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1. Biodiversity
(A) increases towards the equator
(B) decreases towards the equator
(C) remains same throughout the planet
(D) has no effect on change in latitude
Answer: increases towards the equator
2. The most important reason for decrease in biodiversity is
(A) habitat pollution
(B) introduction of exotic species
(C) over-exploitation
(D) habitat destruction
Answer: habitat destruction
3. Dodo is
(A) endangered
(B) critically endangered
(C) rare
(D) extinct
Answer: extinct
4. Blue whale is placed under
(A) endangered
(B) rare
(C) extinct
(D) critically endangered
Answer: endangered
5. Conservation within the natural habitat is
(A) insitu conservation
(B) exsitu conservation
(C) invivo conservation
(D) exvivo conservation
Answer: insitu conservation
6. All are insitu conservation efforts except
(A) National parks
(B) Sanctuaries
(C) Zoo
(D) biosphere reserves
Answer: Zoo
7. Ex situ conservation includes
(A) Zoo
(B) Botanic garden
(C) Germplasm bank
(D) all of the above
Answer: all of the above
8. Hot spots are regions of high
(A) rarity
(B) endemism
(C) critically endangered population
(D) diversity
Answer: endemism
9. Endemic species are
(A) rare species
(B) species localised in a specific region
(C) cosmopolitan in distribution
(D) critically endangered species
Answer: species localised in a specific region
10. Biodiversity can be broadly classified into how many types?
(A) 2
(B) 3
(C) 4
(D) 5
Answer: 3
11. International organization IUCN is abbreviation of
(A) Internal Union Council for Natural gas
(B) International Union Council for Nature
(C) International Union for Conservation of Nature
(D) Internal United Council of Nations
Answer: International Union for Conservation of Nature
12. Major causes of extinction of different species includes
(A) habitat loss and over-hunting
(B) climate change and pollution
(C) deforestation
(D) all of above
Answer: all of above
13. Which of the following region has maximum diversity
(A) mangrooves
(B) temperate rainforest
(C) taiga
(D) coral reefs
Answer: mangrooves
14. Approximately, 50% of total world species are present on
(A) tropical rain forest
(B) temperate rain forest
(C) temperate deciduous forest
(D) coral reefs
Answer: temperate rain forest
15. Biodiversity
(A) increases towards the equator
(B) decreases towards the equator
(C) remains same throughout the planet
(D) has no effect on change in latitude
Answer: increases towards the equator
16. The most important reason for decrease in biodiversity is
(A) habitat pollution
(B) introduction of exotic species
(C) over-exploitation
(D) habitat destruction
Answer: over-exploitation
17. Dodo is
(A) endangered
(B) rare
(C) extinct
(D) critically endangered
Answer: extinct
18. Blue whale is placed under
(A) endangered
(B) rare
(C) extinct
(D) critically endangered
Answer: endangered
19. How many biogeographic does India have?
(A) 5
(B) 6
(C) 8
(D) 10
Answer: 10
20. Lime is generally added to _____ soil
(A) Salty
(B) Dry
(C) Alkaline
(D) Acidic
Answer: Acidic
21. Global warming can be controlled by
(A) Reducing deforestation, cutting down use of fossil fuel
(B) Reducing reforestation, increasing the use of fossil fuel
(C) Increasing deforestation, slowing down the growth of human population
(D) Increasing deforestation, reducing efficiency of energy usage
Answer: Reducing deforestation, cutting down use of fossil fuel
22. Which one of the following is not used for ex situ plant conservation?
(A) Field gene banks
(B) Seed banks
(C) Shifting cultivation
(D) Botanical Gardens
Answer: Shifting cultivation
23. Which of the following represent maximum number of species among global biodiversity?
(A) Algae
(B) Lichens
(C) Fungi
(D) Mosses and Ferns
Answer: Fungi
24. Prolonged liberal irrigation of agricultural fields is likely to create the problem of
(A) Aridity
(B) Metal toxicity
(C) Salinity
(D) Acidity
Answer: Aridity
25. The greatest problem of water conservation is to reduce the amount of
(A) Precipitation
(B) Runoff water
(C) Groundwater
(D) Evaporation
Answer: Groundwater
26. Maximum nutritional diversity is found in the group:
(A) Monera
(B) Plantae
(C) Fungi
(D) Animalia
Answer: Animalia
27. Which one of the following areas in India, is a hotspot of biodiversity?
(A) Sunderbans
(B) Western Ghats
(C) Eastern Ghats
(D) Gangetic Plain
Answer: Western Ghats
28. Which one of the following is not included under in situ conservation?
(A) National park
(B) Wild life sanctuary
(C) Zoological garden
(D) All of types
Answer: Zoological garden
29. An inexhaustible non-conventional universal source of energy is
(A) Wind energy
(B) Solar energy
(C) Hydrothermal energy
(D) Tidal energy
Answer: Tidal energy
30. Which one of the following expanded forms of the followings acronyms is correct?
(A) IUCN = International Union for Conservation of Nature and Natural Resources
(B) IPCC = International Panel for Climate Change
(C) UNEP = United Nations Environmental Policy
(D) EPA = Environmental Pollution Agency
Answer: IUCN = International Union for Conservation of Nature and Natural Resources
31. Biodiversity is of importance as it offers:
(A) Stability of ecosystems
(B) Stability of atmosphere
(C) Stability of species
(D) Stability of research
Answer: Stability of ecosystems
32. The loss in biodiversity is not attributed to:
(A) Explosion in the human population
(B) Transforming earth’s surface
