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Current Affairs January 2024

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4

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

A. Photosynthesis

B. Respiration

C. Fermentation

D. Combustion

Correct Answer :

A. Photosynthesis


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 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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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 a renewable source of freshwater?

A. Glacial Ice

B. Saltwater

C. Groundwater

D. Seawater

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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 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 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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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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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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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 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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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 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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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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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

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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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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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 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 main purpose of a wetland ecosystem?

A. Water purification

B. Recreational activities

C. Industrial development

D. Waste disposal

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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 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 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 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 atmosphere where the International Space Station orbits?

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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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 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 variety of genetic traits within a population of a particular species?

A. Genetic Diversity

B. Species Diversity

C. Ecosystem Diversity

D. Habitat Diversity