CBSE Questions for Class 12 Medical Biology Biodiversity And Its Conservation Quiz 1 - MCQExams.com

Which is the national aquatic animal of India?
  • Gangetic shark
  • River dolphin
  • Blue whale
  • Sea - horse
Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to
  • Western Ghat
  • Meghalaya
  • Corbett National Park
  • Keoladeo Ghana National Park
Select the correct statement about biodiversity.
  • Large scale planting of $$Bt$$ cotton has no adverse effect on biodiversity.
  • Western Ghats have a very high degree of species richness and endemism.
  • Conservation of biodiversity is just a fad pursued by the developed countries.
  • The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals.
Which one of the following is not used for ex situ plant conservation?
  • Field gene banks
  • Seed banks
  • Shifting cultivation
  • None of the above
How many hot spots of biodiversity in the world have been identified till date by Norman Myers?
  • 34
  • 43
  • 17
  • 25
Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as
  • In situ conservation by sacred groves.
  • In situ cryo-conservation of biodiversity.
  • In situ conservation of biodiversity.
  • Advanced ex-situ conservation of biodiversity.
Which one of the following is a characteristic feature of cropland  ecosystem?
  • Absence of soil organisms
  • Least genetic diversity
  • Absence of weeds
  • Ecological succession
Which of the following National Parks is home to the famous musk deer or Hangul? 
  • Eaglenest Wildlife Sanctuary, Arunachal radesh
  • Dachigam National Park, Jammu and Kashmir
  • Keibul Lamjao National Park, Manipur
  • Bandhavgarh National Park, Madhya Pradesh
In which of the following both pairs have correct combination?
  • In situ conservation : Seed Bank

    Ex situ conservation : National Park
  • In situ conservation : Tissue culture

    Ex situ conservation : Sacred groves
  • In situ conservation : National Park

    Ex situ conservation : Botanical Garden
  • In situ conservation : Cryopreservation

    Ex situ conservation : Wildlife Sanctuary
Which one of the following is related to Ex-situ conversation of threatened animals and plants?
  • Himalayan region
  • Wildlife Safari parks
  • Biodiversity hot spots
  • Amazon rainforest
All of the following are included in 'Ex-situ conservation' except
  • Botanical garden
  • Wildlife safari parks
  • Seed banks
  • Sacred groves
According to Robert May, the global species diversity is about
  • 20 million
  • 50 million
  • 7 million
  • 1.5 million
National bird of India is
  • Psittacula
  • Passer domesticus
  • Pavo cristatus
  • Parakeet
Which one of the following pairs of geographical areas show maximum biodiversity in our country?
  • Sunderbans and Rann of Kutch
  • Eastern Ghats and West Bengal
  • Eastern Himalaya and Western Ghats
  • Kerala and Punjab
Beta diversity is diversity
  • In a community
  • Between communities
  • In a mountain gradient
  • On a plain
Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavour, colour, sugar and fleshy counter is due to
  • Genetic diversity
  • Species diversity
  • Induced mutation
  • Hybridisation
Genetic diversity in agricultural crops is threatened by
  • Introduction of high yielding varieties
  • Intensive use of fertilizers
  • Extensive intercropping
  • Intensive use of biopesticides
Which of the following has highest diversity in India?
  • Mango
  • Dolphin
  • Tiger
  • Orchids
Kaziranga wildlife sanctuary is located in
  • Uttar Pradesh
  • Gujarat
  • Jammu and Kashmir
  • Assam
The first white tiger in the world was found in
  • Gir in Saurasthra
  • Rewa in Madhya Pradesh
  • Sunderbans in Bengal
  • Corbett national park in Uttaranchal
Which one of these is an in-situ method of conservation?
  • National park
  • Botanical garden
  • Tissue culture
  • Genetic engineering
Convention of biodiversity came into force on
  • 29 December 1993
  • 6 June 1992
  • 3 October 1994
  • 4 October 1993
Ecological hot spots present in India are
  • One
  • Two
  • Three
  • Four
The 'Ranthambore National Park' is located in
  • Maharashtra
  • Uttar Pradesh
  • Gujarat
  • Rajasthan
A well known bird sanctuary of our country is situated at
  • Bandipur
  • Kaziranga
  • Palamu
  • Bharatpur
The term hot spot for high diversity ecological regions was coined by
  • IUCN
  • Myers
  • Odum
  • Kormandy
Wildlife conservation means the protection and preservation of
  • Ferocious wild animals only
  • Wild plants only
  • Non-cultivated plants and non-domesticated animals
  • All the above living in natural habitat
Conservation of organisms in natural habitat is called as
  • Ex situ conservation
  • In situ conservation
  • Both A and B
  • None of the above
Hotspots of biodiversity means
  • Areas of the Earth, that contain many endemic species.
  • Species serves as proxy for entire communities in particular area.
  • Species in particular niche / area.
  • Species diversity at particular area.
Flamingos reproduce in
  • Chilka lake
  • Sambhar lake
  • Kutch
  • Mansarovar
The venue and year of the Earth summit on conservation of biodiversity was
  • South Africa, 2002
  • Rio de Jeneiro, 1992
  • Johannesburg, 2004
  • Stockholm, 1974
  • Ramsar, 1974
Nowadays, rhino is present in
  • Asia
  • Africa
  • America
  • Africa and Asia
At present, the lions (Panthera leo) are found only in
  • Africa
  • India
  • Both India and Africa
  • Zoos
Which of the following represents the biodiversity of an area?
  • Gene
  • Species
  • Ecosystem
  • All of the above
Hippopotamus is found in
  • Amazon river
  • Nile river
  • Ganges river
  • Darling river
Manas sanctuary is located at
  • Rajasthan
  • Assam
  • Bihar
  • Gujarat
Which animal is symbol of 'World Wide Fund for Nature'?
  • Red panda
  • Polar bear
  • Lion
  • None of the above
The largest Indian poisonous snake is
  • Python
  • Krait
  • Cobra
  • Sea snake
The conversion of natural resources within natural ecosystem is
  • Exsitu conservation
  • In situ conservation
  • Both A and B
  • None of the above
The totality of genes, species and ecosystems of a region is known as
  • Biosphere
  • Biodiversity
  • Bioconservation
  • Biocommunity
The state which has named all its tourist resorts after birds is
  • Punjab
  • Haryana
  • Andhra Pradesh
  • Uttarpradesh
The difference between different living things with respect to their appearance and mode of life is called _______.
  • Classification
  • Biodiversity
  • Evolotion
  • All of the above
Percentage of insect species out of the total known organisms is
  • 75
  • 61
  • 53
  • 47
Alpha diversity is biodiversity present
  • Within community
  • Between community
  • Ranges of communities
  • All of the above
Number of mammal species recorded in India is 
  • 64
  • 209
  • 119
  • 309
Ecological hot spots present in India are
  • One
  • Two
  • Three
  • Four
Biodiversity is determined by
  • Number of individuals in an area
  • Species richness
  • Evenness
  • Both B and C
The name of Smt. Thimmakka is associated with the
  • Planting and conservation of avenue trees
  • Agitations against hydroelectric projects
  • 'Appiko' movement
  • Conservation of fuana and flora of the western ghats.
The term hot spot for high diversity ecological regions was coined by
  • IUCN
  • Myers
  • Odum
  • Kormandy
Rate of replacement of species along a gradient of habitats/communities is called 
  • $$\alpha$$ - diversity
  • $$\beta$$ - diversity
  • $$\gamma$$ - diversity
  • $$\omega$$ - diversity
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