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.
| 901. |
Green house effect is warming due to |
| A. | infra-red rays reaching earth |
| B. | moisture layer in atmosphere |
| C. | increase in temperature due to increase in carbon dioxide concentration of atmosphere |
| D. | ozone layer of atmosphere. |
| Answer» D. ozone layer of atmosphere. | |
| 902. |
Which of the following are the key features of 'National Ganga River Basin Authority (NGRBA)'? (IAS Prelims 2016) 1. River basin is the unit of planning and management. 2. It spearheads the river conservation efforts at the national level. 3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on rotation basis. Select the correct answer using the code given below. |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 2 and 3 only | |
| 903. |
Which of the following best describes/ describe the aim of 'Green India Mission' of the Government of India? (IAS Prelims 2016) 1. Incorporating environment al benefits and costs into the Union and State Budgets thereby implementing the 'green accounting' 2. Launching the second green revolution to enhance agricultural output so as to ensure food security to one and all in the future 3. Restoring and enhancing forest cover and responding to climate change by a combination of adaptation and mitigation measures Select the correct answer using the code given below. |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 3 only |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 904. |
Which of the following is incorrect. i. India is the world's sixth largest and second fastest growing producer of greenhouse gases. ii. Delhi, Mumbai and Chennai are three of the world's least polluted cities. iii. Two-thirds of city dwellers lack sewerage; one-third lack portable, clean water. |
| A. | only i |
| B. | i and ii |
| C. | ii and iii |
| D. | only iii |
| Answer» B. i and ii | |
| 905. |
Which of the following are correct i. India has only 2.4 percent of the land area and accounts for 7-8 per cent of the recorded species of the world ii. In terms of species richness India ranks seventh in mammals ninth in birds and fifth in reptiles. |
| A. | 1 |
| B. | 2 |
| C. | Both |
| D. | None |
| Answer» D. None | |
| 906. |
Which of the following activities is/are permitted in the Eco Sensitive Zones (ESZ)? 1. Felling of trees 2. Establishment of Hotels and Resorts 3. Rain water harvesting Choose the correct alternative using the codes given below. |
| A. | 1 and 2 only |
| B. | 3 only |
| C. | 2 only |
| D. | 1, 2 and 3 |
| Answer» C. 2 only | |
| 907. |
Read the following statements regarding Access and Benefit Sharing (ABS) Mechanism. i. It is used for biodiversity conservation. ii. It involves sharing a part of profit earned from natural resources. iii. It involves paying tax to government for using natural resource. Choose the correct option. |
| A. | i and ii |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | i and iii |
| Answer» B. ii and iii | |
| 908. |
Read the following statements regarding an Eco-Sensitive Zone (ESZ). i. An ESZ has been proposed at Sanjay Gandhi National Park in Mumbai. ii. ESZ acts as a buffer for further protection around Protected Areas (PAs) such as National Parks and Wildlife sanctuaries. iii. ESZ is notified under Section 3 of the Environment (Management) Act, 1986 by the Union Ministry of Environment and Forest. Choose the correct option. |
| A. | i, ii and ii |
| B. | ii and iii |
| C. | i and ii |
| D. | i and iii |
| Answer» D. i and iii | |
| 909. |
Read the following statements on United Nations Convention to Combat Desertification. i. It has proposed Science-Policy Interface (SPI) to facilitate a two-way science-policy dialogue and ensure the delivery of policy-relevant information. ii. The SPI is composed of 25 members and three observers. Choose the correct option. |
| A. | i and ii |
| B. | only i |
| C. | Only i |
| D. | None of the above |
| Answer» C. Only i | |
| 910. |
Recently, which of the following states has proposed to introduce curriculum on water conservation? |
| A. | Madhya Pradesh |
| B. | Rajasthan |
