Refer to CBSE Class 12 Biology Biodiversity and Conservation MCQs provided below. CBSE Class 12 Biology MCQs with answers available in Pdf for free download. The MCQ Questions for Class 12 Biology with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 12 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 15 Biodiversity and Conservation are an important part of exams for Class 12 Biology and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 12 Biology and also download more latest study material for all subjects
MCQ for Class 12 Biology Chapter 15 Biodiversity and Conservation
Class 12 Biology students should refer to the following multiple-choice questions with answers for Chapter 15 Biodiversity and Conservation in Class 12. These MCQ questions with answers for Class 12 Biology will come in exams and help you to score good marks
Chapter 15 Biodiversity and Conservation MCQ Questions Class 12 Biology with Answers
Question : Biodiversity describes the study of diversity
a) below species level.
b) at species level.
c) at community level.
d) at all levels of biological organization.
Answer : D
Question : Alpha diversity is present
a) within community.
b) between community.
c) ranges of communities.
d) all of the above.
Answer : A
Question : Diversity between two communities is called
a) alpha diversity
b) beta diversity
c) gamma diversity
d) none of these
Answer : B
Question : Which one of the following pairs of geographical areas show maximum biodiversity in our country?
a) Sunderbans and Rann of Kutch
b) Eastern Ghats and West Bengal
c) Eastern Himalaya and Western Ghats
d) Kerala and Punjab
Answer : C
Question : IUCN stands for
a) Indian Union for Conservation of Nature
b) International Union for Conservation of Nature
c) Indian Union for Chemical Nomenclature
d) International Union for Conservation of Nutrients
Answer : B
Question : According to IUCN 2004, the total number of plant and animal species described so far is slightly more than
a) 5 million
b) 7 million
c) 1.5 million
d) 0.5 million
Answer : C
Question : More than 70% of all the species recorded so far, are
a) insects
b) plants
c) animals
d) invertebrates
Answer : C
Question : Exotic species
a) are often endangered.
b) usually increase biodiversity.
c) often enhance the habitat for native species.
d) usually reduce biodiversity.
Answer : D
Question : The highest number of species in the world is represented by
a) algae
b) lichens
c) fungi
d) mosses
Answer : C
Question : Which of the following is not the example of recent extinction
a) Steller’s sea cow
b) Dodo
c) Quagga
d) Pigeon
Answer : D
Question : Which of the following countries has the highest biodiversity?
a) Brazil
b) South Africa
c) Russia
d) India
Answer : Brazil
Question : Which of the following is not a cause for loss of biodiversity?
a) Keeping animals in zoological parks
b) Invasion by alien species
c) Destruction of habitat
d) Over-exploitation of natural resources
Answer : Keeping animals in zoological parks
Question : Which of the following is not an invasive alien species in the Indian context?
a) Cynodon
b) Parthenium
c) Eichhornia
d) Lantana
Answer : Cynodon
Question : Where among the following will you find pitcher plant?
a) Rain forest of North-East India
b) Sunderbans
c) Thar Desert
d) Western Ghats
Answer : Rain forest of North-East India
Question : Which one of the following is not a major characteristic feature of biodiversity hot spots?
a) Destruction of habitat
b) Large number of exotic species
c) Abundance of endemic species
d) Large number of species
Answer : Destruction of habitat
Question :
a) i-c, ii-a, iii-d, iv-b
b) i-c, ii-a, iii-b, iv-d
c) i-d, ii-c, iii-a, iv-b
d) i-a, ii-c, iii-b, iv-d
Answer : i-c, ii-a, iii-d, iv-b
Question : What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
a) All are prone to over exploitation
b) All are phylogenic link species
c) All are ornamental plants
d) All are exclusively present in the Eastern Himalayas
Answer : All are prone to over exploitation
Question : _______ has the maximum genetic diversity in India
a) Mango
b) Tea
c) Potato
d) Teak
Answer : Mango
Question : _________ is one of the most prevalent hotspots of biodiversity in India
a) Western Ghats
b) Himalayas
c) Ganges
d) None of these
Answer : Western Ghats
Question : Alexander Von Humbolt described for the first time
a) Species area relationships
b) Species area relationships
c) Species area relationships
d) None of these
Answer : Species area relationships
Question : The one-horned rhinoceros is specific to which of the following sanctuary
a) Kaziranga
b) Corbett park
c) Bandipur
d) Bhitar Kanika
Answer : Kaziranga
Question : Amongst the animal groups given below, which one has the highest percentage of endangered species?
a) Amphibians
b) Reptiles
c) Mammals
d) Insects
Answer : Amphibians
Question : Which one of the following is an endangered plant species of India?
a) All of the
b) Cycas beddonei
c) Santalum album (Sandal wood)
d) Rauwolfia serpentina
Answer : All of the
Question : What is common to Lantana, Eichhornia and African catfish?
a) All the species are neither threatened nor indigenous species of India.
b) All are mammals found in India.
c) All are key stone species
d) All are endangered species of India
Answer : All the species are neither threatened nor indigenous species of India.
