MCQOPTIONS
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MCQOPTIONS
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.
| 551. |
Basel Convention provides |
| A. | Indian standards for pollution measurement and prevention |
| B. | international guidelines to control the transboundary movements of hazardous wastes between different countries |
| C. | Indian standards for the disposal of municipal and industrial wastes |
| D. | international standards to categorize pollution in air and wastewater |
| Answer» C. Indian standards for the disposal of municipal and industrial wastes | |
| 552. |
In the atmosphere, which gas(s) is/are found in lesser quantity?I. Carbon DioxideII. HeliumIII. Argon |
| A. | Only II |
| B. | I, II and III |
| C. | Only III |
| D. | Only I |
| Answer» C. Only III | |
| 553. |
Match List - I with List-II and select the correct answer using the codes given below the lists:List – I(Park/Sanctuary)List – II(State) (A) Dochigam Wildlife Sanctuary (1) Madhya Pradesh (B) Keoladeo Ghana Bird Sanctuary (2) Rajasthan (C) Kanha National Park (3) Kerala (D) Periyar Wildlife Sanctuary (4) Jammu and Kashmir |
| A. | (A) - (4), (B) - (2), (C) - (1), (D) - (3) |
| B. | (A) - (1), (B) - (3), (C) - (2), (D) - (4) |
| C. | (A) - (2), (B) - (1), (C) - (4), (D) - (3) |
| D. | (A) - (3), (B) - (4), (C) - (2), (D) - (1) |
| Answer» B. (A) - (1), (B) - (3), (C) - (2), (D) - (4) | |
| 554. |
One of the conventional sources of energy is |
| A. | wind energy |
| B. | tidal energy |
| C. | hydroelectric energy |
| D. | None of the above |
| Answer» E. | |
| 555. |
Fossil National Park of Madhya Pradesh is located at |
| A. | Sidi |
| B. | Mandla |
| C. | Shivpuri |
| D. | Khandwa |
| Answer» C. Shivpuri | |
| 556. |
Coral reefs are mainly distributed globally in |
| A. | Temperate water |
| B. | Tropical water |
| C. | Antarctic water |
| D. | Arctic water |
| Answer» C. Antarctic water | |
| 557. |
Keystone species are: |
| A. | Community at the equilibrium state with the environment. |
| B. | Species that have significant effect on energy flow and structure of their Communities. |
| C. | Species that influence its Community by creating, modifying, or maintaining physical habitat for itself and other species. |
| D. | Species that arrive to inhabit areas first where no life existed earlier. |
| Answer» D. Species that arrive to inhabit areas first where no life existed earlier. | |
| 558. |
Increased concentration of carbon dioxide in the air is believed to cause: |
| A. | Acid rain |
| B. | Deforestation |
| C. | Global warming |
| D. | Ignition |
| Answer» D. Ignition | |
| 559. |
Ecological pyramid shows the number energy or biomass at each trophic level. Generally ecological pyramids are upright. However, one of the following pyramid is 'inverted'. Identify. |
| A. | Pyramid of biomass of aquatic ecosystem. |
| B. | Pyramid of number of tree ecosystem |
| C. | Pyramid of energy of sea ecosystem. |
| D. | Both 1 and 2 |
| Answer» E. | |
| 560. |
Nitrogen fixing bacteria make combination with cells of the roots of |
| A. | Pulses |
| B. | Rice |
| C. | Wheat |
| D. | Sugarcane |
| Answer» B. Rice | |
| 561. |
An energy audit team is formed during |
| A. | post audit phase |
| B. | audit phase |
| C. | pre-audit phase |
| D. | the time of study |
| Answer» D. the time of study | |
| 562. |
Evaporation of water occurs at ________. |
| A. | at freezing point |
| B. | all temperatures |
| C. | at boiling point |
| D. | at fusion temperature |
| Answer» C. at boiling point | |
| 563. |
IUCN (The International Union For Conservation of Nature And Natural Resources) headquarters is at : |
| A. | Gland, Switzerland |
| B. | Paris, France |
| C. | Vienna, Austria |
| D. | New York, USA |
| Answer» B. Paris, France | |
| 564. |
In which year ‘Bio Diversity Act’ was passed in India ? |
| A. | 2000 |
| B. | 2002 |
| C. | 2010 |
| D. | 2017 |
| Answer» C. 2010 | |
| 565. |
A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following? |
| A. | Food crop |
| B. | Rat |
| C. | Snake |
| D. | Hawk |
| Answer» E. | |
| 566. |
About 70% of the sun is made up of ______. |
