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Current Affairs January 2024

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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)

Correct Answer :

A. Methane


Related Questions

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Which of the following is a major component of the Earth's lithosphere?

A. Water

B. Soil

C. Rock

D. Air

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What is the main cause of soil erosion?

A. Deforestation

B. Agricultural Practices

C. Urbanization

D. All of the above

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What is the main source of energy for photosynthesis?

A. Sunlight

B. Carbon Dioxide

C. Water

D. Oxygen

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What is the term for the process by which bacteria convert ammonia into nitrates and nitrites in the nitrogen cycle?

A. Denitrification

B. Nitrification

C. Ammonification

D. Nitrogen Fixation

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Which gas is released during the process of photosynthesis?

A. Oxygen

B. Carbon Dioxide

C. Methane

D. Nitrous Oxide

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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

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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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Which of the following is a component of the Earth's hydrosphere?

A. Soil

B. Air

C. Water

D. Rock

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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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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 loss of a species from a particular habitat or from the entire planet?

A. Extinction

B. Endangerment

C. Overpopulation

D. Speciation

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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 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 gas is primarily responsible for global warming?

A. Oxygen

B. Carbon Dioxide

C. Nitrogen

D. Methane

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What is the term for the process of removing salt and other minerals from seawater to make it suitable for drinking and irrigation?

A. Desalination

B. Filtration

C. Distillation

D. Purification

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

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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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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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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Which of the following is a greenhouse gas that is released from livestock digestion and manure management?

A. Methane

B. Carbon Dioxide

C. Nitrous Oxide

D. Ozone

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Which of the following is a characteristic of a sustainable ecosystem?

A. High biodiversity

B. Rapid resource depletion

C. Heavy pollution

D. Disruption of natural cycles

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Which of the following is a major component of the Earth's biosphere?

A. Water

B. Soil

C. Air

D. Living Organisms

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

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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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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What is the primary source of energy for the water cycle?

A. Wind

B. Sunlight

C. Geothermal Heat

D. Tidal Energy

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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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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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What is the term for the layer of the atmosphere where the International Space Station orbits?

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere