Environment & Ecology - MOST IMPORTANT IB ACIO Previous Year Questions
Practice real questions from previous year exams of IB ACIO.
📘 Sustainable Agriculture and Organic Farming📚 Misc
Q1
Which of the following were negative impacts of the Green Revolution?
(A) Increase in economic inequality between regions.
(B) Deficiency of micronutrients.
(C) Lowering of groundwater level.
(D) Physical and chemical degradation of soil.
🎯 IB ACIO–II/Exe Examination–17-01 2024 (Tier–I) Shift-II
📘 Energy Sources & Environmental Implications📚 Non-Conventional Renewable Energy Sources
Q2
Consider the following statements:
1. Kudankulam Nuclear Power Plant in Tamil Nadu is India's largest nuclear center based on its installed capacity.
2. Solar Energy Corporation of India (SECI) is responsible for the development of solar energy in India, including the implementation of the National Solar Mission.
3. Under its commitments to the Paris Agreement, India has set a target of achieving 275 GW of renewable energy capacity by 2022.
Which of the above statements are correct?
🎯 IB ACIO-II/Exe Examination-17-01-2024 (Tier-I) Shift-IV
📘 Sustainable Agriculture and Organic Farming📚 Definitions & General Facts
Q3
In the first phase of the Green Revolution (approximately mid-1960s to mid-1970s), the use of High Yielding Variety (HYV) seeds was restricted to more affluent people in which of the following states?
I. Punjab
II. Andhra Pradesh
🎯 IB ACIO-II/Exe Examination-18-01 2024 (Tier-I) Shift-I
📘 Air Pollution - Introduction📚 General Facts
Q4
As per the fifth World Air Quality Report prepared by IQ Air based on the annual average level of pollutant PM2.5 in air in 2023, which of the following statements is correct?
I. A total of 39 Indian cities featured on the list of world’s 50 most polluted cities.
II. The national capital ‘New Delhi’ is in the top 10 polluted cities.
🎯 IB ACIO-II/Exe Examination-18-01 2024 (Tier-I) Shift-II
📘 Basics of Environment & Ecology📚 Misc
Q5
Which of the following statements is correct about human-made resources?
I. People use natural resources to make buildings, bridges, roads, machinery and vehicles, which are known as human-made resources.
II. Technology is not a human-made resource.
🎯 IB ACIO-II/Exe Examination-18-01 2024 (Tier-I) Shift-II
📘 Air Pollution - Introduction📚 Misc
Q6
Which of the following institutions developed a new Decision Support System (DSS) in October 2021 for Air Quality Management in the Delhi-NCR region and enhanced the capacity of the existing Air Quality Early Warning System (AQEWS)?
🎯 IB ACIO-II/Exe Examination-18-01 2024 (Tier-I) Shift-III
📘 Basics of Environment & Ecology📚 Misc
Q7
Which of the following can be considered as elements of weather and climate?
I. Temperature
II. Precipitation
🎯 IB ACIO-II/Exe Examination-18-01 2024 (Tier-I) Shift-III
📘 Waste Management📚 Solid Waste Management
Q8
With reference to the GOBARdhan scheme, which of the following statements is/are correct?
Statement 1: The GOBARdhan scheme is being run as a national priority program under the Swachh Bharat Mission (Grameen) Phase-II.
Statement 2: The Department of Rural Development, Ministry of Rural Development is the nodal department for this scheme.
Statement 3: The Department of Drinking Water and Sanitation provides technical assistance to each district and financial assistance of up to ₹50 lakh per district.
🎯 IB ACIO-II/Exe Examination 18-01-2024 (Tier-I) Shift-III
📘 National Environmental Laws - Forest & Wildlife Conservation Related Laws📚 Scheduled Tribes and Other Traditional Forest Dwellers Act (Forest Rights Act), 2006
Q9
With reference to the 'Abua Bir Dishom Abhiyan', which of the following statements are true?
1. On November 6, 2023, the Jharkhand government launched the Abua Bir Dishom Abhiyan.
2. The 'Abua Bir Dishom Abhiyan' provides land ownership certificates to individuals and communities under the Forest Rights Act.
