Mangroves: An Introduction

Description: Mangroves: An Introduction
Number of Questions: 15
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Tags: mangroves wetlands indian environment coastal ecosystems
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What is the primary function of mangroves in coastal ecosystems?

  1. Providing habitat for marine life

  2. Preventing soil erosion

  3. Filtering pollutants from water

  4. All of the above


Correct Option: D
Explanation:

Mangroves play a crucial role in coastal ecosystems by providing habitat for marine life, preventing soil erosion, and filtering pollutants from water.

Which of the following is NOT a characteristic of mangrove trees?

  1. They have specialized roots that help them tolerate salty water

  2. They have broad, leathery leaves that help them conserve water

  3. They produce flowers and fruits that are adapted to dispersal by water

  4. They are found in tropical and subtropical regions


Correct Option: D
Explanation:

Mangroves are found in tropical and subtropical regions, but they are not found in temperate or polar regions.

What is the term used to describe the dense network of roots that mangrove trees produce?

  1. Pneumatophores

  2. Prop roots

  3. Rhizophores

  4. All of the above


Correct Option: D
Explanation:

Mangrove trees produce pneumatophores, prop roots, and rhizophores, which are all specialized roots that help them adapt to their unique environment.

Which of the following is NOT a type of mangrove tree?

  1. Red mangrove

  2. Black mangrove

  3. White mangrove

  4. Oak tree


Correct Option: D
Explanation:

Red mangrove, black mangrove, and white mangrove are all types of mangrove trees, while oak tree is not.

What is the primary reason why mangroves are important for coastal communities?

  1. They provide a source of food and income

  2. They protect coastal communities from storms and erosion

  3. They help to maintain water quality

  4. All of the above


Correct Option: D
Explanation:

Mangroves provide a source of food and income, protect coastal communities from storms and erosion, and help to maintain water quality.

Which of the following is NOT a threat to mangrove forests?

  1. Deforestation for development

  2. Pollution from industrial and agricultural activities

  3. Climate change and sea level rise

  4. Natural disasters, such as hurricanes and tsunamis


Correct Option: D
Explanation:

Deforestation, pollution, and climate change are all threats to mangrove forests, while natural disasters are not.

What is the term used to describe the process of planting mangrove trees in areas where they have been lost or degraded?

  1. Reforestation

  2. Afforestation

  3. Restoration

  4. Conservation


Correct Option: A
Explanation:

Reforestation is the term used to describe the process of planting mangrove trees in areas where they have been lost or degraded.

Which of the following countries has the largest area of mangrove forests?

  1. Indonesia

  2. Brazil

  3. India

  4. Nigeria


Correct Option: A
Explanation:

Indonesia has the largest area of mangrove forests in the world, followed by Brazil, India, and Nigeria.

What is the estimated global area of mangrove forests?

  1. 150,000 square kilometers

  2. 250,000 square kilometers

  3. 350,000 square kilometers

  4. 450,000 square kilometers


Correct Option: A
Explanation:

The estimated global area of mangrove forests is 150,000 square kilometers.

Which of the following is NOT a benefit of mangrove forests?

  1. They provide habitat for a variety of marine life

  2. They help to protect coastal communities from storms and erosion

  3. They help to filter pollutants from water

  4. They contribute to climate change


Correct Option: D
Explanation:

Mangrove forests provide a variety of benefits, but they do not contribute to climate change.

What is the term used to describe the unique ecosystem that exists between mangrove forests and coral reefs?

  1. Mangrove-coral reef complex

  2. Mangrove-coral reef ecosystem

  3. Mangrove-coral reef association

  4. All of the above


Correct Option: D
Explanation:

The term mangrove-coral reef complex, mangrove-coral reef ecosystem, and mangrove-coral reef association are all used to describe the unique ecosystem that exists between mangrove forests and coral reefs.

Which of the following is NOT a species that is commonly found in mangrove forests?

  1. Crabs

  2. Fish

  3. Birds

  4. Lions


Correct Option: D
Explanation:

Crabs, fish, and birds are commonly found in mangrove forests, while lions are not.

What is the primary reason why mangrove forests are important for biodiversity?

  1. They provide habitat for a variety of marine life

  2. They help to protect coastal communities from storms and erosion

  3. They help to filter pollutants from water

  4. All of the above


Correct Option: D
Explanation:

Mangrove forests provide habitat for a variety of marine life, help to protect coastal communities from storms and erosion, and help to filter pollutants from water, all of which contribute to biodiversity.

Which of the following is NOT a type of mangrove forest?

  1. Fringe mangrove forest

  2. Basin mangrove forest

  3. Overwash mangrove forest

  4. Temperate mangrove forest


Correct Option: D
Explanation:

Fringe mangrove forest, basin mangrove forest, and overwash mangrove forest are all types of mangrove forests, while temperate mangrove forest is not.

What is the term used to describe the process of converting mangrove forests to other uses, such as agriculture or development?

  1. Deforestation

  2. Conversion

  3. Destruction

  4. All of the above


Correct Option: D
Explanation:

Deforestation, conversion, and destruction are all terms used to describe the process of converting mangrove forests to other uses.

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