🧬 Chapter 13: Biodiversity and Conservation– Class 12 -- MCQs | NCERT + NEET Focus

Rashmi Mishra
0

 

🌸Chapter 13

Biodiversity and Conservation

(MCQs) 

Biodiversity and Conservation – 100 MCQs

1–10: Introduction & Basic Concepts

1.   Biodiversity refers to:
a) Only the variety of species in an ecosystem
b) Variety of all life forms including genes, species, and ecosystems
c) Only the genetic variation within species
d) Only plants in an ecosystem
Answer: b
Explanation: Biodiversity includes genetic diversity, species diversity, and ecosystem diversity.

2.   Who defined biodiversity as “the totality of genes, species, and ecosystems of a region”?
a) E.O. Wilson
b) Charles Darwin
c) Linnaeus
d) Alfred Wallace
Answer: a
Explanation: E.O. Wilson emphasized biodiversity at all levels, not just species.

3.   Which of the following is NOT a component of biodiversity?
a) Genetic diversity
b) Cultural diversity
c) Species diversity
d) Ecosystem diversity
Answer: b
Explanation: Cultural diversity is human-related, biodiversity relates to genes, species, and ecosystems.

4.   Species diversity includes:
a) Variation within genes
b) Number of species and their relative abundance
c) Diversity of ecosystems
d) Variation within population
Answer: b
Explanation: Species diversity = species richness + species evenness.

5.   Genetic diversity helps in:
a) Maintaining ecosystem services
b) Adaptation and evolution of species
c) Forming new ecosystems
d) Reducing species richness
Answer: b
Explanation: Genetic variation allows species to adapt to environmental changes.

6.   The variety of ecosystems in a region is known as:
a) Species diversity
b) Genetic diversity
c) Ecosystem diversity
d) Community diversity
Answer: c
Explanation: Ecosystem diversity refers to different habitats like forests, deserts, wetlands.

7.   Simpson’s Index is used to measure:
a) Genetic diversity
b) Ecosystem diversity
c) Species diversity
d) Population size
Answer: c
Explanation: Simpson’s index considers species richness and abundance.

8.   Higher Simpson’s index (D) value indicates:
a) Low diversity
b) High diversity
c) High dominance
d) Low richness
Answer: b
Explanation: D ranges 0–1; higher D → higher diversity.

9.   Which level of biodiversity is crucial for crop improvement?
a) Genetic diversity
b) Species diversity
c) Ecosystem diversity
d) Global diversity
Answer: a
Explanation: Genetic variation provides traits for breeding better crops.

10.                  Biodiversity at a local level may include:
a) Himalayan forests
b) Village pond ecosystem
c) Sundarbans mangrove
d) Amazon rainforest
Answer: b
Explanation: Local biodiversity = small-scale habitats like ponds, home gardens.


11–20: Global and Indian Biodiversity

11.                  A biodiversity hotspot must have at least ______ endemic species.
a) 500
b) 1000
c) 1500
d) 2000
Answer: c
Explanation: Hotspots criteria include ≥1500 endemic plant species.

12.                  Which of the following is a global biodiversity hotspot located in India?
a) Amazon
b) Western Ghats
c) Great Barrier Reef
d) Congo Basin
Answer: b
Explanation: India has 4 major hotspots, including Western Ghats.

13.                  Which of the following is NOT a biodiversity hotspot in India?
a) Himalaya
b) Indo-Burma
c) Sundalands
d) Sahara Desert
Answer: d
Explanation: Sahara is in Africa, not India.

14.                  Which Indian hotspot includes the Nicobar Islands?
a) Indo-Burma
b) Himalaya
c) Sundalands
d) Indo-Malayan
Answer: c
Explanation: Sundalands cover Nicobar Islands.

15.                  India is rich in biodiversity because of:
a) Varied climate and topography
b) High pollution
c) Large human population
d) Extensive deserts only
Answer: a
Explanation: Varied ecosystems support high biodiversity.

16.                  Endemic species are:
a) Found all over the world
b) Restricted to a specific region
c) Extinct species
d) Alien species
Answer: b
Explanation: Example: Lion-tailed macaque (Western Ghats).

17.                  Species richness refers to:
a) Total number of individuals
b) Total number of species
c) Evenness of species distribution
d) Number of habitats
Answer: b
Explanation: Richness = number of species.

18.                  Species evenness indicates:
a) Number of species
b) Dominance of one species
c) Relative abundance of species
d) Genetic variation
Answer: c
Explanation: High evenness = uniform distribution of species.

19.                  Which ecosystem is richest in biodiversity?
a) Desert
b) Tropical rainforest
c) Tundra
d) Temperate grassland
Answer: b
Explanation: Tropical rainforests have highest species diversity.

20.                  Which of the following contributes to national biodiversity?
a) Western Ghats
b) Amazon rainforest
c) Sahara desert
d) Congo Basin
Answer: a
Explanation: Western Ghats, Himalaya, etc., contribute to India’s biodiversity.


21–40: Importance of Biodiversity

21.                  Which of the following is an ecological importance of biodiversity?
a) Provides timber
b) Maintains food chains
c) Generates income
d) Provides medicine
Answer: b
Explanation: Ecosystem stability depends on biodiversity.