| C. | Maharashtra |
| D. | Tamil Nadu |
| Answer» C. Maharashtra | |
| 911. |
Read the following statements regarding the World Bank's Climate Change Action Plan. i. It intends to control climate change by 2022. ii. It helps developing countries to deliver their targets set in the national climate plans submitted for the historic climate agreement reached at COP21 in Paris in December 2015. iii. It aims at integrating climate into urban planning through the Global Platform for Sustainable Cities. Choose the correct option. |
| A. | i and iii |
| B. | i and ii |
| C. | ii and iii |
| D. | i, ii and iii |
| Answer» D. i, ii and iii | |
| 912. |
Read the following statements regarding recycling of wastewater. i. It will increase water pollution. ii. Recycled wastewater cannot be used in agriculture. iii. It can also be a rich source of nutrients, minerals and energy. Choose the correct option. |
| A. | only iii |
| B. | i and iii |
| C. | i and iii |
| D. | i, ii and iii |
| Answer» B. i and iii | |
| 913. |
Read the following statements regarding the recent discovery of oil degrading bacteria. i. It cannot degrade hydrocarbons. ii. It has been discovered in Kochi, Kerala. iii. This bacteria does not have enzyme. Choose the correct option. |
| A. | i and ii |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | i and iii |
| Answer» B. ii and iii | |
| 914. |
Read the following statements regarding amendment of Form 22 related to noise pollution. i. It was amended under the Central Motor Vehicles Act, 1990. ii. It will include pollution standards, safety standards of component quality and road-worthiness certificate for all vehicles. iii. The Union Ministry of Road Transport & Highways plans to introduce five star ratings to vehicles based on their emission and noise pollution standards. Choose the correct option. |
| A. | i, ii and iii |
| B. | ii and iii |
| C. | i and ii |
| D. | i and iii |
| Answer» C. i and ii | |
| 915. |
Read the following statements regarding RajVayu app. i. It was launched in Madhya Pradesh. ii. It shares information about air quality index. iii. It was launched on the World Environment Day. Choose the correct option. |
| A. | i and ii |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | only ii |
| Answer» D. only ii | |
| 916. |
Read the following statements regarding National Air Quality Index. i. It is a colour-coded national air-quality index. ii. It was launched by the Minister for Environment, Forests & Climate Change. iii. It was launched under the Swachh Bharat Mission, Choose the correct option. |
| A. | i and iii |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | i and ii |
| Answer» D. i and ii | |
| 917. |
Which of the following activities has been banned in Ganga? |
| A. | boating |
| B. | fishing |
| C. | camping |
| D. | both a and b |
| Answer» D. both a and b | |
| 918. |
Read the following statements regarding the National Air Quality Monitoring Programme (NAMP). i. Four air pollutants viz., Sulphur Dioxide\[(S{{O}_{2}})\], Oxides of Nitrogen as \[N{{O}_{2}}\] Suspended Paniculate Matter (SPM) and Respirable Suspended Paniculate Matter (RSPM/ PM10) have been identified. ii. The monitoring of meteorological parameters such as wind speed and wind direction relative humidity (RH) and temperature were also integrated with the monitoring of air quality. Choose the correct option. |
| A. | only I |
| B. | both i and ii |
| C. | only ii |
| D. | None |
| Answer» C. only ii | |
| 919. |
Which of the following Indian banks has invested in the Carbon Disclosure Project? |
| A. | State Bank of India |
| B. | HDFC Bank |
| C. | Punjab National Bank |
| D. | Central Bank |
| Answer» B. HDFC Bank | |
| 920. |
What percent of total profitability need to be spent by companies in India towards environmental corporate responsibility? |
| A. | 5% |
| B. | 0.01 |
| C. | 3% |
| D. | 0.02 |
| Answer» E. | |
| 921. |
Which of the following pollutants can be removed by |
| A. | organic particles |
| B. | debris |
| C. | grit |
| D. | all the above |
| Answer» E. | |
| 922. |