(C) Destruction of natural habitats
(D) Use of sustainable products
Answer: Use of sustainable products
33. Biodiversity has an aesthetic value to it.
(A) True
(B) False
Answer: True
34. In how many ways does the conservation of biodiversity work?
(A) 5
(B) 2
(C) 3
(D) 4
Answer: 2
35. Which one of the following is not an in-situ conservation method?
(A) Zoo
(B) National Parks
(C) Biosphere Reserves
(D) Sanctuaries
Answer: Zoo
36. Which is an advantage of ex-situ conservation?
(A) Cheap method
(B) Conserve large number of species together
(C) Genetic process for breeding/long life
(D) All of the given
Answer: Genetic process for breeding/long life
37. The area of National Parks range between:
(A) 0.61 to 7818 kms
(B) 0.04 to 3162 kms
(C) 0.14 to 3612 kms
(D) 0.16 to 8718 kms
Answer: 0.04 to 3162 kms
38. The activities of cultivation of land, timber harvesting is permitted in:
(A) Sanctuaries
(B) National Parks
(C) Biosphere Reserves
(D) Protected Areas
Answer: Sanctuaries
39. Hot spot areas have:
(A) Low density of biodiversity
(B) Only endangered plants
(C) High density of hot springs
(D) High density of biodiversity
Answer: High density of biodiversity
40. How many bio-geographical regions are present in India?
(A) 3
(B) 4
(C) 7
(D) 9
Answer: 4
41. Lime is added to the soil which is too
(A) Sandy
(B) Salty
(C) Alkaline
(D) Acidic
Answer: Acidic
42. Which one of the following areas in India, is a hotspot of biodiversity?
(A) Sunderbans
(B) Western Ghats
(C) Eastern Ghats
(D) Gangetic Plain
Answer: Western Ghats
43. Darwin’s finches are a good example of
(A) Convergent evolution
(B) Industrial melanism
(C) Connecting link
(D) Adaptive radiation
Answer: Adaptive radiation
44. Which one of the following is an example ex-situ conservation?
(A) National park
(B) Wildlife sanctuary
(C) Seed bank
(D) Sacred groves
Answer: Seed bank
45. Which one of the following is not observed in biodiversity hotspots?
(A) Species richness
(B) Endemism
(C) Accelerated species loss
(D) Lesser inter-specific competition
Answer: Accelerated species loss
46. Sacred groves are especially useful in
(A) Generating environmental awareness
(B) Preventing soil erosion
(C) Year-round flow of water in rivers
(D) Conserving rare and threatened species
Answer: Conserving rare and threatened species
47. The term Alpha diversity refers to
(A) Genetic diversity
(B) Community and ecosystem diversity
(C) Species diversity
(D) Diversity among the plants
Answer: Species diversity
48. The percentage of forest cover recommended by the National Forest policy (1988) is
(A) 33% for plains and 67% for hills
(B) 37% for plains and 63% for hills
(C) 20% for plains and 70% for hills
(D) 23% for plains and 77% for hills
Answer: 37% for plains and 63% for hills
49. Select the correct statement about biodiversity
(A) The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals
(B) Large scale planting of BT cotton has no adverse effect on biodiversity
(C) Western Ghats have a very high degree of species richness and endemism
(D) Conservation of biodiversity in just a fad pursued by the developed countries
Answer: Western Ghats have a very high degree of species richness and endemism
50. Biodiversity of a geographical region represents
(A) Genetic diversity present in the dominant species of the region
(B) Species endemic to the region
(C) Endangered species found in the region
(D) The diversity in the organisms living in the region
Answer: The diversity in the organisms living in the region
51. Wild life conservation aims at :
(A) Maintaining the ecological process
(B) To enrich the wildlife diversity with exotic species
(C) Preventing migration of species
(D) Maintaining the diversity of life
Answer: To enrich the wildlife diversity with exotic species
52. Because of deforestation, decreased transpiration leads to
(A) less cloud formation
(B) more cloud formation
(C) more water storage
(D) None of the given
Answer: more water storage
53. Plants like Aegle marmelos, Ocimum sanctum and Ficus religiosa are a group of plants designated as
(A) Traditional food crops
(B) Sacred species of plants
(C) Medicinal plant species
(D) Lesser known food plants
Answer: Sacred species of plants
54. –1°C to 13°C annual variations in the intensity and duration of temperature and 50 to 250 cm annual variation in precipitation, account for the formation of major biome as:
(A) Tropical forest
(B) Coniferous forest
(C) Temperate forest
(D) Grassland
Answer: Coniferous forest
55. Sacred groves are especially useful in
(A) Generating environmental awareness
(B) Preventing soil erosion
(C) Year-round flow of water in rivers
(D) Conserving rare and threatened species
Answer: Generating environmental awareness
56. Some of the nutrient cycles are labelled as below: Sulphur cycle
(a), Phosphorus cycle
(b), Carbon cycle
(c) and Nitrogen cycle
(d) Of these, the sedimentary cycle is represented by
(A) (a) only
(B) (b) only
(C) (c) only
(D) (a) and (b) only
Answer: (a) only
57. Study the four statements (a–d) given below and select the two correct ones out of them
(a) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
(b) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates
(c) Predators ultimately lead to the extinction of prey species
(d) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders The two correct statements are:
(A) (a) and (b)
(B) (b) and (c)
(C) (c) and (d)
(D) None of these
Answer: (a) and (b)