22.                  Which is an economic importance of biodiversity?
a) Pollination
b) Climate regulation
c) Medicinal plants
d) Nutrient cycling
Answer: c
Explanation: Biodiversity provides resources for medicine, timber, and industry.

23.                  Taxol is obtained from:
a) Neem
b) Yew tree
c) Aloe vera
d) Eucalyptus
Answer: b
Explanation: Taxol is used in cancer treatment.

24.                  Artemisinin, an antimalarial drug, is obtained from:
a) Cinchona
b) Artemisia annua
c) Tulsi
d) Aloe vera
Answer: b
Explanation: Artemisia annua produces Artemisinin.

25.                  Sacred groves are important because:
a) They prevent pollution
b) They preserve local biodiversity
c) They increase tourism only
d) They increase urbanization
Answer: b
Explanation: Sacred groves conserve endemic species.

26.                  Which of the following is a social importance of biodiversity?
a) Pollination
b) Medicinal use
c) Ecotourism and recreation
d) Photosynthesis
Answer: c
Explanation: Biodiversity enhances cultural and recreational values.

27.                  Which process contributes to scientific importance of biodiversity?
a) Industrialization
b) Bioprospecting
c) Deforestation
d) Urbanization
Answer: b
Explanation: Bioprospecting studies natural resources for new products.

28.                  Which ecosystem service is provided by biodiversity?
a) Food production
b) Climate regulation
c) Nutrient cycling
d) All of the above
Answer: d
Explanation: Biodiversity sustains multiple ecosystem services.

29.                  Which crop variety improvement relies on biodiversity?
a) Wheat
b) Rice
c) Both a and b
d) None
Answer: c
Explanation: Genetic variation in crops helps develop better varieties.

30.                  High biodiversity in an ecosystem indicates:
a) Ecosystem instability
b) Ecosystem health and stability
c) High pollution
d) Low productivity
Answer: b
Explanation: Diverse species maintain ecological balance.


41–60: Threats to Biodiversity

41.                  Which is the primary cause of habitat loss?
a) Deforestation
b) Hunting
c) Pollution
d) Seed banks
Answer: a
Explanation: Habitat destruction is mainly caused by deforestation and urbanization.

42.                  Water hyacinth is an example of:
a) Endemic species
b) Invasive species
c) Threatened species
d) Keystone species
Answer: b
Explanation: Alien species that disrupt ecosystems are invasive.

43.                  Which of the following is an effect of pollution on biodiversity?
a) Habitat creation
b) Extinction of species
c) Genetic diversity increase
d) Ecosystem stability
Answer: b
Explanation: Pollutants like pesticides kill species and reduce biodiversity.

44.                  Overexploitation refers to:
a) Sustainable hunting
b) Excessive hunting or harvesting
c) Habitat protection
d) Ecosystem management
Answer: b
Explanation: Overuse leads to depletion of species.

45.                  Global warming affects biodiversity because:
a) It increases sunlight
b) Changes temperature and rainfall
c) Reduces soil fertility
d) Encourages biodiversity
Answer: b
Explanation: Climate change alters habitats and affects species survival.

46.                  Which of the following is NOT a threat to biodiversity?
a) Climate change
b) Invasive species
c) National parks
d) Habitat fragmentation
Answer: c
Explanation: National parks protect biodiversity.

47.                  Fragmentation of forests leads to:
a) Increased species richness
b) Isolation of populations
c) More endemic species
d) None
Answer: b
Explanation: Fragmentation isolates populations, affecting gene flow.

48.                  Which of the following human activities leads to biodiversity loss?
a) Urbanization
b) Industrialization
c) Agriculture expansion
d) All of the above
Answer: d
Explanation: All activities disrupt natural habitats.

49.                  Invasive species are harmful because they:
a) Increase ecosystem stability
b) Compete with native species
c) Increase genetic diversity of natives
d) Reduce pollution
Answer: b
Explanation: Invasive species outcompete natives for resources.

50.                  Overfishing can lead to:
a) Habitat loss
b) Reduction of aquatic biodiversity
c) Global warming
d) Deforestation
Answer: b
Explanation: Overfishing reduces fish populations and aquatic biodiversity.


51.                  In-situ conservation means:
a) Protecting species outside their natural habitat
b) Protecting species within their natural habitat
c) Cultivating species in labs
d) Storing seeds in seed banks
Answer: b
Explanation: In-situ conservation focuses on protecting plants and animals in their natural habitats.

52.                  Which of the following is an example of a National Park in India?
a) Jim Corbett
b) Lalbagh
c) Delhi Zoo
d) Svalbard Seed Vault
Answer: a
Explanation: National Parks protect species and ecosystems; Jim Corbett is India’s first National Park.

53.                  Which of the following is an example of a wildlife sanctuary?
a) Periyar
b) Sunderbans
c) Nanda Devi Biosphere Reserve
d) Lalbagh Botanical Garden
Answer: a
Explanation: Wildlife sanctuaries focus on protecting particular species and their habitats.

54.                  Which of the following is a biosphere reserve in India?
a) Nilgiri
b) Jim Corbett
c) Bharatpur
d) Lalbagh
Answer: a
Explanation: Biosphere reserves combine conservation with sustainable use of resources.

