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.
| 1001. |
The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show? |
| A. | the food plants mature and die at the end of the rainy season |
| B. | its population growth curve is of J-type |
| C. | the population of its predators increases enormously |
| D. | S-shaped or sigmoid growth of this insect. |
| Answer» C. the population of its predators increases enormously | |
| 1002. |
Homeostasis is |
| A. | Tendency of biological systems to change with change in environment |
| B. | Tendency of biological systems to resist change |
| C. | Disturbance of self-regulatory system and natural controls |
| D. | Biotic materials used in homeopathic medicines. |
| Answer» C. Disturbance of self-regulatory system and natural controls | |
| 1003. |
Which of the following is correct regarding the ecosystem? |
| A. | Primary consumers are least dependent upon producers |
| B. | Primary consumers out-number producers |
| C. | Producers are more than primary consumers |
| D. | Secondary consumers are the largest and most powerful. |
| Answer» D. Secondary consumers are the largest and most powerful. | |
| 1004. |
Which of the following forms the part of Project Green Ports? |
| A. | Green Ports Initiatives |
| B. | Swachh Bharat Abhiyaan |
| C. | Ujwal Bharat |
| D. | Both [a] and [b] |
| Answer» E. | |
| 1005. |
Which of the following includes ecosystem modelling? |
| A. | Hydrodynamic modelling of Chilika Lake |
| B. | Hydrodynamic modelling of Dal Lake |
| C. | Agronomic modelling of Chilika Lake |
| D. | Both [a] and [b] |
| Answer» B. Hydrodynamic modelling of Dal Lake | |
| 1006. |
Algale blooms can be monitored by using |
| A. | Ocean Colour Monitor sensors |
| B. | Pressure censors |
| C. | Temperature sensors |
| D. | Both [b] and [c] |
| Answer» E. | |
| 1007. |
Consider the following statements: (1) The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015. (2) The Alliance includes all the member countries of the United Nations. 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» B. 2 only | |
| 1008. |
Which of the following statements is/are correct? (i) India is a member of South Asia Wildlife Enforcement Network (SAWEN). (ii) It aims at combating wildlife crime by strengthening its ties with the member countries. |
| A. | only (i) |
| B. | (i) and (ii) |
| C. | only (ii) |
| D. | None |
| Answer» C. only (ii) | |
| 1009. |
Read the following statements regarding Operation Thunder Bird programme. (i) It was initiated by the Wildlife Crime Control Bureau (WCCB). (ii) It aim at preventing wild birds. (iii) It had convened Operation Save Kurma, a species specific operation on turtles. Choose the correct option. |
| A. | (i) and (ii) |
| B. | (i) and (iii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. (ii) and (iii) | |
| 1010. |
Read the following statements regarding Forest Carbon Partnership Facility. (i) It is an Indian organisation which focuses on reducing emissions. (ii) It aims at enhancing forest carbon stocks in developed countries. Choose the correct option. |
| A. | (i) |
| B. | (ii) |
| C. | (i) and (ii) |
| D. | None of the above |
| Answer» E. | |
| 1011. |
Read the following statements regarding forest conservation. (i) National Forest Commission was set up in 2002 to review and assess India's policy and law on forest (ii) Chipko Movement stated in 1975 for forest conservation. (iii) Jhum cultivation helped in forest conservation. Choose the correct option. |
| A. | only i |
| B. | i and ii |
| C. | ii and iii |
| D. | i and iii |
| Answer» B. i and ii | |
| 1012. |
Read the following statements regarding Eco-cities in India. (i) Six medium and small Eco-cities were planned by the Ministry of Environment and Forest (MoEF) in association with Central Pollution Control Board (CPCB). (ii) The focus of the project was pollution control and improvement of environmental quality. (iii) One of the proposed eco-cities is Chennai. Choose the correct option. |
| A. | (i) and (ii) |
| B. | (i) and (iii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» B. (i) and (iii) | |
| 1013. |
Which of the following species of exotic fish have affected marine ecology? |
| A. | Brown Trout |