Question : The extinction of passenger pigeon was due to
a) Over exploitation by humans
b) Non-availability of the food.
c) Bird flu virus infection
d) Increased number of predatory birds
Answer : Over exploitation by humans
Question : Which of the following statements is correct?
a) African catfish is not a threat to indigenous catfishes
b) Parthenium is an endemic species of our country.
c) Steller’s sea cow is an extinct animal.
d) Lantana is popularly known as carrot grass
Answer : African catfish is not a threat to indigenous catfishes
Question : Which of the following National Parks is home to the famous musk deer or hangul?
a) Dachigam National Park, Jammu & Kashmir
b) Eaglenest Wildlife Sanctuary, Arunachal Pradesh
c) Bandhavgarh National Park, Madhya Pradesh
d) None of these
Answer : Dachigam National Park, Jammu & Kashmir
Question : Joint Forest Management Concept was introduced in India during
a) 1980 s
b) 1990 s
c) 1970 s
d) 1960 s
Answer : 1980 s
Question : Which is an example of an ex-situ conservation
a) Seed bank
b) National park
c) Wildlife sanctuary
d) Sacred groves
Answer : Seed bank
Question : Which is not generally seen in biodiversity hotspots.
a) Lesser interspecific competition
b) Loss of diversity
c) Species richness
d) Species richness
Answer : Lesser interspecific competition
Question : Which vertebrate group is more vulnerable to extinction?
a) Birds
b) Amphibians
c) Mammals
d) Fishes
Answer : B
Question : From origin of life to its diversification on earth, there have occurred following number of episodes of mass extinction.
a) Two
b) Three
c) Four
d) Five
Answer : D
Question : The ‘Evil Quartet’ of biodiversity loss, does not include
a) habitat loss
b) introduction of alien species
c) o-exploitation
d) hunting
Answer : D
Question : Amazon rain forest, called the ‘Lungs of the Planet’, contribute following percentage of oxygen by photosynthesis, to earth atmosphere
a) 20%
b) 35%
c) 42%
d) 50%
Answer : A
Question : The taxa believed likely to join the endangered category in near future is called
a) Rare
b) Extinct
c) Vulnerable
d) Living fossil
Answer : C
Question : The Cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of _________.
a) North American sturgeon
b) Nile perch
c) Eels
d) Bass
Answer : B
Question : Which of the following is not currently a major cause of the global reduction in biodiversity?
a) Overexploitation
b) Global warming
c) Habitat destruction
d) Introduction of foreign predators and disease
Answer : B
Question : Which of the following is the most serious threat to biodiversity?
a) Competition from exotic species
b) Commercial harvesting
c) Habitat loss
d) Overexploitation
Answer : C
Question : Which of the following characteristics would cause a country to be considered a high-priority region for conservation efforts?
a) A high degree of endemism
b) Having low species richness
c) Having little natural habitat remaining
d) All of the above
Answer : A
Question : Which of the following is not the approach for in-situ conservation ?
a) Biosphere reserve
b) Sanctuary
c) Wild life safari park
d) Sacred groove
Answer : C
Question : Among the ecosystem mentioned below, where can one find maximum biodiversity?
a) Coral reefs
b) Alpine meadows
c) Desert
d) Mangroves
Answer : A
Question : Which of the following forests is known as the ‘lungs of the planet Earth’?
a) Amazon rain forest
b) Tundra forest
c) Tiaga forest
d) Rain forests of North East India
Answer : A
Question : The active chemical drug reserpine is obtained from
a) Rauwolfia
b) Datura
c) Atropa
d) Papaver
Answer : A
Question : Which of the following group of plants exhibit more species diversity?
a) Fungi
b) Bryophytes
c) Algae
d) Angiosperms
Answer : A
Question : Which of the below mentioned regions exhibit less seasonal variations?
a) Tropics
b) Temperates
c) Alpines
d) None of these
Answer : A
Question : The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as:
a) The Earth Summit
b) G-16 Summit
c) CITES Convention
d) MAB Programme
Answer : A
Question : What is common to the techniques (i) in vitro fertilisation, (ii) Cryo preservation and (iii) tissue culture?
a) All are ex situ conservation methods
b) All are in situ conservation methods
c) All require ultra modern equipment and large space
d) All are methods of conservation of extinct organisms
Answer : A
Question : Which of the following is the most important cause of animals and plants being driven to extinction ?
a) Habitat loss and fragmentation
b) Co-extinctions
c) Alien species invasion
d) None of these
Answer : A
Question : Which is the National Aquatic Animal of India ?
a) River dolphin
b) Blue whale
c) Sea-horse
d) All of these
Answer : A
Question : Which is defined as an ecological state of a species being unique to a specific geographic location
a) Endemic species
b) Ecosystem
c) Ecosystem
d) None of these
Answer : A
Answer : A
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