Podcast
Questions and Answers
What is a direct consequence of converting grasslands into irrigated farmlands?
What is a direct consequence of converting grasslands into irrigated farmlands?
- Increase in soil salinity (correct)
- Higher capacity for wildlife habitat
- Improvement in biodiversity
- Enhanced grassland regeneration
Which of the following practices negatively affects grassland ecosystems?
Which of the following practices negatively affects grassland ecosystems?
- Overgrazing by domestic animals (correct)
- Planting grass species
- Lighting fires during the winter
- Controlled grazing
Why is it essential to protect less disturbed grassland patches?
Why is it essential to protect less disturbed grassland patches?
- They can easily be converted into industrial areas.
- They offer recreational opportunities only.
- They retain unique plants and animals. (correct)
- They are more productive for agriculture.
What happens to grasslands when they are frequently burned and overgrazed?
What happens to grasslands when they are frequently burned and overgrazed?
Which human activity poses a serious threat to grassland ecosystems?
Which human activity poses a serious threat to grassland ecosystems?
What are the three levels of biological diversity?
What are the three levels of biological diversity?
Which of the following is considered a major threat to biodiversity?
Which of the following is considered a major threat to biodiversity?
What is the main focus of in-situ conservation methods?
What is the main focus of in-situ conservation methods?
Which appropriation relation has been adopted for pollution control under Indian law?
Which appropriation relation has been adopted for pollution control under Indian law?
India is known as a mega-biodiversity nation primarily due to its:
India is known as a mega-biodiversity nation primarily due to its:
Which of the following is a type of environmental pollution?
Which of the following is a type of environmental pollution?
What did the Chipko movement primarily focus on?
What did the Chipko movement primarily focus on?
What is a characteristic feature of a forest ecosystem?
What is a characteristic feature of a forest ecosystem?
Which of the following ecosystems can be considered a modified ecosystem?
Which of the following ecosystems can be considered a modified ecosystem?
What aspect of ecosystems do biogeochemical cycles and energy transfer mechanisms primarily describe?
What aspect of ecosystems do biogeochemical cycles and energy transfer mechanisms primarily describe?
Which type of species is often most abundant in an ecosystem?
Which type of species is often most abundant in an ecosystem?
What is essential for the maintenance of human life and civilization according to the ecosystem's role?
What is essential for the maintenance of human life and civilization according to the ecosystem's role?
What defines the composition of an ecosystem's biotic components?
What defines the composition of an ecosystem's biotic components?
Which statement best describes a food chain within an ecosystem?
Which statement best describes a food chain within an ecosystem?
What are abiotic components of an ecosystem?
What are abiotic components of an ecosystem?
What can be inferred about the interaction between biotic and abiotic components in an ecosystem?
What can be inferred about the interaction between biotic and abiotic components in an ecosystem?
What distinguishes a forest ecosystem from others?
What distinguishes a forest ecosystem from others?
Which factor does NOT influence the type of forest in a region?
Which factor does NOT influence the type of forest in a region?
Which of the following correctly identifies a type of forest in India?
Which of the following correctly identifies a type of forest in India?
What is the main characteristic of coniferous forests?
What is the main characteristic of coniferous forests?
Which of the following areas is known for its evergreen forests?
Which of the following areas is known for its evergreen forests?
Which trees are typically found in arid areas?
Which trees are typically found in arid areas?
The presence of which animal is characteristic of the Himalayan region?
The presence of which animal is characteristic of the Himalayan region?
Which statement about broadleaved forests is true?
Which statement about broadleaved forests is true?
Which classification does NOT apply to the forests of India?
Which classification does NOT apply to the forests of India?
In which region do mangrove trees primarily grow?
In which region do mangrove trees primarily grow?
What does a food chain illustrate?
What does a food chain illustrate?
Which of the following describes a food web?
Which of the following describes a food web?
In a marine environment, which organism serves as the primary producer?
In a marine environment, which organism serves as the primary producer?
What is the initial stage of ecological succession following a disturbance?
What is the initial stage of ecological succession following a disturbance?
Which factor can influence ecological succession?
Which factor can influence ecological succession?
Which of the following best describes a climax stage in succession?
Which of the following best describes a climax stage in succession?
What is the main difference between natural vegetation and planted trees?
What is the main difference between natural vegetation and planted trees?
During succession in a pond ecosystem, what happens after the aquatic stage?