| B. | Loch Leven Trout |
| C. | Rainbow Trout |
| D. | All the above |
| Answer» E. | |
| 1014. |
Read the following statements regarding Madhav Gadgil Commute Report on Western Gnat. (i) The Western Ghats Ecology Expert Panel (WGEEP) designates the Western Ghat as an Ecologically Sensitive Area (ESA). (ii) report recommended that permission need to be sought for dam construction in Ecological Sensitive Zone 1. (iii) The constitution of a Western Gnats Ecology Authority (WGEA) was recommended as a statutory authority under the Ministry of Environment and Forests. Choose the correct option. |
| A. | (ii) and (iii) |
| B. | (i) and (iii) |
| C. | (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» D. (i), (ii) and (iii) | |
| 1015. |
Read the following statements regarding Indian Himalayan ecology. (i) Climate change in the Indian Himalayan region is monitored by National Mission for Sustaining the Himalayan Ecosystem (NMSHE). (ii) Indian Himalayas Climate Adaptation Programme (IHCAP) aims to study climate change impacts on natural resources. (iii) Himalayan plants include Blue Poppy, Creeping Cotoneaster, and Deodar Cedar. Choose the correct option. |
| A. | only (iii) |
| B. | (i), (ii) and (iii) |
| C. | (i) and (iii) |
| D. | only (i) |
| Answer» C. (i) and (iii) | |
| 1016. |
Read the following statements regarding Indian wetlands. (i) Largest wetland of India includes Vembanad lake, Chilika lake, Kolleru lake and Loktak Lake. (ii) Remote Sensing and Geographic Information System (GIS) tools have been used in flood zonation mapping in wetlands. (iii) Normalized Difference Vegetation Index (NDVI) is used for separation of wetland areas. Choose the correct option. |
| A. | (i), (ii) and (iii) |
| B. | (ii) and (iii) |
| C. | only (ii) |
| D. | (i) and (iii) |
| Answer» B. (ii) and (iii) | |
| 1017. |
Read the following statements regarding Montreux Record. (i) It is a register of wetland sites where changes in ecological character have occurred, are occurring, or are likely to occur as a result of technological developments. (ii) It is maintained as part of the Ramsar List. Choose the correct option. |
| A. | Neither i nor ii |
| B. | only i |
| C. | both i and ii |
| D. | ii only |
| Answer» D. ii only | |
| 1018. |
With reference to a conservation organization called Wetlands International', which of the following statements is/are correct? (i) It is an intergovernmental organization formed by the countries which are signatories to Ramsar Convention. (ii) It works at the field level to develop and mobilize knowledge, and use the practical experience to advocate for better policies. Select the correct answer using the code given below. |
| A. | Neither (i) nor (ii) |
| B. | only (i) |
| C. | both (i) and (ii) |
| D. | (ii) only |
| Answer» E. | |
| 1019. |
Which of the following is not correct regarding Ganga Action Plan. (i) It was launched by the National Ganga River Basin Authority. (ii) It aimed at beatification of Ganga. (iii) It focused on rehabilitation of soft-shelled turtles. Choose the correct option. |
| A. | only (i) |
| B. | (i) and (ii) |
| C. | (ii) and (iii) |
| D. | only (ii) |
| Answer» E. | |
| 1020. |
Read the following statements regarding Ecosystem Modelling. (i) It has been used for hydrodynamic modelling of Chilika and Kochi backwaters. (ii). Water quality criteria for copper, cadmium and mercury have been determined. (iii) It focuses on 20 training programmes on hazard mapping, satellite oceanography, and marine pollution. Choose the correct option. |
| A. | i and ii |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | only i |
| Answer» D. only i | |
| 1021. |
Read the following statements regarding Indian marine ecology. (i) Ecological damage is caused by inshore mechanized fishing in state like Kerala, Goa, Tamil Nadu, Orissa. (ii) Indo-Norwegian Project is related to installing solar plants along the coast. (iii) Marine ecology is affected by exotic fish. Choose the correct option. |
| A. | (i) and (iii) |
| B. | (ii) and (iii) |
| C. | (i), (ii) and (iii) |
| D. | Only (iii) |
| Answer» B. (ii) and (iii) | |
| 1022. |
