1Which term describes the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems?
A.Biome
B.Biodiversity
C.Biosphere
D.Biomass
Correct Answer: Biodiversity
Explanation:
Biodiversity refers to the variety and variability of life on Earth, encompassing genetic, species, and ecosystem diversity.
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2Variation of genes within a species is known as:
A.Community diversity
B.Species diversity
C.Ecosystem diversity
D.Genetic diversity
Correct Answer: Genetic diversity
Explanation:
Genetic diversity refers to the range of different inherited traits within a species.
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3Which of the following represents the richness of species in a given area?
A.Landscape diversity
B.Species diversity
C.Ecosystem diversity
D.Genetic diversity
Correct Answer: Species diversity
Explanation:
Species diversity is defined as the number of different species that are represented in a given community.
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4What type of diversity refers to the variety of habitats, biotic communities, and ecological processes in the biosphere?
A.Molecular diversity
B.Genetic diversity
C.Species diversity
D.Ecosystem diversity
Correct Answer: Ecosystem diversity
Explanation:
Ecosystem diversity deals with the variations in ecosystems within a geographical location and its overall impact on human existence and the environment.
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5Which of the following is an example of an 'Ecosystem Service' provided by biodiversity?
A.Gold mining
B.Pollination of crops
C.Concrete manufacturing
D.Plastic production
Correct Answer: Pollination of crops
Explanation:
Pollination is a critical regulating service provided by ecosystems that is essential for food production.
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6The ethical or philosophical belief that every species has a right to exist falls under which value of biodiversity?
A.Economic value
B.Ethical/Existence value
C.Option value
D.Aesthetic value
Correct Answer: Ethical/Existence value
Explanation:
This value suggests that all life forms have an intrinsic right to exist, regardless of their utility to humans.
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7Tourism based on the enjoyment of nature and wildlife represents which value of biodiversity?
A.Consumptive use value
B.Aesthetic value
C.Option value
D.Productive use value
Correct Answer: Aesthetic value
Explanation:
Aesthetic value relates to the appreciation of the beauty of nature, which drives eco-tourism.
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8Deriving drugs and medicines like Quinine (from Cinchona tree) is an example of which value of biodiversity?
A.Aesthetic value
B.Productive use value
C.Social value
D.Ethical value
Correct Answer: Productive use value
Explanation:
Productive use value refers to products that are commercially harvested for exchange in markets, such as pharmaceuticals.
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9Who introduced the concept of 'Biodiversity Hotspots'?
A.Charles Darwin
B.E.O. Wilson
C.Norman Myers
D.Rachel Carson
Correct Answer: Norman Myers
Explanation:
Norman Myers coined the term 'biodiversity hotspot' in 1988 to identify regions with high species endemism and high threat levels.
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10Which of the following is a primary criterion for a region to qualify as a biodiversity hotspot?
A.Low human population
B.Presence of large mammals
C.Large geographical area
D.High level of endemism
Correct Answer: High level of endemism
Explanation:
A hotspot must contain at least 1,500 species of vascular plants as endemics (species found nowhere else).
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11How many Biodiversity Hotspots are generally recognized in India (including shared regions)?
A.2
B.4
C.1
D.10
Correct Answer: 4
Explanation:
India has 4 hotspot regions: The Himalayas, The Western Ghats, The Indo-Burma region, and Sundaland (Nicobar Islands).
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12The Western Ghats is famous for being a:
A.Desert ecosystem
B.Biodiversity Hotspot
C.Tundra region
D.Coral reef zone only
Correct Answer: Biodiversity Hotspot
Explanation:
The Western Ghats is a globally recognized biodiversity hotspot known for its high endemism and biological richness.
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13What is the single largest threat to biodiversity globally?
A.Earthquakes
B.Habitat loss and fragmentation
C.Disease
D.Pollution
Correct Answer: Habitat loss and fragmentation
Explanation:
Habitat loss, driven by human activities like agriculture and urbanization, is the primary cause of species extinction.
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14The illegal killing or capturing of wild animals is known as:
A.Poaching
B.Culling
C.Conservation
D.Harvesting
Correct Answer: Poaching
Explanation:
Poaching refers to the illegal hunting or capturing of wild animals, often for trade in animal parts.
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15Which of the following is an example of a biological invasion in India?
A.Neem tree
B.Water Hyacinth (Eichhornia)
C.Peepal tree
D.Banyan tree
Correct Answer: Water Hyacinth (Eichhornia)
Explanation:
Water Hyacinth is an invasive alien species that clogs waterways and disrupts native aquatic ecosystems in India.
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16Human-wildlife conflict often arises due to:
A.Encroachment of wildlife habitats
B.Strict wildlife laws
C.Decrease in human population
D.Increase in forest cover
Correct Answer: Encroachment of wildlife habitats
Explanation:
As humans expand into forest areas for agriculture and settlement, conflicts with wildlife over space and resources increase.
