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Current Affairs January 2024

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4

What is the term for the process by which a body of water becomes nutrient-rich and supports excessive plant growth?

A. Eutrophication

B. Acidification

C. Salinization

D. Leaching

Correct Answer :

A. Eutrophication


Related Questions

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4

Which of the following is a greenhouse gas that is over 20 times more effective at trapping heat in the atmosphere compared to carbon dioxide?

A. Methane

B. Nitrous Oxide

C. Hydrofluorocarbons (HFCs)

D. Sulfur Hexafluoride (SF6)

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4

Which of the following is a method of sustainable agriculture that involves planting a variety of crops in the same area to increase biodiversity and reduce the risk of pests?

A. Monoculture

B. Agroforestry

C. Crop Rotation

D. Intercropping

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4

What is the term for the process by which a species evolves over time to better suit its environment?

A. Evolution

B. Adaptation

C. Speciation

D. Mutation

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4

What is the term for the process by which nitrogen gas is converted into a form that plants can use?

A. Nitrogen Fixation

B. Nitrification

C. Denitrification

D. Ammonification

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4

What is the term for the variety of life forms, including different species, ecosystems, and genetic variations within a given area?

A. Biodiversity

B. Ecosystem Services

C. Ecological Footprint

D. Habitat Fragmentation

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4

Which of the following is a primary source of indoor air pollution?

A. Outdoor Smog

B. Radon Gas

C. Ground-level Ozone

D. Acid Rain

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4

Which of the following is a method of reducing air pollution from vehicles by using technologies that trap and remove pollutants from exhaust gases?

A. Catalytic Converter

B. EGR Valve

C. ABS System

D. CVT Transmission

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4

What is the term for the gradual increase in the acidity of oceans due to the absorption of excess carbon dioxide from the atmosphere?

A. Acidification

B. Salinization

C. Alkalization

D. Neutralization

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4

Which of the following is a method of reducing energy consumption in homes by improving insulation and sealing air leaks?

A. Energy Star Certification

B. Passive House Design

C. LEED Certification

D. Green Roof Installation

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4

Which of the following is a source of non-point source pollution in aquatic ecosystems?

A. Wastewater Treatment Plants

B. Industrial Discharges

C. Runoff from Roads and Parking Lots

D. Oil Spills

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4

Which of the following is considered a non-point source of water pollution?

A. Factory Effluent Pipe

B. Sewage Treatment Plant

C. Pesticide Runoff from Fields

D. Oil Spill from a Tanker

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4

What is the term for the introduction of harmful substances or pollutants into the environment?

A. Pollution

B. Erosion

C. Leaching

D. Condensation

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4

What is the main cause of soil erosion?

A. Deforestation

B. Agricultural Practices

C. Urbanization

D. All of the above

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4

Which layer of the atmosphere is closest to the Earth's surface?

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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4

What is the term for the process of converting organic waste into a material that can be used as a soil conditioner or fertilizer?

A. Incineration

B. Composting

C. Recycling

D. Landfilling

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4

Which of the following is a primary air pollutant?

A. Ground-level Ozone

B. Carbon Monoxide

C. Sulfur Dioxide

D. All of the above

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4

What is the term for the practice of intentionally releasing a species into a new habitat where it is not native?

A. Biological Control

B. Habitat Restoration

C. Invasive Species

D. Species Introduction

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4

What is the term for the layer of the Earth's atmosphere that contains the ozone layer?

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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4

Which of the following is a renewable source of freshwater?

A. Glacial Ice

B. Saltwater

C. Groundwater

D. Seawater

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4

Which gas is released during the process of photosynthesis?

A. Oxygen

B. Carbon Dioxide

C. Methane

D. Nitrous Oxide

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4

What is the term for the layer of the atmosphere where weather events occur and most of Earth's weather phenomena take place?

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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4

Which of the following is an example of point source pollution?

A. Agricultural Runoff

B. Oil Spill from a Ship

C. Atmospheric Deposition

D. Groundwater Contamination

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4

What is the term for the process by which soil particles are carried away by wind or water?

A. Leaching

B. Erosion

C. Evaporation

D. Condensation

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4

Which layer of the Earth's atmosphere contains the ozone layer?

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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4

Which of the following is a method of conserving water in agriculture that involves watering plants at their roots rather than spraying them from above?

A. Drip Irrigation

B. Flood Irrigation

C. Center Pivot Irrigation

D. Furrow Irrigation

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4

Which of the following is a measure of the total amount of greenhouse gases emitted by a particular activity or entity?

A. Carbon Footprint

B. Eutrophication

C. Acidification

D. Deforestation

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4

Which of the following is a primary greenhouse gas emitted from the use of fossil fuels in transportation and industry?

A. Methane

B. Carbon Dioxide

C. Nitrous Oxide

D. Water Vapor

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4

What is the term for the process by which a body of water becomes nutrient-rich and supports excessive plant growth?

A. Eutrophication

B. Acidification

C. Salinization

D. Leaching

What is the correct answer?

4

Which of the following is a renewable source of energy?

A. Coal

B. Natural Gas

C. Solar Power

D. Nuclear Energy

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4

Which of the following is a method of conserving water in agriculture that involves capturing and storing rainwater for later use?

A. Irrigation

B. Desalination

C. Rainwater Harvesting

D. Drip Irrigation