| A. | Carbon |
| B. | Oxygen |
| C. | Hydrogen |
| D. | Helium |
| Answer» D. Helium | |
| 567. |
In which one of the following cities the mountains of sand called “Sand Dunes” are found? |
| A. | Abu Dhabi |
| B. | Berlin |
| C. | Thimpu |
| D. | Kabul |
| Answer» B. Berlin | |
| 568. |
______ is the concentration of a toxin at successively higher levels in a food chain. |
| A. | Biodillution |
| B. | Biosynthesis |
| C. | Biomagnification |
| D. | Biosolution |
| Answer» D. Biosolution | |
| 569. |
In which one of the following states most villagers construct their wooden houses 3 to 3.5 m above the ground on strong bamboo pillars with sloping roofs? |
| A. | Ladakh |
| B. | Assam |
| C. | Odisha |
| D. | Rajasthan |
| Answer» C. Odisha | |
| 570. |
Acid rain refers to the precipitation with a pH ________. |
| A. | less than 5 |
| B. | More than 6 |
| C. | more than 7 |
| D. | equal to 7 |
| Answer» B. More than 6 | |
| 571. |
Area wise, which Indian state has the largest forest cover in the country as on December 2019? |
| A. | Kerala |
| B. | Madhya Pradesh |
| C. | Arunachal Pradesh |
| D. | Mizoram |
| Answer» C. Arunachal Pradesh | |
| 572. |
In which State 'Silent Valley' is located in India? |
| A. | Tamil Nadu |
| B. | Kerala |
| C. | Karnataka |
| D. | Assam |
| Answer» C. Karnataka | |
| 573. |
National Air Quality Index is determined on the basis of concentration of ________ pollutants. |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» E. | |
| 574. |
Forests and oceans act as sinks for which greenhouse gas? |
| A. | Methane |
| B. | Carbon dioxide |
| C. | Chlorofluorocarbons |
| D. | Nitrous oxide |
| Answer» C. Chlorofluorocarbons | |
| 575. |
How many Indian biosphere reserves are included in the UNESCO World Network of Biosphere Reserves, as of October 2019? |
| A. | 17 |
| B. | 18 |
| C. | 9 |
| D. | 11 |
| Answer» E. | |
| 576. |
Biodiversity has maximum danger from |
| A. | destruction of natural habitats and vegetation |
| B. | Improper agricultural operations |
| C. | Climate change |
| D. | Water pollution |
| Answer» B. Improper agricultural operations | |
| 577. |
Consider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC) :1. TRAFFIC is a bureau under United Nations Environment Programme (UNEP).2. The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature.Which of the above statements is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 578. |
'Fly Ash' is the waste generated by: |
| A. | Hydropower plant |
| B. | Thermal power plant |
| C. | Geothermal plant |
| D. | Windmills |
| Answer» C. Geothermal plant | |
| 579. |
______ located in Thekkady, Kerala is the perfect example of nature's bounty with great scenic beauty and rich biodiversity. |
| A. | Wild Ass Sanctuary |
| B. | Dachigam National Park |
| C. | Pakhal Sanctuary |
| D. | Periyar Wildlife Sanctuary |
| Answer» E. | |
| 580. |
Photochemical smog is a resultant of the reaction among |
| A. | NO2, O3 and peroxyacetyl nitrate in the presence of sunlight |
| B. | CO, O2 and peroxyacetyl nitrate in the presence of sunlight |
| C. | CO, CO2 and NO2 at low temperature |
| D. | high concentration of NO2, O3 and CO in the evening |
| Answer» B. CO, O2 and peroxyacetyl nitrate in the presence of sunlight | |
| 581. |
Dachigam National Park is in ________. |
| A. | Jammu and Kashmir |
| B. | Kerala |
| C. | Sikkim |
| D. | Uttarakhand |
| Answer» B. Kerala | |
| 582. |
In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the _________. |
| A. | Ecosystem |
| B. | Mountain range |
| C. | Forest |
| D. | Atmosphere |
| Answer» B. Mountain range | |
| 583. |
Nanda Devi National Park is situated in Chamoli district of __________. |
| A. | Jammu and Kashmir |
| B. | Himachal Pradesh |
| C. | Uttarakhand |
| D. | Sikkim |
| Answer» D. Sikkim | |
| 584. |
In the context of various environment protection treaties/protocols and the places associated with them, which of the following is NOT correctly paired? |
| A. | Protocol on Biosafety - Cartagena |
| B. | Convention on the Prior Informed Consent Procedure for Certain Hazardous Chemicals and Pesticides in International Trade - Stockholm |
