Chapter-wise MCQ Questions

Looking for a reliable source for MCQ - Multiple Choice Questions of Biodiversity and Conservation in Class 12 Biology? Look no further. Our experts have carefully curated all the MCQs, accompanied by answers.

If you need additional preparatory materials like NCERT Solutions or CBSE Sample Papers, count on us. Access Chapter-wise MCQ Questions with Answers of Class 12 Biology, available for free in PDF format.

Question-1. More than 70 percent of all the recorded biotic components are

  1. Plants
  2. Human beings
  3. None of the above
  4. Animals

Question-2. New approach to conservation is the establishment of

  1. Biosphere reserves
  2. National parks
  3. Reserve forests
  4. Sanctuaries

Question-3. One of the ex situ conservation methods for endangered species is

  1. Biosphere reserves
  2. Cryopreservation
  3. National parks
  4. Wild life sanctuaries

Question-4. Plant compromise not more than

  1. 22 percent of the total species
  2. 32 percent of the total species
  3. 30 percent of the total species
  4. 20 percent of the total species

Question-5. The largest tropical Amazonian rain forest is in

  1. South America
  2. India
  3. Pakistan
  4. North America

Question-6. The worst dangerous threat to wild life is by

  1. Hunting
  2. Overgrazing
  3. Exotic species
  4. Habitat destruction

Question-7. Which group of vertebrates comprises the highest number of endangered species?

  1. Reptiles
  2. Birds
  3. Mammals
  4. Fishes

Question-8. Which of the following is not done in a wild life sanctuary?

  1. Flora is conserved
  2. Soil and flora is utilised
  3. Hunting is prohibited
  4. Fauna is conserved

Question-9. Which one of the following pairs of geographical areas show maximum biodiversity in our country?

  1. Eastern Ghats and West Bengal
  2. Eastern Himalayas and Western Ghats
  3. Kerala and Punjab
  4. Sunderbans and Rann of Kutch

Question-10. Wild life is destroyed most by

  1. Mass scale hunting
  2. Destruction of natural habitats
  3. Natural calamity
  4. Lack of proper care

Question-11. …................has the maximum genetic diversity in India

  1. Tea
  2. Potato
  3. Teak
  4. Mango

Question-12. According to IUCN 2004, the total number of plant and animal species described so far is slightly more than

  1. 7 million
  2. 1.5 million
  3. 0.5 million
  4. 5 million

Question-13. Alexander Von Humbolt described for the first time

  1. Species area relationships
  2. Species area relationships
  3. None of these
  4. Species area relationships

Question-14. Alpha diversity is present

  1. between community.
  2. ranges of communities.
  3. all of the above.
  4. within community.

Question-15. Among the ecosystem mentioned below, where can one find maximum biodiversity?

  1. Alpine meadows
  2. Desert
  3. Mangroves
  4. Coral reefs

Question-16. Amongst the animal groups given below, which one has the highest percentage of endangered species?

  1. Reptiles
  2. Mammals
  3. Insects
  4. Amphibians

Question-17. Biodiversity describes the study of diversity

  1. at species level.
  2. at community level.
  3. at all levels of biological organization.
  4. below species level.

Question-18. Diversity between two communities is called

  1. beta diversity
  2. gamma diversity
  3. none of these
  4. alpha diversity

Question-19. Exotic species

  1. usually increase biodiversity.
  2. often enhance the habitat for native species.
  3. usually reduce biodiversity.
  4. are often endangered.

Question-20. IUCN stands for

  1. International Union for Conservation of Nature
  2. Indian Union for Chemical Nomenclature
  3. International Union for Conservation of Nutrients
  4. Indian Union for Conservation of Nature

Question-21. Joint Forest Management Concept was introduced in India during

  1. 1990 s
  2. 1970 s
  3. 1960 s
  4. 1980 s

Question-22. More than 70% of all the species recorded so far, are

  1. plants
  2. animals
  3. invertebrates
  4. insects

Question-23. The active chemical drug reserpine is obtained from

  1. Datura
  2. Atropa
  3. Papaver
  4. Rauwolfia

Question-24. The extinction of passenger pigeon was due to

  1. Non-availability of the food.
  2. Bird flu virus infection
  3. Increased number of predatory birds
  4. Over exploitation by humans

Question-25. The highest number of species in the world is represented by

  1. lichens
  2. fungi
  3. mosses
  4. algae

Question-26. The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as:

  1. G-16 Summit
  2. CITES Convention
  3. MAB Programme
  4. The Earth Summit

Question-27. The one-horned rhinoceros is specific to which of the following sanctuary

  1. Corbett park
  2. Bandipur
  3. Bhitar Kanika
  4. Kaziranga

Question-28. What is common to Lantana, Eichhornia and African catfish?

