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Current Affairs January 2024

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4

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

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

Correct Answer :

B. Stratosphere


Related Questions

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What is the process of converting waste materials into reusable materials called?

A. Recycling

B. Incineration

C. Landfilling

D. Composting

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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

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4

Which gas is primarily responsible for global warming?

A. Oxygen

B. Carbon Dioxide

C. Nitrogen

D. Methane

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4

Which of the following is a biodegradable waste material?

A. Plastic Bottles

B. Glass Containers

C. Fruit Peels

D. Aluminum Cans

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Which of the following is a non-renewable resource derived from the remains of ancient marine organisms?

A. Natural Gas

B. Wind Energy

C. Solar Power

D. Biomass

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Which of the following is a method of soil conservation that involves planting crops in rows along the natural contours of the land to reduce erosion?

A. Terracing

B. Contour Plowing

C. Crop Rotation

D. Cover Cropping

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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 process by which an ecosystem gradually returns to its original state after a disturbance has occurred?

A. Restoration

B. Rehabilitation

C. Regeneration

D. Succession

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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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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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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

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 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

Which of the following is a method of renewable energy production that involves harnessing the kinetic energy of ocean tides and currents?

A. Tidal Energy

B. Geothermal Energy

C. Biomass Energy

D. Hydropower

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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

What is the primary cause of the depletion of the ozone layer?

A. Carbon Emissions

B. Deforestation

C. Chlorofluorocarbons (CFCs)

D. Sulfur Dioxide

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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 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

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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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What is the term for the process by which plants convert sunlight into chemical energy?

A. Photosynthesis

B. Respiration

C. Fermentation

D. Combustion

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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 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

Which of the following is a renewable resource derived from organic materials such as plant and animal waste?

A. Geothermal Energy

B. Biomass Energy

C. Tidal Energy

D. Hydropower

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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 non-renewable resource?

A. Wind Energy

B. Natural Gas

C. Solar Power

D. Biomass

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4

What is the term for the process by which water is absorbed by plants from the soil and released into the atmosphere as water vapor?

A. Evaporation

B. Transpiration

C. Condensation

D. Precipitation

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Which of the following is an example of a natural greenhouse gas?

A. Carbon Dioxide

B. Water Vapor

C. Methane

D. Ozone

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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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Which of the following is an example of a primary consumer in an ecosystem?

A. Hawk

B. Rabbit

C. Grass

D. Snake

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Which of the following is an example of a natural ecosystem service?

A. Water Treatment

B. Soil Erosion

C. Pollination of Plants

D. Air Pollution