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Current Affairs January 2024

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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

Correct Answer :

A. Desalination


Related Questions

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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 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 biodegradable waste material?

A. Plastic Bottles

B. Glass Containers

C. Fruit Peels

D. Aluminum Cans

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

A. Troposphere

B. Stratosphere

C. Mesosphere

D. Thermosphere

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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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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 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 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 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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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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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 an example of a biotic factor in an ecosystem?

A. Temperature

B. Soil pH

C. Predation

D. Rainfall

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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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4

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

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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4

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

A. Evaporation

B. Transpiration

C. Condensation

D. Precipitation

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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

Which of the following is a renewable source of freshwater?

A. Glacial Ice

B. Saltwater

C. Groundwater

D. Seawater

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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 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 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

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 component of the Earth's hydrosphere?

A. Soil

B. Air

C. Water

D. Rock

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4

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