55.                  Sacred groves contribute to conservation because they:
a) Promote tourism only
b) Are areas of undisturbed native vegetation
c) Store seeds
d) Are urban parks
Answer: b
Explanation: Sacred groves protect endemic species due to cultural/religious practices.

56.                  Project Tiger was launched in India in:
a) 1970
b) 1973
c) 1980
d) 1992
Answer: b
Explanation: Project Tiger focuses on tiger population conservation in India.

57.                  The main aim of Project Elephant is to:
a) Conserve tiger population
b) Protect wild elephants
c) Establish biosphere reserves
d) Promote seed banks
Answer: b
Explanation: Project Elephant conserves elephant habitats and prevents human–elephant conflict.

58.                  Which of the following is a key feature of a biosphere reserve?
a) Only tourism
b) Core, buffer, and transition zones
c) Urban development
d) Seed storage
Answer: b
Explanation: Biosphere reserves include core (strict protection), buffer (limited activity), and transition (sustainable use) zones.

59.                  Which of the following is NOT an in-situ conservation method?
a) National Park
b) Wildlife Sanctuary
c) Botanical Garden
d) Biosphere Reserve
Answer: c
Explanation: Botanical gardens are ex-situ conservation.

60.                  In-situ conservation is preferred because:
a) It is cheaper
b) Species can survive in natural habitat
c) Seed banks are not needed
d) Captive breeding is easier
Answer: b
Explanation: In-situ allows species to evolve naturally and maintain ecological interactions.


61–70: Ex-Situ Conservation

61.                  Ex-situ conservation means:
a) Conservation in natural habitats
b) Conservation outside natural habitats
c) Planting sacred groves
d) Protecting only endangered species
Answer: b
Explanation: Ex-situ protects species in artificial environments like labs, zoos, and seed banks.

62.                  Which of the following is an ex-situ conservation method?
a) Jim Corbett National Park
b) Lalbagh Botanical Garden
c) Sundarbans Sanctuary
d) Nilgiri Biosphere Reserve
Answer: b
Explanation: Botanical gardens maintain plants outside their natural habitat.

63.                  Seed banks are used to:
a) Protect animals
b) Store genetic material of plants
c) Promote tourism
d) Increase deforestation
Answer: b
Explanation: Seed banks preserve genetic diversity for future use.

64.                  Which of the following is a famous seed bank in India?
a) NBPGR, New Delhi
b) Jim Corbett
c) Periyar
d) Sunderbans
Answer: a
Explanation: National Bureau of Plant Genetic Resources stores seeds of important crops.

65.                  Which of the following is a global seed vault?
a) Lalbagh
b) Svalbard Seed Vault
c) Jim Corbett
d) Bharatpur
Answer: b
Explanation: Svalbard (Norway) stores seeds from around the world as a genetic backup.

66.                  Zoos contribute to conservation by:
a) Protecting species in their natural habitats
b) Captive breeding and public awareness
c) Storing seeds
d) Promoting hunting
Answer: b
Explanation: Zoos maintain endangered species and educate the public.

67.                  Tissue culture is used in ex-situ conservation to:
a) Conserve animals
b) Multiply rare plants
c) Protect forests
d) Increase species richness
Answer: b
Explanation: Tissue culture produces multiple plants from a single specimen in labs.

68.                  Ex-situ conservation is useful when:
a) Habitat is stable
b) Species are critically endangered or extinct in the wild
c) Species are abundant
d) National Parks are present
Answer: b
Explanation: Ex-situ safeguards species facing immediate extinction.

69.                  Which is an advantage of ex-situ conservation?
a) Allows natural evolution
b) Protects species immediately
c) Maintains ecological balance
d) Reduces ecosystem services
Answer: b
Explanation: Captive breeding, seed banks, and tissue culture prevent extinction.

70.                  Which is a limitation of ex-situ conservation?
a) Habitat protection is ensured
b) Expensive and artificial environment
c) Conserves natural ecosystems
d) Maintains biodiversity balance
Answer: b
Explanation: Species may not adapt well outside natural habitats.


71–80: Endangered Species & Red Data Book

71.                  Which is listed in India’s Red Data Book as critically endangered?
a) Asiatic Lion
b) House Sparrow
c) Crow
d) Domestic Cow
Answer: a
Explanation: Asiatic Lion is critically endangered, listed in Red Data Book.

72.                  One-horned rhinoceros is found in:
a) Kaziranga
b) Jim Corbett
c) Sunderbans
d) Nilgiri
Answer: a
Explanation: One-horned rhinoceros is native to Kaziranga National Park.

73.                  Which of the following is an endangered species of India?
a) Tiger
b) House Sparrow
c) Crow
d) Dog
Answer: a
Explanation: Tigers are endangered due to habitat loss and poaching.

74.                  Which of the following is extinct in the wild?
a) Dodo
b) Asiatic Lion
c) Bengal Tiger
d) One-horned Rhinoceros
Answer: a
Explanation: Dodo is globally extinct.

75.                  IUCN stands for:
a) International Union for Conservation of Nature
b) Indian Union for Conservation of Nature
c) International Union for Climate Neutrality
d) Indian Union of National Conservation
Answer: a
Explanation: IUCN publishes Red List of threatened species.