Read the following statements regarding Project Green Ports. (i) It was a part of Swachh Bharat Abhiyaan. (ii) It aims at acquiring dust suppression system. (iii) It bans fishing activities along coast. Choose the correct option. |
| A. | only (i) |
| B. | (i)and(ii) |
| C. | (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. (ii) and (iii) | |
| 1023. |
Read the following statements regarding Coastal Ocean Monitoring and Prediction System. (i) It predicts the level of dissolved oxygen and nitrate in the sea close to the shore. (ii) The movement of oil during oil spills has been studied with the help of the system. (iii) The coats of Goa, Kerala and Visakhapatnam have used the system. Choose the correct option. |
| A. | (i), (ii) and (iii) |
| B. | (i) and (iii) |
| C. | (ii) and (iii) |
| D. | (i) and (ii) |
| Answer» B. (i) and (iii) | |
| 1024. |
Which state(s) has/have fully exploited maximum sustainable yield? |
| A. | Maharashtra |
| B. | Tamil Nadu |
| C. | Both [a] and [b] |
| D. | None of the above |
| Answer» D. None of the above | |
| 1025. |
Which of the following help in preventing desertification? |
| A. | United Nations Convention to Combat Desertification |
| B. | Indian Convention to Combat Desertification |
| C. | World Convention to Combat Desertification |
| D. | United Nations Convention on Preventing Desertification |
| Answer» B. Indian Convention to Combat Desertification | |
| 1026. |
Which of the following is correct about BS -III vehicles in India? |
| A. | BS -III vehicles have been banned in India. |
| B. | Manufactures of BS -III vehicles will have to pay more tax for BS -III vehicles. |
| C. | BS-IV trucks are 80 per cent cleaner tea BS-III. |
| D. | both a and c |
| Answer» E. | |
| 1027. |
Which of the following resulted in the reduction of the number of dolphins from Ganga. |
| A. | Construction of dams |
| B. | water pollution |
| C. | industrial effluents |
| D. | all the above |
| Answer» E. | |
| 1028. |
Ocean Colour Monitor sensors are used to monitor |
| A. | fish movement |
| B. | algal blooms |
| C. | oil spills |
| D. | both a and b |
| Answer» C. oil spills | |
| 1029. |
Which of the following project is related to mechanize fishing? |
| A. | Indo-Norwegian Project |
| B. | Indo-Chinese Project |
| C. | Indio-Sri Lankan Project |
| D. | Indo-Tibetan Project |
| Answer» B. Indo-Chinese Project | |
| 1030. |
Which of the following is true for Inverter Air Conditioners? |
| A. | They can operate on inverters |
| B. | They consume less energy |
| C. | Their rating is based on Indian Seasonal Energy Efficiency Ratio |
| D. | Both [b] and [c] |
| Answer» E. | |
| 1031. |
Which of the following tribes organize a month-long ecological campaign/festival? |
| A. | Gond |
| B. | Korku |
| C. | Bhail |
| D. | Both [a] and [b] |
| Answer» E. | |
| 1032. |
Movement of lions, tigers, elephants, olive ridley turtles and other wild animals can be monitored with the help of |
| A. | Radio collars |
| B. | Global Positioning System |
| C. | Satellite uplink facilities |
| D. | All the above |
| Answer» E. | |
| 1033. |
Which of the following components was recently introduced in the scheme 'Integrated Development of Wildlife Habitats'? |
| A. | Recovery of Endangered Species |
| B. | Conservation of lions |
| C. | Recovery of tigers |
| D. | Recovery of Elephants |
| Answer» B. Conservation of lions | |
| 1034. |
Which of the following animals' behavior was studied by Dudhwa Tiger Reserve and National Trust for Nature Conservation (NTNC) with the help of a monitoring technique. |
| A. | Tiger |
| B. | Lion |
| C. | Greater One-Horned Rhinoceros |
| D. | Elephants |
| Answer» D. Elephants | |
| 1035. |
The event Kanha-Pench Walk 2016 was held to conserve |
| A. | Tigers |
| B. | Lions |
| C. | Elephants |
| D. | Deer |
| Answer» B. Lions | |
| 1036. |
Inshore mechanized fishing leading to ecological damage has been observed in |
| A. | Kerala |
| B. | Goa |
| C. | Tamil Nadu |
| D. | All the above |
| Answer» E. | |
| 1037. |
Which of the following state where mass nesting of the endangered Olive Ridley turtle takes place was given marine sanctuary status? |
| A. | West Bengal |
| B. | Odisha |
| C. | Tamil Nadu |
| D. | Kerala |
| Answer» C. Tamil Nadu | |
| 1038. |