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17The IUCN Red List is a catalogue of:
A.Threatened species
B.National Parks
C.Medicinal plants
D.Biodiversity hotspots
Correct Answer: Threatened species
Explanation:
The IUCN Red List of Threatened Species assesses the conservation status of species worldwide.
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18A species that no longer exists anywhere on Earth is classified as:
A.Extinct
B.Endangered
C.Rare
D.Vulnerable
Correct Answer: Extinct
Explanation:
Extinct means there are no surviving individuals of the species left in the wild or captivity.
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19The Dodo bird is an example of a(n) _____ species.
A.Endangered
B.Rare
C.Vulnerable
D.Extinct
Correct Answer: Extinct
Explanation:
The Dodo is a famous example of a bird species that went extinct due to human activity.
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20Which category represents species facing a 'very high risk' of extinction in the wild in the near future?
A.Least Concern
B.Endangered
C.Near Threatened
D.Vulnerable
Correct Answer: Endangered
Explanation:
According to IUCN criteria, Endangered species face a very high risk of extinction in the wild.
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21Species with a small population that are not currently endangered but are at risk are often termed:
A.Extinct species
B.Dominant species
C.Invasive species
D.Rare species
Correct Answer: Rare species
Explanation:
Rare species have small populations and are often restricted to specific areas, making them susceptible to becoming endangered.
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22What does the acronym EDGE stand for in conservation biology?
A.Ecologically Diverse and Globally Endangered
B.Endemic Diverse and Globally Extinct
C.Environmentally Distinct and Genetically Endangered
D.Evolutionarily Distinct and Globally Endangered
Correct Answer: Evolutionarily Distinct and Globally Endangered
Explanation:
EDGE species have few close relatives on the tree of life and are highly threatened.
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23Which of the following is an example of In-situ conservation?
A.National Park
B.Gene Bank
C.Zoological Garden
D.Botanical Garden
Correct Answer: National Park
Explanation:
In-situ conservation involves protecting species within their natural habitats, such as in National Parks.
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24Conservation of biodiversity outside the natural habitat is called:
A.Natural conservation
B.Ex-situ conservation
C.On-site conservation
D.In-situ conservation
Correct Answer: Ex-situ conservation
Explanation:
Ex-situ conservation involves maintaining species outside their natural environments, such as in zoos or seed banks.
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25Which of the following is an example of Ex-situ conservation?
A.Biosphere Reserve
B.Sacred Grove
C.Wildlife Sanctuary
D.Seed Bank
Correct Answer: Seed Bank
Explanation:
Seed banks preserve genetic material away from the natural environment, making it an ex-situ method.
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26Cryopreservation uses liquid nitrogen to preserve germplasm at a temperature of:
A.-196°C
B.-100°C
C.-50°C
D.0°C
Correct Answer: -196°C
Explanation:
Cryopreservation typically involves storage in liquid nitrogen at -196°C to halt metabolic processes.
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27How many Biogeographic zones is India divided into?
A.15
B.5
C.10
D.8
Correct Answer: 10
Explanation:
The Wildlife Institute of India classifies the country into 10 major biogeographic zones.
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28Which Biogeographic zone covers the largest area in India?
A.The Himalayas
B.The Deccan Peninsula
C.The Islands
D.The Desert
Correct Answer: The Deccan Peninsula
Explanation:
The Deccan Peninsula is the largest biogeographic zone, covering a significant portion of central and southern India.
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29India is considered a 'Mega Diversity Nation' because:
A.It possesses a high percentage of global biodiversity and endemism
B.It has a large human population
C.It has the largest desert
D.It has high industrial growth
Correct Answer: It possesses a high percentage of global biodiversity and endemism
Explanation:
Mega diversity nations are a group of countries that harbor the majority of Earth's species and high numbers of endemic species.
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30Species found only in a particular region and nowhere else are called:
A.Pandemic species
B.Endemic species
C.Cosmopolitan species
D.Exotic species
Correct Answer: Endemic species
Explanation:
Endemism refers to species that are unique to a specific geographic location.
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31The 'Red Data Book' is published by which organization?
A.UNEP
B.IUCN
C.WWF
D.UNESCO
Correct Answer: IUCN
Explanation:
The International Union for Conservation of Nature (IUCN) publishes the Red Data Book containing the status of threatened species.
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32The fragmentation of large forests into smaller patches primarily affects:
A.Aquatic life
B.Species requiring large territories
C.Micro-organisms only
D.Invasive species
Correct Answer: Species requiring large territories
Explanation:
Large mammals (like tigers or elephants) need vast areas to roam; fragmentation restricts their movement and breeding.
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33Which of the following is a 'Vulnerable' species in India?
A.Blue Rock Pigeon
B.Domestic Dog
C.One-horned Rhinoceros
D.House Crow
Correct Answer: One-horned Rhinoceros
Explanation:
While conservation efforts have helped, the One-horned Rhinoceros is listed as Vulnerable on the IUCN Red List.
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34Lantana camara is known as a:
A.Medicinal herb
B.Keystone species
C.Invasive weed
D.Endangered shrub
Correct Answer: Invasive weed
Explanation:
Lantana camara is a notorious invasive weed that suppresses the growth of native vegetation in Indian forests.