76.                  Red Data Book lists:
a) All species of India
b) Endangered and threatened species
c) Only plants
d) Only animals
Answer: b
Explanation: Red Data Book provides conservation status.

77.                  Which species is a keystone species in India?
a) Tiger
b) Lion
c) Crocodile
d) House Sparrow
Answer: a
Explanation: Tigers maintain ecological balance by controlling herbivore populations.

78.                  Which of the following is NOT a threatened species?
a) Bengal Tiger
b) Asiatic Lion
c) Domestic Cat
d) Indian Elephant
Answer: c
Explanation: Domestic cats are widespread and not threatened.

79.                  Which Indian tiger reserve is in Madhya Pradesh?
a) Bandhavgarh
b) Sundarbans
c) Periyar
d) Jim Corbett
Answer: a
Explanation: Bandhavgarh National Park is a tiger reserve.

80.                  Which is a freshwater ecosystem endangered species?
a) Ganges River Dolphin
b) Bengal Tiger
c) Indian Lion
d) Olive Ridley Turtle
Answer: a
Explanation: Ganges River Dolphin is endangered and lives in freshwater rivers.


81–90: Conservation Programs & Community Role

81.                  Forest Conservation Act was enacted in:
a) 1972
b) 1980
c) 1992
d) 2000
Answer: b
Explanation: It regulates deforestation and forest management.

82.                  Which of the following programs focuses on tiger conservation?
a) Project Tiger
b) Project Rhino
c) Project Elephant
d) Red Data Book
Answer: a
Explanation: Launched in 1973 to protect tiger populations.

83.                  Which project conserves Indian elephants?
a) Project Elephant
b) Project Tiger
c) Project Rhino
d) Red Data Book
Answer: a
Explanation: Project Elephant aims to conserve elephants and their habitats.

84.                  Community involvement in biodiversity conservation includes:
a) Sacred groves protection
b) Eco-tourism
c) Sustainable agriculture
d) All of the above
Answer: d
Explanation: Local communities play an essential role in conservation.

85.                  Biodiversity conservation promotes:
a) Sustainable development
b) Urbanization
c) Mining
d) Deforestation
Answer: a
Explanation: Conservation ensures resources are available for future generations.

86.                  Which of the following is an example of community-based conservation in India?
a) Sacred groves
b) National Parks
c) Zoos
d) Botanical Gardens
Answer: a
Explanation: Sacred groves are managed and protected by local communities.

87.                  Which organization publishes the global Red List?
a) IUCN
b) WWF
c) UNEP
d) CITES
Answer: a
Explanation: IUCN Red List monitors endangered species globally.

88.                  CITES (Convention on International Trade in Endangered Species) regulates:
a) Domestic species trade
b) International trade of endangered species
c) Forest management
d) Seed banks
Answer: b
Explanation: CITES ensures threatened species are not traded internationally.

89.                  Which of the following promotes awareness about biodiversity?
a) Zoos and botanical gardens
b) Sacred groves
c) Seed banks
d) National Parks only
Answer: a
Explanation: Zoos and botanical gardens educate the public on biodiversity.

90.                  Why is community participation important in biodiversity conservation?
a) Reduces human interference only
b) Encourages sustainable use and protection
c) Promotes hunting
d) Promotes deforestation
Answer: b
Explanation: Communities manage resources sustainably and help conserve ecosystems.


1.   Biodiversity refers to:
a) Only species diversity
b) Variety of all life forms including genes, species, and ecosystems
c) Only genetic variation
d) Only ecosystem diversity
Answer: b
Explanation: Biodiversity includes genetic, species, and ecosystem diversity.

2.   Who defined biodiversity as “the totality of genes, species, and ecosystems of a region”?
a) E.O. Wilson
b) Charles Darwin
c) Linnaeus
d) Alfred Wallace
Answer: a
Explanation: E.O. Wilson emphasized biodiversity at all levels.

3.   Species diversity includes:
a) Genetic variation only
b) Number of species and their relative abundance
c) Ecosystem variation
d) Habitat fragmentation
Answer: b
Explanation: Species diversity = species richness + species evenness.

4.   Genetic diversity helps in:
a) Ecosystem stability
b) Adaptation and evolution of species
c) Habitat formation
d) Reducing species richness
Answer: b
Explanation: Genetic variation allows species to adapt to environmental changes.

5.   Which level of biodiversity is crucial for crop improvement?
a) Genetic diversity
b) Species diversity
c) Ecosystem diversity
d) Global diversity
Answer: a
Explanation: Genetic variation provides traits for breeding better crops.

6.   Ecosystem diversity refers to:
a) Variety of genes
b) Variety of species
c) Variety of habitats in a region
d) Number of endangered species
Answer: c
Explanation: Includes forests, grasslands, wetlands, deserts, etc.

7.   Species richness refers to:
a) Total number of individuals
b) Total number of species
c) Relative abundance of species
d) Diversity of ecosystems
Answer: b
Explanation: Species richness = total species present in an ecosystem.

8.   Species evenness refers to:
a) Number of species
b) Distribution of individuals among species
c) Genetic variation
d) Ecosystem diversity
Answer: b
Explanation: High evenness = uniform distribution of species.