During succession in a pond ecosystem, what happens after the aquatic stage?
What characterizes the seral stages in an ecosystem?
What characterizes the seral stages in an ecosystem?
What is the consequence of forest clearing on ecological succession?
What is the consequence of forest clearing on ecological succession?
Flashcards
Biodiversity
Biodiversity
The variety of life on Earth at different levels, including genetic diversity within species, diversity of species, and diversity of ecosystems.
Biodiversity Hotspot
Biodiversity Hotspot
Areas with a high concentration of endemic species (unique to a specific region) that are threatened by human activities.
In situ conservation
In situ conservation
The practice of protecting biodiversity in its natural environment, like national parks or wildlife sanctuaries.
Ex situ conservation
Ex situ conservation
Signup and view all the flashcards
Ecosystem Services
Ecosystem Services
Signup and view all the flashcards
Climate Change
Climate Change
Signup and view all the flashcards
Wildlife Protection Act
Wildlife Protection Act
Signup and view all the flashcards
Ecosystem
Ecosystem
Signup and view all the flashcards
Natural Ecosystems
Natural Ecosystems
Signup and view all the flashcards
Man-Modified Ecosystems
Man-Modified Ecosystems
Signup and view all the flashcards
Ecosystem Structure
Ecosystem Structure
Signup and view all the flashcards
Ecosystem Composition
Ecosystem Composition
Signup and view all the flashcards
Ecosystem Function
Ecosystem Function
Signup and view all the flashcards
Energy Flow
Energy Flow
Signup and view all the flashcards
Biogeochemical Cycles
Biogeochemical Cycles
Signup and view all the flashcards
Food Chain
Food Chain
Signup and view all the flashcards
What is a food chain?
What is a food chain?
Signup and view all the flashcards
What is a food web?
What is a food web?
Signup and view all the flashcards
What is ecological succession?
What is ecological succession?
Signup and view all the flashcards
What is the pioneer stage?
What is the pioneer stage?
Signup and view all the flashcards
What is the climax stage?
What is the climax stage?
Signup and view all the flashcards
What is an ecosystem?
What is an ecosystem?
Signup and view all the flashcards
What are phytoplankton?
What are phytoplankton?
Signup and view all the flashcards
What is a forest ecosystem?
What is a forest ecosystem?
Signup and view all the flashcards
How does succession occur in a forest?
How does succession occur in a forest?
Signup and view all the flashcards
How are forests defined?
How are forests defined?
Signup and view all the flashcards
Grassland Conversion
Grassland Conversion
Signup and view all the flashcards
Overgrazing
Overgrazing
Signup and view all the flashcards
Frequent Fires in Grasslands
Frequent Fires in Grasslands
Signup and view all the flashcards
Sensitivity of Desert Ecosystems
Sensitivity of Desert Ecosystems
Signup and view all the flashcards
Grassland Industrialization
Grassland Industrialization
Signup and view all the flashcards
What are abiotic factors in a forest ecosystem?
What are abiotic factors in a forest ecosystem?
Signup and view all the flashcards
What are biotic factors in a forest ecosystem?
What are biotic factors in a forest ecosystem?
Signup and view all the flashcards
How does climate influence forest types?
How does climate influence forest types?
Signup and view all the flashcards
How does soil affect forest ecosystems?
How does soil affect forest ecosystems?
Signup and view all the flashcards
What are coniferous forests?
What are coniferous forests?
Signup and view all the flashcards
What are broadleaved forests?
What are broadleaved forests?
Signup and view all the flashcards
What are evergreen forests?
What are evergreen forests?
Signup and view all the flashcards
What are deciduous forests?
What are deciduous forests?
Signup and view all the flashcards
What are mangrove forests?
What are mangrove forests?
Signup and view all the flashcards
Study Notes
B.Com (Honours) BCH 101 - Environmental Science 1st Semester
- Course is offered by Arunodaya University, School of Arts, Humanities and Social Science.
- Syllabus includes eight units.
- Unit 1 covers introduction to environmental studies
- Unit 2 covers ecosystems (forest, grassland, desert, aquatic)
- Unit 3 is about natural resources (renewable and non-renewable)
- Unit 4 covers biodiversity and conservation
- Unit 5 deals with environmental pollution
- Unit 6 covers environmental policies and practices
- Unit 7 covers human communities and the environment
- Unit 8 is about fieldwork
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.