  1. All are mammals found in India.
  2. All are key stone species
  3. All are endangered species of India
  4. All the species are neither threatened nor indigenous species of India.

Question-29. What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?

  1. All are phylogenic link species
  2. All are ornamental plants
  3. All are exclusively present in the Eastern Himalayas
  4. All are prone to over exploitation

Question-30. What is common to the techniques (i) in vitro fertilisation, (ii) Cryo preservation and (iii) tissue culture?

  1. All are in situ conservation methods
  2. All require ultra modern equipment and large space
  3. All are methods of conservation of extinct organisms
  4. All are ex situ conservation methods

Question-31. Where among the following will you find pitcher plant?

  1. Sunderbans
  2. Thar Desert
  3. Western Ghats
  4. Rain forest of North-East India

Question-32. Which is an example of an ex-situ conservation

  1. National park
  2. Wildlife sanctuary
  3. Sacred groves
  4. Seed bank

Question-33. Which is defined as an ecological state of a species being unique to a specific geographic location

  1. Ecosystem
  2. Ecosystem
  3. None of these
  4. Endemic species

Question-34. Which is not generally seen in biodiversity hotspots.

  1. Loss of diversity
  2. Species richness
  3. Species richness
  4. Lesser interspecific competition

Question-35. Which is the National Aquatic Animal of India ?

  1. Blue whale
  2. Sea-horse
  3. All of these
  4. River dolphin

Question-36. Which of the below mentioned regions exhibit less seasonal variations?

  1. Temperates
  2. Alpines
  3. None of these
  4. Tropics

Question-37. Which of the following countries has the highest biodiversity?

  1. South Africa
  2. Russia
  3. India
  4. Brazil

Question-38. Which of the following forests is known as the lungs of the planet Earth?

  1. Tundra forest
  2. Tiaga forest
  3. Rain forests of North East India
  4. Amazon rain forest

Question-39. Which of the following group of plants exhibit more species diversity?

  1. Bryophytes
  2. Algae
  3. Angiosperms
  4. Fungi

Question-40. Which of the following is not a cause for loss of biodiversity?

  1. Invasion by alien species
  2. Destruction of habitat
  3. Over-exploitation of natural resources
  4. Keeping animals in zoological parks

Question-41. Which of the following is not an invasive alien species in the Indian context?

  1. Parthenium
  2. Eichhornia
  3. Lantana
  4. Cynodon

Question-42. Which of the following is not the example of recent extinction

  1. Dodo
  2. Quagga
  3. Pigeon
  4. Steller's sea cow

Question-43. Which of the following is the most important cause of animals and plants being driven to extinction ?

  1. Co-extinctions
  2. Alien species invasion
  3. None of these
  4. Habitat loss and fragmentation

Question-44. Which of the following National Parks is home to the famous musk deer or hangul?

  1. Eaglenest Wildlife Sanctuary, Arunachal Pradesh
  2. Bandhavgarh National Park, Madhya Pradesh
  3. None of these
  4. Dachigam National Park, Jammu & Kashmir

Question-45. Which of the following statements is correct?

  1. Parthenium is an endemic species of our country.
  2. Steller's sea cow is an extinct animal.
  3. Lantana is popularly known as carrot grass
  4. African catfish is not a threat to indigenous catfishes

Question-46. Which one of the following is not a major characteristic feature of biodiversity hot spots?

  1. Large number of exotic species
  2. Abundance of endemic species
  3. Large number of species
  4. Destruction of habitat

Question-47. According to IUCN red list, what is the status of red panda (Athurus fulgens) .?