Sacred Groves are patches of forest protected by local communities due to religious beliefs, preserving biodiversity in situ.
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36Which of these is NOT a level of biological diversity?
A.Species diversity
B.Industrial diversity
C.Ecosystem diversity
D.Genetic diversity
Correct Answer: Industrial diversity
Explanation:
Biodiversity consists of genetic, species, and ecosystem diversity. Industrial diversity is not a biological term.
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37The Project Tiger was launched in India in the year:
A.2000
B.1980
C.1973
D.1992
Correct Answer: 1973
Explanation:
Project Tiger was launched in 1973 to ensure the survival and maintenance of the tiger population in India.
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38Informational value of biodiversity refers to:
A.Tourism revenue
B.Wood for timber
C.Religious beliefs
D.Genetic data for future engineering
Correct Answer: Genetic data for future engineering
Explanation:
Informational value relates to the knowledge derived from biodiversity, such as genetic codes used for biotechnology.
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39Which biogeographic zone of India includes the Thar Desert?
A.The Desert Zone
B.The Gangetic Plain
C.The Deccan Peninsula
D.The Semi-Arid Zone
Correct Answer: The Desert Zone
Explanation:
The Desert zone (Trans-Himalayan and Indian Desert) includes the Thar Desert in Rajasthan.
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40Alpha diversity refers to diversity:
A.Over a total geographical landscape
B.Between communities
C.Global diversity
D.Within a particular community or ecosystem
Correct Answer: Within a particular community or ecosystem
Explanation:
Alpha diversity measures the species richness within a single, specific area or community.
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41Which act was enacted in India to conserve biological diversity and provide a mechanism for equitable sharing of benefits?
A.Forest Rights Act
B.Environment Protection Act, 1986
C.Biological Diversity Act, 2002
D.Wildlife Protection Act, 1972
Correct Answer: Biological Diversity Act, 2002
Explanation:
The Biological Diversity Act of 2002 was enacted to meet the obligations under the Convention on Biological Diversity (CBD).
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42What is the primary difference between a National Park and a Wildlife Sanctuary in India?
A.Sanctuaries are only for plants
B.National Parks are Ex-situ
C.Human activities are strictly restricted in National Parks
D.Tourism is banned in Sanctuaries
Correct Answer: Human activities are strictly restricted in National Parks
Explanation:
National Parks have stricter regulations regarding human activity and grazing compared to Wildlife Sanctuaries.
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43The 'Pink-headed Duck' is a species that is:
A.Endangered
B.Vulnerable
C.Invasive
D.Presumed Extinct
Correct Answer: Presumed Extinct
Explanation:
The Pink-headed Duck has not been reliably sighted for decades and is feared to be extinct in India.
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44Which of the following is a characteristic of a 'Keystone Species'?
A.It is an invasive species
B.It is the most abundant species
C.It is always a carnivore
D.Its removal causes a collapse of the ecosystem
Correct Answer: Its removal causes a collapse of the ecosystem
Explanation:
Keystone species have a disproportionately large effect on their environment relative to their abundance; their removal drastically changes the ecosystem.
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45Which of the following represents 'Consumptive Use Value'?
A.Ecotourism
B.Using snake venom for research
C.Gathering firewood for personal cooking
D.Selling timber in the market
Correct Answer: Gathering firewood for personal cooking
Explanation:
Consumptive use value refers to natural products harvested by local people for their own direct consumption, not for sale.
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46Which zone lies between the Trans-Himalayas and the Gangetic Plains?
A.The Coasts
B.The Islands
C.The North-East
D.The Himalayas
Correct Answer: The Himalayas
Explanation:
The Himalayan biogeographic zone acts as the major mountain barrier and transition zone.
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47Beta diversity is a comparison of diversity:
A.Globally
B.Genetically
C.Between ecosystem types
D.Within a single habitat
Correct Answer: Between ecosystem types
Explanation:
Beta diversity measures the change in species composition between two different ecosystems or along a gradient.
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48The 'Pangolin' is often poached for its:
A.Horns
B.Teeth
C.Tusks
D.Scales
Correct Answer: Scales
Explanation:
Pangolins are the most trafficked mammals in the world, primarily poached for their scales used in traditional medicine.
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49Parthenium hysterophorus (Carrot Grass) causes a threat to biodiversity by:
A.Increasing soil fertility
B.Outcompeting native plants and causing allergies
C.Providing too much oxygen
D.Eating insects
Correct Answer: Outcompeting native plants and causing allergies
Explanation:
Parthenium is an invasive species that grows aggressively, replacing native plants and causing health issues in humans/animals.
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50The aesthetic value of biodiversity is most closely linked to:
A.Agriculture
B.Mining
C.Ecotourism
D.Pharmaceuticals
Correct Answer: Ecotourism
Explanation:
Aesthetic value relies on the sensory enjoyment of nature, which is the foundation of the ecotourism industry.