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Current Affairs January 2024

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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

Correct Answer :

B. Stratosphere


Related Questions

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What is the process by which plants release water vapor into the atmosphere called?

A. Evaporation

B. Transpiration

C. Condensation

D. Precipitation

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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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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 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 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 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 measure of the total ecological footprint of an individual or population?

A. Carbon Footprint

B. Ecological Footprint

C. Water Footprint

D. Environmental Impact Index

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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 of breaking down rocks into smaller particles through physical or chemical means?

A. Weathering

B. Erosion

C. Deposition

D. Sedimentation

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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

What is the main source of energy for photosynthesis?

A. Sunlight

B. Carbon Dioxide

C. Water

D. Oxygen

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

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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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)

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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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What is the term for the gradual increase in the Earth's average temperature due to human activities?

A. Greenhouse Effect

B. Global Warming

C. Ozone Depletion

D. Acid Rain

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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 term for the variety of genetic traits within a population of a particular species?

A. Genetic Diversity

B. Species Diversity

C. Ecosystem Diversity

D. Habitat Diversity

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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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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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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 process by which soil particles are carried away by wind or water?

A. Leaching

B. Erosion

C. Evaporation

D. Condensation

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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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Which of the following is a form of pollution that occurs when excess nutrients (often from agricultural runoff) cause excessive plant growth in aquatic ecosystems?

A. Eutrophication

B. Acidification

C. Desertification

D. Salinization

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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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What is the term for the variety of ecosystems in a given region or on the entire Earth?

A. Habitat Diversity

B. Biodiversity

C. Genetic Diversity

D. Species Diversity

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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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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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What is the term for the process by which water droplets combine in clouds and form larger droplets that eventually fall as precipitation?

A. Condensation

B. Evaporation

C. Precipitation

D. Transpiration