9.   Simpson’s Index measures:
a) Genetic diversity
b) Species diversity
c) Ecosystem stability
d) Population size
Answer: b
Explanation: It considers species richness and evenness.

10.                  Higher Simpson’s index indicates:
a) Low diversity
b) High diversity
c) High dominance
d) Low species richness
Answer: b
Explanation: D ranges from 0–1; higher D means higher biodiversity.


11–20: Global and Indian Biodiversity

11.                  Endemic species are:
a) Found worldwide
b) Restricted to a region
c) Extinct species
d) Alien species
Answer: b
Explanation: Example: Lion-tailed macaque in Western Ghats.

12.                  Biodiversity hotspot criteria include:
a) ≥1500 endemic species
b) Threatened species present
c) Rich in species
d) All of the above
Answer: d
Explanation: Hotspots must meet all criteria.

13.                  Which is a biodiversity hotspot in India?
a) Amazon
b) Western Ghats
c) Sahara
d) Congo Basin
Answer: b
Explanation: India has 4 major biodiversity hotspots.

14.                  Nicobar Islands belong to which hotspot?
a) Indo-Burma
b) Himalaya
c) Sundalands
d) Indo-Malayan
Answer: c
Explanation: Sundalands cover Nicobar Islands.

15.                  Which ecosystem has the highest species diversity?
a) Desert
b) Tropical rainforest
c) Tundra
d) Temperate grassland
Answer: b
Explanation: Tropical rainforests are richest in biodiversity.

16.                  Biodiversity at a local level includes:
a) Himalayan forests
b) Village pond ecosystem
c) Sundarbans
d) Amazon rainforest
Answer: b
Explanation: Local biodiversity refers to small habitats like ponds or home gardens.

17.                  Species richness + species evenness =
a) Genetic diversity
b) Ecosystem diversity
c) Species diversity
d) Habitat diversity
Answer: c
Explanation: Species diversity is measured by both richness and evenness.

18.                  India’s biodiversity richness is due to:
a) Large population
b) Varied climate and topography
c) Pollution
d) Deforestation
Answer: b
Explanation: Diverse climates and habitats support more species.

19.                  Which of the following is NOT a component of biodiversity?
a) Genetic diversity
b) Species diversity
c) Cultural diversity
d) Ecosystem diversity
Answer: c
Explanation: Cultural diversity is human-related, not a biodiversity component.

20.                  Which of the following is a national biodiversity hotspot?
a) Western Ghats
b) Amazon
c) Sahara
d) Congo Basin
Answer: a
Explanation: Western Ghats is rich in endemic species and part of India’s hotspots.


21–30: Importance of Biodiversity

21.                  Ecological importance of biodiversity includes:
a) Provides timber
b) Maintains food chains
c) Generates income
d) Provides medicine
Answer: b
Explanation: Biodiversity ensures ecological stability and nutrient cycles.

22.                  Economic importance includes:
a) Pollination
b) Climate regulation
c) Medicinal plants
d) Nutrient cycling
Answer: c
Explanation: Plants provide medicine, timber, and industrial products.

23.                  Taxol is obtained from:
a) Neem
b) Yew tree
c) Aloe vera
d) Eucalyptus
Answer: b
Explanation: Taxol is a cancer drug from yew tree.

24.                  Artemisinin is obtained from:
a) Cinchona
b) Artemisia annua
c) Tulsi
d) Aloe vera
Answer: b
Explanation: Artemisinin is used to treat malaria.

25.                  Sacred groves protect biodiversity because:
a) Promote tourism
b) Preserve native vegetation and endemic species
c) Store seeds
d) Urban parks
Answer: b
Explanation: Cultural beliefs help conserve forests and species.

26.                  Biodiversity contributes to:
a) Cultural and social values
b) Sustainable development
c) Ecotourism
d) All of the above
Answer: d
Explanation: Biodiversity supports multiple human and ecological needs.

27.                  Which crop improvement relies on biodiversity?
a) Rice
b) Wheat
c) Both a and b
d) None
Answer: c
Explanation: Genetic variation allows breeding of better varieties.

28.                  Ecosystem services provided by biodiversity include:
a) Food production
b) Climate regulation
c) Nutrient cycling
d) All of the above
Answer: d
Explanation: Biodiversity underpins essential ecosystem services.

29.                  High biodiversity indicates:
a) Ecosystem instability
b) Ecosystem health and stability
c) Low productivity
d) High pollution
Answer: b
Explanation: Diverse species maintain balance and ecosystem resilience.

30.                  Scientific importance of biodiversity includes:
a) Research and bioprospecting
b) Industrialization
c) Urbanization
d) None
Answer: a
Explanation: Biodiversity provides resources for medicines, enzymes, and scientific study.


31–40: Threats to Biodiversity

31.                  Which is the primary cause of habitat loss?
a) Deforestation
b) Hunting
c) Pollution
d) Seed banks
Answer: a
Explanation: Habitat destruction through urbanization and agriculture is major.

32.                  Water hyacinth is an example of:
a) Endemic species
b) Invasive species
c) Threatened species
d) Keystone species
Answer: b
Explanation: Invasive species disrupt ecosystems.

