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Current Affairs January 2024

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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

Correct Answer :

B. Transpiration


Related Questions

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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

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

A. Recycling

B. Incineration

C. Landfilling

D. Composting

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4

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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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

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 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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4

Which of the following is a keystone species in a marine ecosystem?

A. Sea Star

B. Clownfish

C. Algae

D. Seagull

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4

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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4

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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4

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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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 main source of energy for photosynthesis?

A. Sunlight

B. Carbon Dioxide

C. Water

D. Oxygen

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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 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 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 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

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 an example of a natural ecosystem service?

A. Water Treatment

B. Soil Erosion

C. Pollination of Plants

D. Air Pollution

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4

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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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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4

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

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4

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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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

Which of the following is an example of a point source of water pollution?

A. Agricultural Runoff

B. Oil Spill from a Tanker

C. Acid Rain

D. Urban Stormwater Runoff

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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

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

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

A. Leaching

B. Erosion

C. Evaporation

D. Condensation