58. Which is the right option for the tallest and the smallest Gymnosperm plant?
(A) Eucalyptus and Zamiapygmea
(B) Wolffia globosa and Eucalyptus
(C) Sequoia sempervirens and Zamia pygmea
(D) Sequoia sempervirens and Wolffia globosa
Answer: Sequoia sempervirens and Wolffia globosa
59. Term used for species which is in danger of being extinct in near future is
(A) degradability
(B) extinct
(C) endangered
(D) global biodiversity
Answer: endangered
60. How many biosphere reserves are present in India?
(A) 41
(B) 34
(C) 14
(D) 43
Answer: 41
61. _______ has the maximum genetic diversity in India
(A) Potato
(B) Tea
(C) Mango
(D) None of these
Answer: Mango
62. _________ is one of the most prevalent hotspots of biodiversity in India
(A) Himalayas
(B) Western Ghats
(C) Ganges
(D) None of the above
Answer: Western Ghats
63. Galápagos finches are a good example of ____________
(A) Extinction
(B) Heterochromia
(C) Island gigantism
(D) Adaptive radiation
Answer: Adaptive radiation
64. ______ is one of the least porous soils
(A) Loam
(B) Peat Soil
(C) Clayey soil
(D) None of the above
Answer: Clayey soil
65. ___________ is a non-renewable resource
(A) Crude oil
(B) Uranium
(C) Silica
(D) both A & B
Answer: both A & B
66. __________ is an example of an ex-situ conservation.
(A) Sacred groves
(B) Wildlife sanctuary
(C) Seed bank
(D) National park
Answer: Seed bank
67. __________ is not generally seen in biodiversity hotspots.
(A) Endemism
(B) Species richness
(C) Loss of diversity
(D) Lesser interspecific competition
Answer: Lesser interspecific competition
68. ___________ occurs when the death of the last individual in a species occurs.
(A) Adaptation
(B) Phylogenic diversity
(C) Speciation
(D) Extinction
Answer: Extinction
69. ____________ is defined as an ecological state of a species being unique to a specific geographic location.
(A) Exotic species
(B) Endemic species
(C) Ecosystem
(D) All of the given
Answer: Endemic species
70. _________ is the forest cover to be maintained as per the National Forest Policy (1988)
(A) 67% for hills & 33% for plains
(B) 37% for hills & 11% for plains
(C) 17% for hills & 23% for plains
(D) None of the above
Answer: 67% for hills & 33% for plains
71. ___________ is defined as the number of species represented in a specific region, landscape or an ecological community.
(A) Coevolution
(B) Commensalism
(C) Species richness
(D) Population density
Answer: Species richness
72. Global warming can significantly be controlled by _____________
(A) Increasing solid waste
(B) Reducing water wastage
(C) Burning human-generated waste
(D) Reducing fossil fuel consumption
Answer: Reducing fossil fuel consumption
73. _______ is the basic unit of classification and a taxonomic rank
(A) Species
(B) Genus
(C) Class
(D) Order
Answer: Species
74. Which of the following animals is now extinct?
(A) Tasmanian tiger
(B) Tasmanian devil
(C) Pademelon
(D) Quoll
Answer: Tasmanian tiger
75. MAB program stands for
(A) Man and biotechnology
(B) Material and biology
(C) Man and Biology
(D) Man and Biosphere
Answer: Man and Biosphere
76. Red data book contains data of
(A) all plant species
(B) all animal species
(C) economically important species
(D) threatened species
Answer: threatened species
77. IUCN (The International Union For Conservation Of Nature And Natural Resources) headquarters is at
(A) Morges, Switzerland
(B) Paris, France
(C) Vienna, Austria
(D) NewYork, USA
Answer: Morges, Switzerland
78. IUCN is also called as
(A) Man and Biosphere program
(B) World Conservation Union
(C) World Conservation Consortium
(D) World Wide Conservation Union
Answer: World Conservation Union
79. Which of the following region has maximum diversity
(A) mangrooves
(B) temperate rainforest
(C) taiga
(D) coral reefs
Answer: coral reefs
80. Approximately, 50% of total world species are present on
(A) tropical rain forest
(B) temperate rain forest
(C) temperate deciduous forest
(D) coral reefs
Answer: tropical rain forest
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