| C. | Convention on the Control of Transboundary Movement of Hazardous Wastes and their Disposal - Basel |
| D. | Convention on Biological Diversity - Nagoya |
| Answer» C. Convention on the Control of Transboundary Movement of Hazardous Wastes and their Disposal - Basel | |
| 585. |
Nanda Devi is situated in |
| A. | Himachal Pradesh |
| B. | Uttarakhand |
| C. | Nepal |
| D. | Sikkim |
| Answer» C. Nepal | |
| 586. |
During light phase of photosynthesis, _________ is oxidized and _________ is reduced. |
| A. | water, NADP |
| B. | NADPH2, CO2 |
| C. | CO2, water |
| D. | CO2, NADPH2 |
| Answer» B. NADPH2, CO2 | |
| 587. |
Incenerators are used for which of the following? |
| A. | Burning wastes |
| B. | Putting wastes into them |
| C. | For cutting green trees |
| D. | For making fertilizers |
| Answer» B. Putting wastes into them | |
| 588. |
Consider the following statements about Sultanpur National Park:(a) It was upgraded to National Park in the year 1991.(b) It is famous for its migratory birds.Which of the above statement/statements is/are true? |
| A. | Only (a) is true. |
| B. | Only (b) is true. |
| C. | Neither (a) nor (b) is true. |
| D. | Both (a) and (b) are true. |
| Answer» E. | |
| 589. |
Ozone layer found in the atmosphere within |
| A. | 100 - 200 km |
| B. | 50 - 100 km |
| C. | 10 - 50 km |
| D. | 10 - 30 km |
| Answer» D. 10 - 30 km | |
| 590. |
Pench National Park is situated in ________________ |
| A. | Meghalaya |
| B. | Madhya Pradesh |
| C. | Uttarakhand |
| D. | Telangana |
| Answer» C. Uttarakhand | |
| 591. |
Periyar Wildlife Sanctuary is located in __________ state. |
| A. | Uttar Pradesh |
| B. | Kerala |
| C. | Madhya Pradesh |
| D. | Maharashtra |
| Answer» C. Madhya Pradesh | |
| 592. |
Match List I with List II and select the correct answer using the code given below the Lists: List I(National Park/Wildlife Sanctuary) List II(State) A.Chandra Prabha 1.Uttarakhand B.Silent Valley 2.Chhattisgarh C.Valley of flowers3.Uttar Pradesh D.Indravati4.Kerala |
| A. | A - 2, B - 1, C - 4, D - 3 |
| B. | A - 3, B - 4, C - 1, D - 2 |
| C. | A - 2, B - 4, C - 1. D - 3 |
| D. | A - 3, B - 1, C - 4, D - 2 |
| Answer» C. A - 2, B - 4, C - 1. D - 3 | |
| 593. |
A good measure of biodiversity of an area is: |
| A. | The number of animals found there |
| B. | The number of trees found there |
| C. | The number of people found there |
| D. | The number of species found there |
| Answer» E. | |
| 594. |
CDM stands for:A. Clean Development MechanismB. Carbon Degeneration MechanismC. Carbon Degeneration MissionD. Cash Deposit Mechanism |
| A. | B |
| B. | C |
| C. | A |
| D. | D |
| Answer» D. D | |
| 595. |
In wetland farming, the rainfall is in ______ soil moisture requirement of plants during rainy season. |
| A. | excess of |
| B. | inverse of |
| C. | lesser to |
| D. | same to |
| Answer» B. inverse of | |
| 596. |
In which year was the Environment Protection Act of India enacted? |
| A. | 1986 |
| B. | 2000 |
| C. | 1974 |
| D. | 1992 |
| Answer» B. 2000 | |
| 597. |
Consider the following statements in the context of the Clean Energy Ministerial (CEM):1. It is a global forum to promote policies and programs that advance clean energy technology and to encourage the transition to a global clean energy economy.2. India is a participating nation in the Clean Energy Ministerial.3. India has denied to participate in the programme ‘21st Century Power’ under Clean Energy Ministerial.Which of the above statements are correct? |
| A. | 2 and 3 only |
| B. | 1 and 3 only |
| C. | 1 and 2 only |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 598. |
Montreal protocol is related to- |
| A. | Nuclear weapons |
| B. | Protection of Wild Life |
| C. | Protection of Whales |
| D. | Protection of Ozone layer |
| Answer» E. | |
| 599. |
Ozone layer thickness is measured in: |
| A. | PPM |
| B. | PPB |
| C. | Decibels |
| D. | Dabson units |
| Answer» E. | |
| 600. |
Among the followings, which bird is near to extinct now ? |
| A. | Crane |
| B. | Corvus |
| C. | Mountain Quail |
| D. | Himalayan Cuckoo |
| Answer» D. Himalayan Cuckoo | |