CBSE Questions for Class 12 Medical Biology Biodiversity And Its Conservation Quiz 8 - MCQExams.com

Which one will be searched for obtaining maximum genetic diversity?
  • Recent varieties
  • Old varieties
  • Wild relatives
  • All of the above
The conservation of genetic resources within natural ecosystem is
  • Ex situ conservation
  • In situ conservation
  • Both A and C
  • None of the above
Maximum genetic diversity of crop plants occurs where agriculture is
  • Run on commercial lines
  • Advanced
  • Rainfed
  • Primitive
Species diversity increases as one proceeds from
  • High altitude to low altitude and high latitude to low latitude
  • Low altitude to high altitude and high latitude to low latitude
  • Low altitude to high altitude and low latitude to high latitude
  • High altitude to low altitude and low latitude to high latitude
Reason for diversity in living beings is __________________.
  • Short term evolutionary changes
  • Long term evolutionary changes
  • Mutations
  • Gradual change
Tropical region occurs
  • At 2$$3^0$$ N and 2$$3^0$$ S
  • Between 2$$3^0$$ N and 2$$3^0$$ S
  • Between $$0^0$$ and 2$$3^0$$ N
  • Between $$0^0$$ and 2$$3^0$$ S
35 hot spots of the world occupy an area of
  • 0.2%
  • 0.4%
  • 0.8%
  • 2.3%
Number of known species of organisms on this earth is
  • 5.0 million
  • 3.2 million
  • 1.7 million
  • 1.32 million
Number of protected areas around the world is
  • 17000
  • 37000
  • 1700
  • 3700
Number of national parks currently operating in India is
  • 67
  • 78
  • 166
  • 108
Gymnosperm species known from India is
  • 119
  • 209
  • 64
  • 48
Number of wildlife sanctuaries set up in India at present are 
  • 515
  • 417
  • 316
  • 294
A species spread over a large tract with varied environmental conditions will have
  • Higher genetic diversity
  • Uniform gene pool
  • Little genetic diversity
  • Either B or C
Number of ecological hot spots in the world is
  • 10
  • 20
  • 25
  • 36
Convention on Biodiversity came into force on
  • 29 Dec, 1993
  • 6 June, 1992
  • 3 October, 1994
  • 4 October, 1993
Silent valley having rare plants and animals is located in
  • Kerala
  • Karnataka
  • Jammu and Kashmir
  • Andhra Pradesh
Various forms of life should be conserved as they: 
  • Will be lost otherwise
  • Have economic values
  • Contain diverse genetic resources
  • Are important for maintaining balance of nature
In India, we find mangoes with different flavours, colours, fibre content, sugar content and shelf life. The large variation is due to 
  • Genetic diversity
  • Species diversity
  • Induced mutations
  • Hybridisation
Which one is correct pair?
  • Nagarjuna Sagar Sanctuary - Andhra Pradesh
  • Periyar Sanctuary - Karnataka
  • Gir National Park - Uttar Pradesh
  • Corbett National Park - Madhya Pradesh
Diversity of habitats over the total geographical area is
  • Alpha diversity
  • Beta diversity
  • Gamma diversity
  • Delta diversity
  • Omega diversity
Identify the correct match for tiger reserve and its state.
  • Palamau - Odisha
  • Bandipur - T.N.
  • Manas - Assam
  • Corbett - M.P
An in situ method of conservation is
  • Botanical garden
  • National park
  • Genetic engineering
  • Cryopreservation
  • Tissue culture
Dachigam sanctuary is associated with conservation of
  • Hangul/Kashmir Stag
  • Rhino
  • Barking Deer
  • Both B and C
Hot spots of biodiversity are areas with
  • Little biodiversity
  • Maximum biodiversity
  • Maximum conservation
  • Both A and C
India became a party to convention on biological diversity in
  • 1994
  • 1993
  • 1992
  • 1988
Which one is famous for hosting thousands of migratory birds coming from Siberia every winter?
  • Kanha National Park, Balaghat
  • Kaziranga National Park, Assam
  • Corbett National Park, Nainital, Uttarakhand
  • Keoladeo National Park, Bharatpur, Rajasthan
All the following are included under in situ conservation, except
  • Biosphere reserve
  • Sanctuary
  • National park
  • Botanical gardens
Mangrove tiger occurs in
  • Periyar
  • Sunderbans
  • Manas sanctuary
  • Jim corbett
Beta diversity is diversity
  • In a community
  • Between communities
  • In mountain gradient
  • On a plain
Gene library consists of
  • All fragments of a genome
  • Frozen germplasm
  • Tissue culture
  • Living bacteria having clones of genes
Which one is odd combination of habitat and particular animal?
  • Sunderbans - Bengal Tiger
  • Periyar - Elephant
  • Rann of Kutch - Wild Ass
  • Dachigam National Park - Snow Leopard
Hot spot is related to
  • Biodiversity
  • Ecological efficiency
  • Niche
  • Ecological pyramid
Who gave rivet popper hypothesis?
  • E.P. Odum
  • Paul Ehrlich 
  • Ram Deo Misra
  • A. Tansley
Which national park is the new home of Indian one-horned rhinoceros?
  • Kanha
  • Dudhwa
  • Corbett
  • Bandhavgarh
The relation between species richness and area is correctly depicted by
  • log S = log C - Z log A
  • log S = Z log A
  • log S = log C + Z log A
  • log S = log C
  • log C = log S + Z log A
Kanha National Park is located in and is famous for
  • Madhya Pradesh, Tiger
  • Madhya Pradesh, Elephant
  • Odisha, Elephant
  • Assam, Tiger
Arrange in ascending order on the basis of numbers in India.
(1) Biosphere reserves (2) Hotspots (3) National Parks (4) Wildlife sanctuaries
  • 2 1 3 4
  • 2 3 4 1
  • 1 2 3 4
  • 4 3 2 1
Brow Antlered Deer is found in
  • Kaziranga National Park
  • Corbett National Park
  • Keibul Lamjao National Park
  • Bandipur National Park
Which of the following is incorrect?
  • Stellars Sea Cow and Passenger Pigeon got extinct due to over exploitation