33.                  Overexploitation refers to:
a) Sustainable hunting
b) Excessive hunting or harvesting
c) Habitat protection
d) Ecosystem management
Answer: b
Explanation: Overuse of species beyond sustainable limits leads to decline.

34.                  Pollution affects biodiversity by:
a) Habitat creation
b) Extinction of species
c) Increasing diversity
d) Stabilizing ecosystems
Answer: b
Explanation: Pollutants like pesticides and chemicals reduce species populations.

35.                  Global warming threatens biodiversity because:
a) It increases sunlight
b) Changes temperature and rainfall patterns
c) Reduces soil fertility only
d) Encourages biodiversity
Answer: b
Explanation: Climate change alters habitats and species survival.

36.                  Fragmentation of forests leads to:
a) Increased species richness
b) Isolation of populations
c) Creation of wetlands
d) Global warming
Answer: b
Explanation: Fragmentation prevents gene flow and affects population viability.

37.                  Which human activity is NOT a threat to biodiversity?
a) Urbanization
b) Industrialization
c) National Parks
d) Agriculture expansion
Answer: c
Explanation: National Parks protect biodiversity rather than threatening it.

38.                  Invasive species are harmful because:
a) They increase ecosystem stability
b) They compete with native species
c) They enhance genetic diversity of natives
d) They reduce pollution
Answer: b
Explanation: Invasive species outcompete native species for resources.

39.                  Overfishing leads to:
a) Habitat loss
b) Reduction in aquatic biodiversity
c) Deforestation
d) Pollution
Answer: b
Explanation: Excessive fishing depletes fish populations and aquatic species.

40.                  Which activity directly leads to habitat loss?
a) Ecotourism
b) Deforestation
c) Sacred groves
d) Seed banks
Answer: b
Explanation: Deforestation destroys natural habitats for many species.


41–50: In-Situ Conservation

41.                  In-situ conservation refers to:
a) Conservation outside natural habitats
b) Conservation in natural habitats
c) Captive breeding programs
d) Seed banks
Answer: b
Explanation: In-situ conservation protects species in their natural ecosystems.

42.                  Which of the following is a National Park in India?
a) Lalbagh
b) Jim Corbett
c) Svalbard Seed Vault
d) Periyar Zoo
Answer: b
Explanation: Jim Corbett National Park was India’s first National Park.

43.                  Wildlife sanctuaries differ from National Parks because:
a) Hunting is allowed in sanctuaries
b) Human activity is completely banned in sanctuaries
c) Sanctuaries focus on aquatic species
d) National Parks do not protect animals
Answer: a
Explanation: Hunting or limited human activities may be allowed in wildlife sanctuaries.

44.                  Which of the following is an example of a biosphere reserve in India?
a) Nilgiri
b) Lalbagh
c) Sunderbans National Park
d) Jim Corbett
Answer: a
Explanation: Nilgiri Biosphere Reserve combines conservation with sustainable human use.

45.                  Sacred groves contribute to biodiversity conservation because they:
a) Promote tourism
b) Preserve native vegetation due to cultural beliefs
c) Store seeds in banks
d) Are urban recreational areas
Answer: b
Explanation: Local customs prevent cutting trees and hunting, preserving biodiversity.

46.                  Project Tiger was launched in India in:
a) 1970
b) 1973
c) 1980
d) 1992
Answer: b
Explanation: Aims to protect tiger populations and their habitats.

47.                  The main aim of Project Elephant is:
a) Conserve tiger habitats
b) Protect wild elephants
c) Establish seed banks
d) Promote tourism
Answer: b
Explanation: Project Elephant conserves elephant populations and reduces human–elephant conflicts.

48.                  A key feature of a biosphere reserve is:
a) Core, buffer, and transition zones
b) Only tourism zones
c) Seed storage areas
d) Urban parks
Answer: a
Explanation: Core zone = strict protection, buffer = limited activity, transition = sustainable use.

49.                  Which of the following is NOT an in-situ conservation method?
a) National Park
b) Wildlife Sanctuary
c) Botanical Garden
d) Biosphere Reserve
Answer: c
Explanation: Botanical gardens are ex-situ methods.

50.                  In-situ conservation is preferred because:
a) It is cheaper
b) Species survive in natural habitats
c) Captive breeding is easier
d) Artificial environments are more suitable
Answer: b
Explanation: Natural habitats allow evolution, interactions, and natural behaviors.


51–60: Ex-Situ Conservation

51.                  Ex-situ conservation means:
a) Conservation in natural habitats
b) Conservation outside natural habitats
c) Protecting only endangered species
d) Maintaining only plant species
Answer: b
Explanation: Ex-situ includes zoos, seed banks, tissue culture, and botanical gardens.

52.                  Which of the following is an ex-situ conservation method?
a) Jim Corbett
b) Lalbagh Botanical Garden
c) Sunderbans Sanctuary
d) Nilgiri Biosphere Reserve
Answer: b
Explanation: Botanical gardens conserve plants outside their natural habitats.

53.                  Seed banks are used to:
a) Protect animals
b) Store plant genetic material
c) Promote tourism
d) Increase deforestation
Answer: b
Explanation: Seeds are stored for long-term preservation and future crop improvement.