  1. Critically endangered species
  2. Extinct species
  3. Endangered species
  4. Vulnerable species

Question-48. Amazon rain forest, called the 'Lungs of the Planet', contribute following percentage of oxygen by photosynthesis, to earth atmosphere

  1. 35%
  2. 42%
  3. 50%
  4. 20%

Question-49. American water plant that has become a troublesome water weed in India is

  1. Eichhornia crassipes
  2. Trapa latifolia
  3. Trapa bispinosa
  4. Cyperus rotundus

Question-50. Biodiversity act of India was passed by the Parliament in the year

  1. 1992
  2. 2002
  3. 2000
  4. 1996

Question-51. Bulk fixation of carbon through photosynthesis takes place in

  1. tropical rain forests and crop plants
  2. crop plants
  3. oceans
  4. tropical rain forests

Question-52. Chipko movement was launched for the protection of:

  1. Wetlands
  2. Grasslands
  3. Forests
  4. Livestock

Question-53. Deforestation does not lead to

  1. soil erosion
  2. alteration of local weather conditions
  3. destruction of natural habitat of wild animals
  4. quick nutrient cycling

Question-54. Deforestation will decrease

  1. land slides
  2. soil fertility
  3. rainfall
  4. soil erosion

Question-55. Fertility of soil is measured by its ability to

  1. hold organic materials
  2. hold water
  3. support life
  4. retain nutrients

Question-56. Flamingoes breed in

  1. Chilka lake
  2. Sambhar lake
  3. Lake Mansarover
  4. Rann of Kutch

Question-57. From origin of life to its diversification on earth, there have occurred following number of episodes of mass extinction.

  1. Three
  2. Four
  3. Five
  4. Two

Question-58. Geothermal energy is

  1. non-renewable conventional energy source
  2. renewable non-conventional energy source
  3. renewable conventional energy source
  4. non-renewable non-conventional energy source

Question-59. ICBN stands for

  1. International Code of Botanical Nomenclature
  2. International Congress of Biological Names
  3. Indian Code of Botanical Nomenclature
  4. Indian Congress of Biological Names

Question-60. In your opinion, which is the most effective way to conserve the plant diversity of an area?

  1. By creating biosphere reserve
  2. By creating botanical garden
  3. By developing seed bank
  4. By tissue culture method

Question-61. Land mass occupied by forests is about

  1. 30%
  2. 22%
  3. 11%
  4. 60%

Question-62. Largest amount of fresh water is found in

  1. underground
  2. polar ice and glaciers
  3. rivers
  4. lakes and streams

Question-63. MAB stands for

  1. Man And Biosphere programme
  2. Mammals And Biosphere
  3. Mammals And Biology programme
  4. Man And Biology programme

Question-64. Minerals and metals are

  1. renewable
  2. non-renewable
  3. Both b) and c)
  4. biodegradable resources

Question-65. National Park associated with rhinoceros is

  1. Ranthambore
  2. Corbett
  3. Valley of flowers
  4. Kaziranga

Question-66. One endangered species of Indian medicinal plants is that of

  1. Ocimum
  2. Garlic
  3. Nepenthes
  4. Podophyllum

Question-67. One of the most important function of botanical garden is that

  1. they allow ex situ conservation of germplasm
  2. they provide the natural habitat for wild life
  3. they provide a beautiful area for recreation
  4. one can observe tropical plants there

Question-68. Petroleum is a

  1. renewable resource
  2. non-renewable resource
  3. inconvenient resource
  4. synthetic product

Question-69. Ranthambore National Park is situated in

  1. Rajasthan
  2. Gujarat
  3. UP
  4. Maharashtra

Question-70. Renewable source of energy is

  1. coal
  2. petroleum
  3. kerosene
  4. biomass

Question-71. Soil conservation is

  1. aeration of soil
  2. erosion of soil
  3. protection against loss
  4. conversion of sterile soil into fertile one

Question-72. Soil fertility is reduced by

  1. nitrogen-fixing bacteria
  2. decaying organic matter
  3. intensive agriculture
  4. crop rotation

Question-73. The Cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of _________.