  • Lantana and Eichhornia are invasive weed species in India

  • Species diversity increases from equator to poles
  • Convention on biological diversity was held in 1992
  • Among animals, insects are the most species rich taxonomic group
Which is not included under in situ conservation?
  • National park
  • Sanctuary
  • Biosphere reserve
  • Zoological/Botanical garden
The only floating national park in the world is
  • Keibul Lamjao National Park
  • Keoladeo Ghana National Park
  • Chilka Lake Sanctuary
  • Nat Sarovar Sanctuary
India now has
  • 10 Biosphere Reserves, 50 National Parks and 400 Wildlife Sanctuaries
  • 14 Biosphere Reserves, 50 National Parks and 400 Wildlife Sanctuaries
  • 10 Biosphere Reserves, 90 National Parks and 448 Wildlife Sanctuaries
  • 18 Biosphere Reserves, 106 National Parks and 515 Wildlife Sanctuaries
Which one is not used for ex-situ plant conservation?
  • Botanical gardens
  • Field gene bank
  • Seed banks
  • Shifting cultivation
Which one is a biodiversity hotspot?
  • Western Ghats
  • Eastern Ghats
  • Eastern Himalayas
  • Both A and C
Maximum biodiversity is found in
  • Tropical rain forests
  • Temperate rain forests
  • Mangrove vegetation
  • Tundra
Which scientist proposed alphaα types species diversity?
  • Bentham and Huxley
  • Linnaeus
  • Whittaker
  • Eichler
Which of the following is referred as Evil Quartet with reference to loss of biodiversity?
  • Species richness, extinctions, deforestation, erosion
  • Habitat loss and fragmentation, overexploitation, alien species invasion, co-extinction
  • Overexploitation, grazing, decompositon, extinction
  • Habitat destruction, co-extinction, deforestation, species richness
  • Grazing, erosion, deforestation, species richness
India is one of the twelve megadiversity countries with ______ of genetic resources of the world.
  • 12.1%
  • 18.1%
  • 38.1%
  • 8.1%
Kokkarebellur bird sanctuary is located in 
  • Mandya
  • Mysore
  • Chamarajnagar
  • Hassan
The concept of hotspot was first introduced by
  • Mayer
  • Simpson
  • Myers
  • David
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