Inland water quality-monitoring network is operated under |
| A. | Global Environment Monitoring System (GEMS) |
| B. | Monitoring of Indian National Aquatic Resources System (MINARS) |
| C. | Yamuna Action Plan (YAP) |
| D. | All the above |
| Answer» E. | |
| 923. |
Amrit, a low-cost arsenic filter using nano-filttation technology, has been developed by |
| A. | Indian Institute of Technology-Madras |
| B. | Indian Institute of Technology-Delhi |
| C. | Indian Institute of Science-Bangalore |
| D. | Indian Institute of Technology-Bombay |
| Answer» B. Indian Institute of Technology-Delhi | |
| 924. |
Ganga pollution can be controlled through |
| A. | sewage treatment |
| B. | rafting |
| C. | camping |
| D. | dams |
| Answer» B. rafting | |
| 925. |
Problem of solid waste can be reduced through |
| A. | Timber use |
| B. | lesser pollution |
| C. | population control |
| D. | recycling |
| Answer» E. | |
| 926. |
Recently, the use of which of the following has been proposed to monitor tigers? |
| A. | helicopters |
| B. | infrared camera |
| C. | drones |
| D. | radio signal |
| Answer» D. radio signal | |
| 927. |
Which of the following contribute to soil management |
| A. | organic farming |
| B. | bio-fertilizer |
| C. | intensive farming |
| D. | both a and b |
| Answer» E. | |
| 928. |
Which of the following provides financial aid for reducing carbon emission? |
| A. | World Bank |
| B. | United Nations |
| C. | World Health Organization. |
| D. | None |
| Answer» B. United Nations | |
| 929. |
The Delta Coalition is a collaborative delta policy of how many countries? |
| A. | 14 |
| B. | 20 |
| C. | 17 |
| D. | 12 |
| Answer» E. | |
| 930. |
Which of the following apps has been launched for monitoring of pollution levels in industrial regions. |
| A. | Drishti |
| B. | Watawaran |
| C. | Shristi |
| D. | None of the above |
| Answer» B. Watawaran | |
| 931. |
How much green cess has been proposed by the Environment Pollution (Prevention and Control) Authority (EPCA) for the National Capital Region (NCR) on diesel vehicles? |
| A. | 20-22% |
| B. | 15-20% |
| C. | 10-15% |
| D. | 20-25% |
| Answer» B. 15-20% | |
| 932. |
Which of the following implemented the National Rural Drinking Water Programme? |
| A. | Department of Drinking Water and Sanitation |
| B. | Department of Drinking Water Supply |
| C. | National Water Development Agency |
| D. | None of the above. |
| Answer» B. Department of Drinking Water Supply | |
| 933. |
Which of the following can be achieved through environment management? |
| A. | Intra-generation Equity |
| B. | Environmental Governance |
| C. | Conservation of critical environment resources |
| D. | all the above |
| Answer» B. Environmental Governance | |
| 934. |
What is the impact of human on phosphorous cycle? 1. Killing plants 2. No impact 3. Pollution 4. Use fertilizers that are not natural Choose the correct code |
| A. | 1 only |
| B. | 2 only |
| C. | 3 only |
| D. | 4 only |
| Answer» E. | |
| 935. |
Name the elements that help in creating phosphorous cycle? 1. Rocks 2. Earth crust 3. Air 4. Water Choose the correct code |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 1 and 3 |
| D. | 1 and 4 |
| Answer» B. 3 and 4 | |
| 936. |
Consider the following statement 1. Evaporation takes water into atmosphere in the form of vapors. 2. Clouds are formed when the vaporized water is cooled and condensed. Which of the following statement is correct? |
| A. | 1 only |
| B. | 2 only |
| C. | 1 and 2 |
| D. | None of the Above |
| Answer» D. None of the Above | |
| 937. |
Which of the following is not involved in the continuous water exchange? 1. Stones 2. Air 3. Land 4. Sea Choose the correct code |
| A. | 1 only |
| B. | 2 only |
| C. | 1 and 2 |
| D. | 3 and 4 |
| Answer» B. 2 only | |
| 938. |
With reference to the process of photosynthesis for carbon dioxide, which of the following statement is correct? 1. Through the process of photosynthesis carbon enters into non-living world in the form of carbon dioxide. 2. Recycling of carbon is done by the burning of fossil fuels. Select the correct answer from the following codes |