  1. Nile perch
  2. Eels
  3. Bass
  4. North American sturgeon

Question-74. The endangered largest living lemur Idri idri is inhabitant of

  1. Mauritius
  2. Sri Lanka
  3. India
  4. Madagascar

Question-75. The Evil Quartet of biodiversity loss, does not include

  1. introduction of alien species
  2. o-exploitation
  3. hunting
  4. habitat loss

Question-76. The taxa believed likely to join the endangered category in near future is called

  1. Extinct
  2. Vulnerable
  3. Living fossil
  4. Rare

Question-77. Tropical forests occur in India

  1. Rajasthan
  2. Kerala and Assam
  3. The forests do not occur in India
  4. Jammu and Kashmir

Question-78. Water is a resource

  1. degradable, maintainable
  2. renewable
  3. non-renewable
  4. non-degradable, non-maintainable

Question-79. Which animal has become extinct from India?

  1. Hippopotamus
  2. Wolf
  3. Cheetah
  4. Snow leopard

Question-80. Which endangered animal is the source of the world's finest, lightest, warmest and most expensive wool the shahtoosh ?

  1. Chiru
  2. Nilgai
  3. Cheetal
  4. Kashmiri goat

Question-81. Which group of vertebrates comprises the highest number of endangered species?

  1. Birds
  2. Mammals
  3. Fishes
  4. Reptiles

Question-82. Which of the following characteristics would cause a country to be considered a high-priority region for conservation efforts?

  1. Having low species richness
  2. Having little natural habitat remaining
  3. All of the above
  4. A high degree of endemism

Question-83. Which of the following is considered a hotspot of biodiversity in India?

  1. Indo-Gangetic plain
  2. Eastern ghats
  3. Aravalli hills
  4. Western ghats

Question-84. Which of the following is mainly responsible for extinction of wild life?

  1. Pollution of air and water
  2. Hunting for flesh
  3. All of the above
  4. Destruction of habitats

Question-85. Which of the following is not currently a major cause of the global reduction in biodiversity?

  1. Global warming
  2. Habitat destruction
  3. Introduction of foreign predators and disease
  4. Overexploitation

Question-86. Which of the following is not the approach for in-situ conservation ?

  1. Sanctuary
  2. Wild life safari park
  3. Sacred groove
  4. Biosphere reserve

Question-87. Which of the following is the main factor of desertification?

  1. Irrigated agriculture
  2. Over grazing
  3. All of the above
  4. Tourism

Question-88. Which of the following is the most serious threat to biodiversity?

  1. Commercial harvesting
  2. Habitat loss
  3. Overexploitation
  4. Competition from exotic species

Question-89. Which of the following pairs of an animal and a plant represents endangered organisms in India ?

  1. Tamarind and rhesus monkey
  2. Cinchona and leopard
  3. Banyan and black buck
  4. Bentinckia nicobarica and red panda

Question-90. Which one of the following is not included under in situ conservation?

  1. Botanical Gardens
  2. Biosphere reserve
  3. National Park
  4. Sanctuary

Question-91. Which one of the following is not observed in biodiversity hotspots?

  1. Accelerated species loss
  2. Lesser interspecific competition
  3. Species richness
  4. Endemism

Question-92. Which vertebrate group is more vulnerable to extinction?

  1. Amphibians
  2. Mammals
  3. Fishes
  4. Birds

Question-93. Wild life is destroyed most when

  1. mass scale hunting for foreign trade
  2. its natural habitat is destroyed
  3. natural calamity
  4. there is lack of proper care

Question-94. Endemism refers to

  1. Species confined to. that Region and also found anywhere else
  2. Species of all varieties
  3. None of the above
  4. Species confined to that region and not found anywhere else

Question-95. First National park developed in India is

  1. Kaziranga
  2. Jim Corbett
  3. None of these
  4. Gir

Question-96. Genetic biodiversity in agricultural crops in threatened by

  1. intensine use of fertilizers
  2. extensive intercropping
  3. intensive use of biopesticides
  4. introduction of high yielding varieties

Question-97. In situ conservation refers to

  1. Off site conservation
  2. Could be both (a) and (b)
  3. None of the above
  4. On site conservation

Question-98. In your opinion, which is the most effective way to conserve the plant diversity of an area?

  1. By creating Botanical gardens
  2. By developing seed banks
  3. By tissue culture method
  4. By creating Biosphere reserve



Tags:

Multiple Choice Questions and Answers on Biodiversity and Conservation
Biodiversity and Conservation Multiple Choice Questions and Answers
Biodiversity and Conservation Trivia Quiz
Biodiversity and Conservation Question and Answer PDF Online