3. Other areas like grazing, fishing, access to water bodies, and recognition of traditional rights are included.
4. This campaign has been started after nine years.
🎯 IB ACIO-II/Exe Examination 18-01-2024 (Tier-I) Shift-IV
📘 Energy Sources & Environmental Implications📚 Non-Conventional Renewable Energy Sources
Q10
With reference to the 'Energy Transition of Indian States 2023' report prepared by the Institute for Energy Economics and Financial Analysis (IEEFA) with EMBER and published in February 2023, which of the following statements is/are correct?
Statement 1: Tamil Nadu and Gujarat are the Indian states that are making the most progress in overall readiness and commitment to clean electricity transition.
Statement 2: The report analyzes 16 Indian states, which account for 90% of the country's annual electricity requirement.
Statement 3: The report measures the performance of 16 states across four dimensions: decarbonisation, performance of power system, readiness of the power ecosystem, and policies and political commitment.
🎯 IB ACIO-II/Exe Examination 18-01-2024 (Tier-I) Shift-IV
📘 Sustainable Agriculture and Organic Farming📚 Definitions & General Facts
Q11
What were the risks associated with the implementation of the Green Revolution in India?
I. It could increase inequality between small and large farmers.
II. There was a greater risk of pest attacks on HYV (High Yielding Variety) crops, and farmers who adopted this technology could lose their entire crop due to pest attacks.
🎯 IB ACIO-II/Exe Examination 18-01-2024 (Tier-I) Shift-IV
📘 Environmental Impact Assessment (EIA)📚 EIA Process in India
Q12
Environmental Impact Assessment (EIA) involves several steps, each of which is equally important in determining the overall performance of the project. Arrange the following steps in the correct chronological order:
1. Scoping
2. Impact-analysis
3. Screening
4. Mitigation
🎯 IB ACIO-II/Exe Examination 18-01-2024 (Tier-I) Shift-IV
📘 Environmental Schemes in India📚 Misc
Q13
The National Forestry Action Programme (NEAP) identified which of the following mutually related fundamental issues facing forestry development in India?
1. Protecting existing forest resources
2. Improving forest productivity
3. Expanding forest area by planting trees only on non-forest land
4. Strengthening policy and institutional framework
🎯 IB ACIO-II/Exe Examination 18-01-2024 (Tier-I) Shift-IV
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q14
Members of which phylum are commonly known as 'Sea Walnuts'?
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)
📘 Ozone Depletion📚 Effects of Ozone Layer Depletion
Q15
What can be the effects of ozone depletion on human health?
1. Sunburn
2. Cataract
3. Skin cancer
4. Skin withering (aging)
Select the correct answer using the codes given below:
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)
📘 Basics of Environment & Ecology📚 Misc
Q16
Which of the following is the lightest gas?
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)
📘 Radioactive Pollution📚 Sources
Q17
Which of the following is the heaviest gas?
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)
📘 Air Pollution - Introduction📚 Examples of Air Pollutants
Q18
How does air pollution affect living organisms?
1. Sulfur dioxide causes damage to respiratory tissues.
2. Nitrogen oxides, especially NO2, can damage lungs.
3. Suspended particles in the air worsen our respiratory tract, leading to bronchitis and asthma.
4. Many volatile organic compounds and toxic substances can cause mutations, reproductive problems, or cancer.
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)
📘 Major Causes of Land Degradation📚 Soil Erosion
Q19
Gully erosion is mainly caused by which of the following factors:
1. Water
2. Wind
3. Shifting Cultivation
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)
📘 Methods of Soil Conservation📚 Crop Rotation
Q20
Which of the following statements about crop rotation is/are correct?
1. Crop rotation helps in returning nutrients to the soil without synthetic inputs.
2. Crop rotation is the activity of planting different crops sequentially on the same plot of land to improve soil health.
3. The rotation of crops spoils the soil structure because the same nutrient is used again and again.
🎯 IB ACIO-II/Exe Examination-2021 (Tier-II)