In which of the following States is lion-tailed macaque found in its natural habitat? 1. Tamil Nadu 2. Kerala 3. Kamataka 4. Andhra Pradesh Select the correct answer using the codes given below. |
| A. | 1, 2 and 3 only |
| B. | 2 only |
| C. | 1, 3 and 4 only |
| D. | 1, 2, 3 and 4 |
| Answer» B. 2 only | |
| 1039. |
Recently, for the first time in our country, which of the following States has declared a particular butterfly as ?State Butterfly'? [IAS Prelims 2016] |
| A. | Arunachal Pradesh |
| B. | Himachal Pradesh |
| C. | Karnataka |
| D. | Maharashtra |
| Answer» E. | |
| 1040. |
Consider the following protected areas: 1. Bandipur 2. Bhitarkanika 3. Manas 4. Sunderbans Which 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 | |
| 1041. |
Consider the following sanctuaries of India 1. Periyar 2. Dachigam 3. Sariska 4. Kanha Which one among the following is the correct sequence of location of the above sanctuaries from South to North? |
| A. | 1, 4, 2, 3 |
| B. | 4, 1, 3, 2 |
| C. | 1, 4, 3, 2 |
| D. | 3, 1, 4, 2 |
| Answer» D. 3, 1, 4, 2 | |
| 1042. |
The risk of introducing a natural enemy to control an invasive species is that |
| A. | it might drive the invasive species to extinction. |
| B. | the natural enemy might also become a pest. |
| C. | the natural enemy might evolve into a new species |
| D. | the natural enemy may introduce genetic diversity into the invasive species. |
| Answer» C. the natural enemy might evolve into a new species | |
| 1043. |
With reference to an initiative called The Economics of Ecosystems and Biodiversity (TEEB)', which of the following statements is/are correct? [IAS Prelims 2016] 1. It is an initiative hosted by UNEP, IMF and World Economic Forum. 2. It is a global initiative that focuses on drawing attention to the economic benefits of biodiversity. 3. It presents an approach that can help decision makers recognize, demonstrate and capture the value of ecosystems and biodiversity. Select the correct answer using the code given below. |
| A. | 1 and 2 only |
| B. | 3 only |
| C. | 2 and.3 only |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 1044. |
As the smuggling networks strengthen, India continues to bear the disgrace of being the source of the illegal trade and export of tortoises and freshwater turtles (TFT). Consider the following statements in this regard: I. 28 species of tortoises and freshwater turtles are found in India. II. Turtles act as scavengers of cleaning up water bodies and generally are used as indicators of river health. III. The National Mission for Clean Ganga envisages breeding and release of turtles to clean wetlands. Which of the following statements is true? |
| A. | I and III |
| B. | II and III |
| C. | I and II |
| D. | I, II and III |
| Answer» E. | |
| 1045. |
In which of the following States is lion-tailed macaque found in its natural habitat? 1. Tamil Nadu 2. Kerala 3. Kamataka 4. Andhra Pradesh Select the correct answer using the codes given below. |
| A. | 1, 2 and 3 only |
| B. | 2 only |
| C. | 1, 3 and 4 only |
| D. | 1, 2, 3 and 4 |
| Answer» B. 2 only | |
| 1046. |
Biodiversity is richer in |
| A. | tropical regions |
| B. | polar regions |
| C. | temperate regions |
| D. | oceans |
| Answer» B. polar regions | |
| 1047. |
Which country issued its first Green Bonds with a record sale of USD 7.5 billion in January, 2017? |
| A. | Britain |
| B. | France |
| C. | Germany |
| D. | Mauritius |
| Answer» C. Germany | |
| 1048. |
Ministry for water resources, river development and Ganga rejuvenation has announced to celebrate the birth anniversary of Dr. Bhim Rao Ambedkar held on 14th April as which day? |
| A. | Health Day |
| B. | Water Day |
| C. | Conservation Day |
| D. | Food Day |
| Answer» C. Conservation Day | |
| 1049. |
Consider the following fauna of India: 1. Gharial 2. Leatherback turtle 3. Swamp deer Which of the above is/are endangered? |
| A. | 1 and 2 only |
| B. | 3 only |
| C. | 1, 2 and 3 |
| D. | None |
| Answer» D. None | |
| 1050. |
Consider the following: 1. Star tortoise 2. Monitor lizard 3. Pygmy hog 4. Spider monkey Which of the above are naturally found in India? |
| A. | 1, 2 and 3 only |
| B. | 2 and 3 only |
| C. | 1 and 4 only |
| D. | I, 2, 3 and 4 |
| Answer» B. 2 and 3 only | |