54.                  Which is a famous seed bank in India?
a) NBPGR, New Delhi
b) Jim Corbett
c) Periyar
d) Sundarbans
Answer: a
Explanation: National Bureau of Plant Genetic Resources stores seeds of crops and wild relatives.

55.                  Svalbard Seed Vault is located in:
a) India
b) Norway
c) USA
d) Brazil
Answer: b
Explanation: Stores seeds from around the world as a genetic backup.

56.                  Zoos contribute to biodiversity conservation by:
a) Protecting species in natural habitats
b) Captive breeding and public awareness
c) Storing seeds
d) Promoting hunting
Answer: b
Explanation: Zoos maintain endangered species and educate the public.

57.                  Tissue culture is used in ex-situ conservation to:
a) Conserve animals
b) Multiply rare plants
c) Protect forests
d) Increase ecosystem diversity
Answer: b
Explanation: Tissue culture allows mass propagation of rare or endangered plants.

58.                  Ex-situ conservation is useful when:
a) Habitat is stable
b) Species are critically endangered or extinct in the wild
c) Species are abundant
d) In-situ conservation is sufficient
Answer: b
Explanation: Helps protect species that cannot survive in the wild.

59.                  Advantage of ex-situ conservation:
a) Natural evolution is maintained
b) Immediate protection of critically endangered species
c) Cost-effective for all species
d) Ensures ecological balance
Answer: b
Explanation: Captive breeding, seed banks, and botanical gardens prevent extinction.

60.                  Limitation of ex-situ conservation:
a) Habitat protection
b) Expensive and artificial environment
c) Maintains natural ecosystem interactions
d) Preserves ecological processes
Answer: b
Explanation: Species may lose natural behaviors and ecosystem connections.


61–70: Endangered Species & Red Data Book

61.                  Which species is critically endangered in India?
a) House Sparrow
b) Asiatic Lion
c) Crow
d) Domestic Cow
Answer: b
Explanation: Asiatic Lion population is limited to Gir Forest.

62.                  One-horned rhinoceros is found in:
a) Kaziranga
b) Jim Corbett
c) Sunderbans
d) Nilgiri
Answer: a
Explanation: Native to Kaziranga National Park.

63.                  Which of the following is endangered in India?
a) Tiger
b) Crow
c) Domestic Cat
d) Buffalo
Answer: a
Explanation: Tigers are threatened due to habitat loss and poaching.

64.                  Dodo is an example of:
a) Extinct species
b) Endangered species
c) Threatened species
d) Vulnerable species
Answer: a
Explanation: Dodo is globally extinct.

65.                  IUCN stands for:
a) International Union for Conservation of Nature
b) Indian Union for Conservation of Nature
c) International Union for Climate Neutrality
d) Indian Union of National Conservation
Answer: a
Explanation: IUCN maintains the Red List of threatened species.

66.                  Red Data Book lists:
a) All species
b) Endangered and threatened species
c) Only plants
d) Only animals
Answer: b
Explanation: Provides conservation status of species.

67.                  Keystone species in India:
a) Tiger
b) House Sparrow
c) Crow
d) Domestic Cow
Answer: a
Explanation: Tigers maintain ecological balance by controlling herbivores.

68.                  Which species is not threatened?
a) Bengal Tiger
b) Asiatic Lion
c) Domestic Cat
d) Indian Elephant
Answer: c
Explanation: Domestic cats are widespread and not threatened.

69.                  Tiger reserves in Madhya Pradesh include:
a) Bandhavgarh
b) Sundarbans
c) Periyar
d) Jim Corbett
Answer: a
Explanation: Bandhavgarh is a tiger reserve with high tiger population.

70.                  Freshwater endangered species example:
a) Ganges River Dolphin
b) Bengal Tiger
c) Asiatic Lion
d) Olive Ridley Turtle
Answer: a
Explanation: Found in rivers; critically endangered.


71–80: Conservation Programs & Community Role

71.                  Forest Conservation Act was enacted in:
a) 1972
b) 1980
c) 1992
d) 2000
Answer: b
Explanation: Regulates deforestation and forest use in India.

72.                  Project Tiger focuses on:
a) Elephant conservation
b) Tiger conservation
c) Rhino conservation
d) Plant biodiversity
Answer: b
Explanation: Launched in 1973 to protect tigers and their habitats.

73.                  Project Elephant focuses on:
a) Tigers
b) Elephants
c) Rhinos
d) Mangroves
Answer: b
Explanation: Aims to protect elephant populations and habitats.

74.                  Community participation in conservation includes:
a) Sacred groves protection
b) Eco-tourism
c) Sustainable agriculture
d) All of the above
Answer: d
Explanation: Communities help conserve biodiversity through sustainable practices.

75.                  Biodiversity conservation promotes:
a) Urbanization
b) Sustainable development
c) Mining
d) Deforestation
Answer: b
Explanation: Ensures resources for future generations.

76.                  Community-based conservation in India example:
a) Sacred groves
b) Zoos
c) National Parks
d) Botanical Gardens
Answer: a
Explanation: Locals protect groves, preserving endemic species.

77.                  IUCN Red List is published by:
a) WWF
b) UNEP
c) IUCN
d) CITES
Answer: c
Explanation: Provides global conservation status of species.

