accumulation of non-biodegradable pesticide in the food chain in increasing amount at each higher trophic level is known as

A. eutrophication
B. biopollution
C. biomagnification
D. None of the above
Answer» D. None of the above
616.

In which of the following states, Manas National Park is situated?

A. Assam
B. Sikkim
C. West Bengal
D. Odisha
Answer» B. Sikkim
617.

Ozone hole is caused by

A. acetylene
B. ethylene
C. chlorofluorocarbons
D. methane
Answer» D. methane
618.

Given below are two statements, one is labeled as Assertion (A) and the other as Reason (R).Assertion (A): Sustainable development is important for well being of human society.Reason (R): Sustainable development is a kind of development that meets the needs of the present without compromising the ability of future generations to meet their own needs.Select the correct answer from the codes given below :

A. Both (A) and (R) are true and (R) is the correct explanation of (A).
B. Both (A) and (R) are true but (R) is not the correct explanation of (A).
C. (A) is true, but (R) is false
D. (A) is false, but (R) is true
Answer» B. Both (A) and (R) are true but (R) is not the correct explanation of (A).
619.

Consider the following:1. Carbon dioxide2. Oxides of Nitrogen3. Oxides of sulphurWhich of the above is/are emission/emissions from coal combustion at thermal power plants?

A. 1 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» E.
620.

Lothian Island Wildlife Sanctuary is located in which of the following states?

A. Tamil Nadu
B. Maharashtra
C. Odisha
D. West Bengal
Answer» E.
621.

Match the following ‘A’ Group‘B’ Group(a) Tadoba National ParkRaigad(b) Nagzira SanctuarySangli(c) Sagareshvar SanctuaryBandara(d) Karnala SanctuaryChandrapur

A. (a) – (iv), (b) – (iii), (c – (i), (d) – (ii)
B. (a) – (iv), (b) – (i), (c – (iii), (d) – (ii)
C. (a) – (iii), (b) – (iv), (c – (i), (d) – (ii)
D. (a) – (iv), (b) – (iii), (c – (ii), (d) – (i)
Answer» E.
622.

Arrange the following biosphere reserves from west to east and select the correct answer using code given below:(a) Dehang - Dehang(b) Kanchanganga(c) Manas(d) Nandadevi

A. (a), (b), (c), (d)
B. (d), (b), (c), (a)
C. (d), (b), (a), (c)
D. (a), (c), (b), (d)
Answer» C. (d), (b), (a), (c)
623.

Predator is an organism that eats its ________.

A. Prey
B. Garbage
C. Itself
D. None of these
Answer» B. Garbage
624.

In which of the following states is the Similipal Biosphere Reserve located?

A. West Bengal
B. Odisha
C. Maharashtra
D. Uttar Pradesh
Answer» C. Maharashtra
625.

Food chain is

A. relationship between autotrophic organisms
B. exchange of genetic material between two organisms
C. passage of food (and thus energy) from one organism to another
D. modern enterpreneur establishment providing food outlets
Answer» D. modern enterpreneur establishment providing food outlets
626.

ISO-14000 standards is related to:

A. Pollution management
B. Risk management
C. Environmental management
D. None of the above
Answer» D. None of the above
627.

______ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

A. Natality
B. Mortality
C. Immigration
D. Emigration
Answer» E.
628.

Eutrophication in lake is due to the presence of

A. DO and bacteria
B. Nitrogen and phosphorous
C. BOD and COD
D. Chromium and mercury
Answer» C. BOD and COD
629.

In which state is the Sahayadri Tiger reserve situated?

A. Maharashtra
B. Odisha
C. Karnataka
D. Tamil Nadu
Answer» B. Odisha
630.

As per tiger census of 2014, tiger population in India was estimated at ________.

A. 1411
B. 1706
C. 2226
D. 1906
Answer» D. 1906
631.

A greenhouse gas is a gaseous mixture capable of _____.A. Equally visible and infraredB. More visible radiation than infraredC. More infrared radiation than visibleD. Neither visible nor infrared radiation

A. A
B. D
C. C
D. B
Answer» C. C
632.

In which population interactions both the species benefit?