| A. | 1 Only |
| B. | 2 only |
| C. | 1 and 2 |
| D. | Neither of the Above |
| Answer» C. 1 and 2 | |
| 939. |
How is the oxygen cycle effected? 1. Human activities 2. Running of automobiles 3. Consumption of fossil fuels Choose the correct code |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 1, 2, 3 |
| Answer» E. | |
| 940. |
Atmosphere contains 21 % of which gas? 1. Nitrogen 2. Oxygen 3. Phosphorous |
| A. | 1 only |
| B. | 2 only |
| C. | 3 only |
| D. | None of the Above |
| Answer» C. 3 only | |
| 941. |
Which equation explains Nitrification? 1. \[N{{H}_{3}}\to N{{O}_{2}}\to N{{O}_{{{3}^{\,-}}}}\] 2. \[N{{H}_{3}}\to N{{O}_{3}}\to N{{O}_{{{2}^{\,-}}}}\] 3. \[N{{H}_{3}}\to N{{O}_{3}}\to N{{O}_{{{2}^{\,-}}}}\] Select the correct answer from the following codes |
| A. | 1 only |
| B. | 2 only |
| C. | 3 only |
| D. | All of the Above |
| Answer» B. 2 only | |
| 942. |
What is the name of processes of Nitrogen cycle? 1. Nitrogen Fixation 2. Nitrification 3. Assimilation 4. Denitrification Choose the correct option |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 1, 2, 3 |
| D. | 1, 2, 3, 4 |
| Answer» E. | |
| 943. |
Consider the following statement related to Abiotic 1. Abiotic components of ecosystem are the living features of ecosystem on which the living organism depends. 2. Abiotic component is referred to the physical environment and its numerous interacting variables. Which among the following statement is correct |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | None of the Above |
| Answer» C. Both 1 and 2 | |
| 944. |
The study of relationship of living organism with each other and with their environment is called_____. 1. Economy 2. Ecology 3. Geography 4. Environment Which among the following defines the statement |
| A. | 1 only |
| B. | 2 only |
| C. | 3 only |
| D. | 4 only |
| Answer» C. 3 only | |
| 945. |
With reference to two non-conventional energy sources called 'coalbed methane' and 'shale gas consider the following statements : 1. Coalbed methane is the pure methane gas extracted from coal seams while shale gas is a mixture of propane and butane only that can be extracted from fine-grained sedimentary rocks. 2. In India abundant coalbed methane sources exist but so far no shale gas sources have been found. 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» E. | |
| 946. |
Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? 1. Volcanic action 2. Respiration 3. Photosynthesis 4. Decay of organic matter Select the correct answer using the code given below. |
| A. | 1 and 3 only |
| B. | 2 only |
| C. | 1, 2 and 4 only |
| D. | 1, 2, 3 and 4 |
| Answer» D. 1, 2, 3 and 4 | |
| 947. |
Consider the following : 1. Bats 2. Bears 3. Rodents The phenomenon of hibernation can be observed in which of the above kinds of animals? |
| A. | 1 and 2 only |
| B. | 2 only |
| C. | 1, 2 and 3 |
| D. | Hibernation cannot be observed in any of the above |
| Answer» D. Hibernation cannot be observed in any of the above | |
| 948. |
With reference to the food chains in ecosystems, which of the following kinds of organism is/are known as decomposer organism/organisms? 1. Virus 2. Fungi 3. Bacteria Select the correct answer using the codes given below. |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» C. 1 and 3 only | |
| 949. |
With reference to food chains in ecosystems, consider the Following statements: 1. A food chain illustrates the order in which a chain of organisms feed upon each other. 2. Food chains are found within the populations of a species. 3. A food chain illustrates the numbers of each organism which are eaten by others. Which of the statements given above is/are correct? |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 1, 2 and 3 |
| D. | None |
| Answer» B. 1 and 2 only | |
| 950. |
When two organisms attempt to utilize the same resource, the result is: 1. A fundamental niche 2. Competition 3. Commensalism 4. Mutualism Choose the correct option from the codes given below: |
| A. | 1 and 2 |
| B. | 2 only |
| C. | 3 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» C. 3 and 4 | |