QUESTION 1 OF 26
Eutrophication, a process leading to oxygen depletion in water bodies, is primarily caused by excess:
Explanation: Eutrophication is caused by excess nutrients, especially nitrogen and phosphorus, entering water bodies and depleting oxygen.
QUESTION 2 OF 26
Biosphere Reserves in India are designated to conserve:
Explanation: Biosphere Reserves conserve representative ecosystems through a system of core, buffer, and transition zones.
QUESTION 3 OF 26
The first Biosphere Reserve established in India was the:
Explanation: The Nilgiri Biosphere Reserve was the first Biosphere Reserve established in India.
QUESTION 4 OF 26
How many Biosphere Reserves does India currently have (approximately, as recognized nationally)?
Explanation: India currently has around 18 Biosphere Reserves recognized nationally.
QUESTION 5 OF 26
The term "Biomagnification" refers to the increasing concentration of toxins as they move:
Explanation: Biomagnification refers to toxins becoming more concentrated as they move up successive levels of the food chain.
QUESTION 6 OF 26
DDT, a notorious pesticide associated with biomagnification, was famously highlighted as an environmental hazard in which book?
Explanation: DDT's harmful biomagnification effects were famously exposed in Rachel Carson's book Silent Spring.
QUESTION 7 OF 26
The term "Endemic species" refers to species that are:
Explanation: An endemic species is one found naturally only within a specific, restricted geographic region.
QUESTION 8 OF 26
An "Invasive species" is one that:
Explanation: An invasive species is a non-native organism introduced to a new environment that causes ecological or economic harm.
QUESTION 9 OF 26
The Sundarbans mangrove ecosystem is particularly vulnerable to which climate change impact?
Explanation: The Sundarbans mangrove ecosystem is especially vulnerable to sea level rise and increasing salinity.
QUESTION 10 OF 26
The term "Ecosystem Services" refers to benefits that humans obtain from:
Explanation: Ecosystem services are the benefits humans derive from natural ecosystems, such as pollination and water purification.
QUESTION 11 OF 26
Which type of ecosystem service refers to direct products obtained from ecosystems, such as food and timber?
Explanation: Provisioning services refer to direct products obtained from ecosystems, like food and timber.
QUESTION 12 OF 26
Regulating ecosystem services include processes such as:
Explanation: Regulating ecosystem services include processes such as climate regulation and water purification.
QUESTION 13 OF 26
The concept of "Ecological Footprint" measures human demand on nature compared to:
Explanation: Ecological footprint measures human demand on nature relative to Earth's capacity to regenerate resources.
QUESTION 14 OF 26
The concept of "Ecological Succession" refers to the gradual process of:
Explanation: Ecological succession is the gradual process of change in species composition within an ecosystem over time.
QUESTION 15 OF 26
Primary succession occurs in areas that have:
Explanation: Primary succession occurs in areas with no pre-existing soil or life, such as bare rock.
QUESTION 16 OF 26
Secondary succession occurs in areas where:
Explanation: Secondary succession occurs where soil and some organisms already exist after a disturbance like fire or logging.
QUESTION 17 OF 26
A "Keystone species" is one whose impact on its ecosystem is:
Explanation: A keystone species has an ecological impact disproportionately large compared to its abundance.
QUESTION 18 OF 26
The term "Biome" refers to a large naturally occurring community of:
Explanation: A biome is a large naturally occurring community of flora and fauna adapted to a specific climate region.
QUESTION 19 OF 26
Which of the following is considered a major terrestrial biome?
Explanation: Tundra is a major terrestrial biome characterized by cold temperatures and low vegetation.
QUESTION 20 OF 26
The tundra biome is characterized by:
Explanation: The tundra biome features permafrost and low-growing vegetation adapted to cold conditions.
QUESTION 21 OF 26
Mangroves, important coastal wetland ecosystems, are particularly valuable for:
Explanation: Mangroves provide valuable coastal protection and significant carbon sequestration capacity.
QUESTION 22 OF 26
Biomedical waste, requiring special disposal protocols, primarily originates from:
Explanation: Biomedical waste requiring special disposal protocols primarily originates from healthcare facilities and hospitals.
QUESTION 23 OF 26
The term "Bioaccumulation" refers to the gradual buildup of substances in an organism due to:
Explanation: Bioaccumulation occurs when a substance's absorption rate in an organism exceeds its elimination rate.
QUESTION 24 OF 26
The term "Carrying Capacity" refers to the maximum population size an environment can sustain given:
Explanation: Carrying capacity is the maximum population an environment can sustain given its available resources and conditions.
QUESTION 25 OF 26
The term 'Biosphere' refers to the zone of Earth where life exists, encompassing parts of the:
Explanation: The biosphere is the zone of Earth supporting life, spanning parts of the lithosphere, hydrosphere, and atmosphere.
QUESTION 26 OF 26
The term 'Ecological Niche' refers to the role and position a species has within its:
Explanation: An ecological niche describes the role and position a species occupies within its ecosystem, including habitat and interactions.
More Environment & Biodiversity topics
Ecology & Ecosystem Concepts26 QBiodiversity & Wildlife Conservation20 QClimate Change & Global Warming33 QPollution & Waste Management19 QInternational Conventions & Agreements16 QEnvironmental Laws & Bodies in India6 QSustainable Development, Energy & Agriculture18 QEnvironmental Movements & Awareness7 Q