A. Amensalism
B. Mutualism
C. Competition
D. Commensalism
Answer» C. Competition
633.

Out of the following percentages, which one of the following is correct for Nitrogen gas in the atmosphere?

A. 70%
B. 72%
C. 78%
D. 82%
Answer» D. 82%
634.

______ is a naturally occurring phenomenon that is responsible for the heating of the Earth’s surface and atmosphere.

A. Greenhouse effect
B. Global heating
C. Radiation
D. Global warming
Answer» B. Global heating
635.

Pin valley National park is situated in ________.

A. Andhra Pradesh
B. Arunachal Pradesh
C. Himachal Pradesh
D. Madhya Pradesh
Answer» D. Madhya Pradesh
636.

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?1. Carbon dioxide2. Carbon monoxide3. Nitrogen dioxide4. Sulfur dioxide5. MethaneSelect the correct answer using the code given below

A. 1, 2 and 3 only
B. 2, 3 and 4 only
C. 1, 4 and 5 only
D. 1, 2, 3, 4 and 5
Answer» C. 1, 4 and 5 only
637.

One way of checking the expansion of the Thar Desert would be?

A. By digging canals
B. Through artificial rains
C. Through afforestation
D. By constructing water reservoirs
Answer» D. By constructing water reservoirs
638.

___________ is a permit which allows a country or organization to produce certain amount of carbon emissions.

A. Carbon stock
B. Carbon store
C. Carbon copy
D. Carbon credit
Answer» E.
639.

Indiscriminate use of fertilizers have led to

A. soil pollution
B. water pollution
C. air pollution
D. All of the above
Answer» E.
640.

In which of the following ecosystems the species diversity is relatively higher?

A. Deep sea
B. Tropical rain forest
C. Coral reefs
D. Desert
Answer» D. Desert
641.

Grazing food chain starts from

A. producers
B. decomposers
C. macroconsumers
D. None of the above
Answer» B. decomposers
642.

Carbon dioxide is one of the gases that cause the _______.

A. Greenhouse effect
B. Ozonification
C. Oven phenomenon
D. Sunburn
Answer» B. Ozonification
643.

According to the competitive exclusion principle, two species cannot continue to occupy the same

A. Biome
B. Habitat
C. Territory
D. Niche
Answer» E.
644.

Kaziranga is known for.

A. Rhinoceros
B. Monkey
C. Birds
D. Lion
Answer» B. Monkey
645.

In which of the following, boundaries are not circumscribed?

A. Biosphere reserve
B. Colony park
C. National park
D. Sanctuary
Answer» E.
646.

Directions: The following seven (7) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below.Statement I: Bioaccumulation is a process of progressive accumulation of heavy metals and pesticides in an organism.Statement II: Large fishes of the pond are found to have higher concentration of pesticides than planktons of the same pond

A. Both the statements are individually true, and Statement II is the correct explanation of Statement I
B. Both the statements are individually true, but Statement II is not the correct explanation of Statement I
C. Statement I is true but Statement II is false
D. Statement I is false but Statement II is true
Answer» C. Statement I is true but Statement II is false
647.

'Biosphere Reserves' are most appropriately described as:

A. Bio-gas production sites
B. Mineral deficient reserves
C. Learning sites for sustainable development
D. Sites affected by deforestation
Answer» D. Sites affected by deforestation
648.

Montreal Protocol is related to which of the following?

A. E-waste
B. Ozone layer
C. Water pollution
D. No option is correct
Answer» C. Water pollution
649.

Chandra Prabha Wildlife Sanctuary is located in which state of India?

A. Uttar Pradesh
B. Rajasthan
C. Madhya Pradesh
D. Gujarat
Answer» B. Rajasthan
650.

Askot Wild Life Sanctuary is reserved for species :

A. Musk Deer
B. Elephant
C. Tiger
D. None of the above
Answer» B. Elephant