1.

    The term ‘homeostasis’ in an ecosystem refers to

    A

    Feedback mechanism

    B

    Self regulatory mechanism

    C

    Influence of production

    D

    State of equilibrium

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :homeostasis, ecosystem, equilibrium

    Related Questions

    1.

    The sequence of communities showing a gradual change in composition is called

    A

    Sere

    B

    Biome

    C

    Ecosystem

    D

    Population

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ecological succession, community ecology

    2.

    Mr. X is eating curd/yoghurt. For this food intake in a food chain, he should be considered as occupying

    A

    Primary consumer

    B

    Secondary consumer

    C

    Tertiary consumer

    D

    Producer

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :trophic levels, food chain, consumer

    3.

    Which ecosystem has the highest gross primary productivity

    A

    Rainforests

    B

    Coral reefs

    C

    Mangroves

    D

    Grass lands

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Gross Primary Productivity, Ecosystems, Photosynthesis

    4.

    Which pair of factors has the MOST significant influence on the decomposition rate in a terrestrial ecosystem?

    A

    Sunlight and wind speed

    B

    Soil pH and mineral content

    C

    Temperature and moisture

    D

    Latitude and altitude

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Decomposition, Abiotic Factors, Nutrient Cycling

    5.

    A community that starts the process of succession in a barren habitat is called

    A

    Emotional community

    B

    Climax community

    C

    Seral community

    D

    Pioneer community

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ecological succession, pioneer species

    6.

    Anthropogenic ecosystem possesses all of the given characteristics, except

    A

    Have little diversity

    B

    Self regulatory mechanism

    C

    Simple food chain

    D

    Little cycling of nutrients

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Anthropogenic ecosystem, biodiversity, self-regulation, food chain, nutrient cycling

    7.

    Which of the following is the ultimate source of energy in an ecosystem

    A

    Sunlight

    B

    Producers

    C

    Consumers

    D

    Decomposes

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecosystems, Energy Flow, Food Chains

    8.

    The major functions of an ecosystem includes

    I. productivity II. Decomposition

    III. energy flow IV. Nutrient flow

    Choose the correct option

    A

    I, II and III

    B

    II, III and IV

    C

    I, III and IV

    D

    I, II, III and IV

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecosystem functions, Productivity, Decomposition, Energy flow, Nutrient flow

    9.

    Extinction of a species in a food chain is compensated by

    A

    Food chain

    B

    Ecological pyramid

    C

    Food web

    D

    None of these

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Food chain, Food web, Ecological relationships, Ecosystem stability

    10.

    Ecology is the branch of biology which deals with interaction between

    A

    Organisms and their environment

    B

    Organisms only

    C

    Human and other organisms

    D

    Human and their environment

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Ecology and Environment
    🎯Topic:Eco System-Structure And Function
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecology, Biological Interactions, Environment

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