78.                  CITES regulates:
a) Domestic species trade
b) International trade of endangered species
c) Forest management
d) Seed banks
Answer: b
Explanation: Prevents illegal trade of endangered species internationally.

79.                  Zoos and botanical gardens promote:
a) Awareness of biodiversity
b) Hunting
c) Deforestation
d) Urban development
Answer: a
Explanation: Educate the public and support conservation efforts.

80.                  Community participation in biodiversity helps:
a) Promote hunting
b) Reduce human interference and encourage sustainable use
c) Increase deforestation
d) Promote urbanization
Answer: b
Explanation: Involvement ensures long-term conservation success.


81.                  How many biodiversity hotspots are there in India?
a) 2
b) 4
c) 10
d) 35
Answer: b
Explanation: India has 4 biodiversity hotspots: Himalaya, Indo-Burma, Sundalands, and Western Ghats.

82.                  Which is a Himalayan biodiversity hotspot?
a) Nicobar Islands
b) Western Ghats
c) North-east Himalaya
d) Sundarbans
Answer: c
Explanation: North-east Himalaya is rich in endemic flora and fauna.

83.                  Western Ghats hotspot is known for endemic:
a) Birds only
b) Amphibians and plants
c) Mammals only
d) Fish only
Answer: b
Explanation: Home to many endemic amphibians, plants, and mammals.

84.                  Indo-Burma hotspot includes:
a) Andaman & Nicobar Islands
b) Nicobar Islands and North-east India
c) Western Ghats
d) Sundarbans
Answer: b
Explanation: Region has tropical forests and endemic species.

85.                  Sundalands hotspot includes:
a) Western Ghats
b) Nicobar Islands
c) North-east India
d) Himalaya
Answer: b
Explanation: Nicobar Islands are part of Sundalands hotspot.

86.                  Endemic species in India are:
a) Asiatic Lion, Tiger, Olive Ridley
b) House Sparrow, Crow, Rat
c) Dog, Cat, Cow
d) Dodo, Kiwi, Crow
Answer: a
Explanation: These species are found only in specific Indian regions.

87.                  Which tree is endemic to Western Ghats?
a) Teak
b) Strobilanthes kunthiana (Neelakurinji)
c) Sal
d) Banyan
Answer: b
Explanation: Neelakurinji blooms once in 12 years in Western Ghats.

88.                  Which bird is endemic to India?
a) Indian Peafowl
b) House Sparrow
c) Crow
d) Eagle
Answer: a
Explanation: Indian Peafowl is native to India and protected under Wildlife Act.

89.                  Which reptile is endemic to India?
a) King Cobra
b) Indian Star Tortoise
c) Monitor Lizard
d) Komodo Dragon
Answer: b
Explanation: Indian Star Tortoise is found in dry regions of India.

90.                  Which amphibian is endemic to Western Ghats?
a) Purple Frog (Nasikabatrachus sahyadrensis)
b) Bullfrog
c) Common Toad
d) Tree Frog
Answer: a
Explanation: Purple Frog lives underground and is endemic to Western Ghats.


91–100: Conservation Strategies & Quick Recall

91.                  Project Tiger was launched in:
a) 1965
b) 1973
c) 1985
d) 1990
Answer: b
Explanation: Launched to protect tigers and tiger habitats.

92.                  Project Elephant was launched in:
a) 1973
b) 1992
c) 1985
d) 2000
Answer: b
Explanation: Conserves elephant populations and migratory corridors.

93.                  Which is the first national park of India?
a) Sundarbans
b) Jim Corbett
c) Kaziranga
d) Periyar
Answer: b
Explanation: Jim Corbett National Park, 1936, focused on tiger conservation.

94.                  Biosphere reserves are recognized by:
a) IUCN only
b) UNESCO under MAB program
c) CITES
d) WWF
Answer: b
Explanation: UNESCO’s Man and Biosphere (MAB) program promotes sustainable development and conservation.

95.                  Red Data Book is maintained by:
a) WWF
b) IUCN
c) UNEP
d) CITES
Answer: b
Explanation: Lists threatened species globally and nationally.

96.                  Which is NOT an ex-situ method?
a) Botanical Garden
b) Seed Bank
c) National Park
d) Zoo
Answer: c
Explanation: National Parks are in-situ conservation.

97.                  Sacred groves in India help conserve:
a) Only trees
b) Only animals
c) Both endemic plants and animals
d) Only soil
Answer: c
Explanation: Cultural practices protect entire ecosystem.

98.                  CITES ensures:
a) Sustainable agriculture
b) No illegal international trade of endangered species
c) Habitat protection
d) Seed conservation
Answer: b
Explanation: Prevents exploitation of threatened species via international trade.

99.                  Tissue culture and cryopreservation are used for:
a) Animal breeding
b) Plant conservation ex-situ
c) Habitat restoration
d) National Park management
Answer: b
Explanation: Allows propagation and long-term storage of rare plant species.

100.             Community participation in conservation ensures:
a) Hunting rights
b) Sustainable use of natural resources
c) Deforestation
d) Urbanization
Answer: b
Explanation: Local communities maintain and protect biodiversity for long-term conservation.

Tags

Post a Comment

0Comments

Post a Comment (0)