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NEET Biology MCQ
Biodiversity And Its Conservation Mcq
Quiz 3
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Q.1
Species endangered but with unknown cause is .... ... [M.H.T.C.E.T. 2011]
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a) Rare
0%
b) Vulnerable
0%
c) Intermediate
0%
d) Indeterminate
Explanation
The indeterminate species are those species which are considered under the category of threatened species. Such species are defined under the IUCN red book data as the species which are under the threat. These species cannot be categorized into extinct, vulnerable, endangered and rare category appropriately. Answer : (d)
Q.2
Beta diversity is diversity .... .... [Pb P.M.T. 2007]
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a) In a community
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b) Between communities
0%
c) In mountain gradient
0%
d) On a plain
Explanation
Beta diversity ( Between communities diversity): It is diversity which appears in a along gradient of habitat within geographical area replacement of species with the change in communities due to different microhabitat, niches and difference in environmental condition. Answer : (b)
Q.3
Which of the following is not done in a wildlife sanctuary? .... .... [B.H.U. 2005]
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a) Conservation of fauna
0%
b) Conservation of flora
0%
c) prohibition of hunting
0%
d) Exploitation of soil and flora
Explanation
A wildlife sanctuary is an area where animal habitats and their surroundings are protected from any sort of disturbance. Functions: 1)A wildlife sanctuary Provides protection and suitable living conditions to the wild animals in their natural habitat. 2)In a wildlife sanctuary killing and capturing of wild animals is strictly prohibited. 3)It does not allow any human activity which disturbs the wild animals or their habitat. Answer : (d)
Q.4
Species endangered due to low reproduction rate is .... .... [M.P.P.M.T. 2007]
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a) Giant Panda
0%
b) Lion
0%
c) Bald Eagle
0%
d) Island Species
Explanation
The giant panda is a vulnerable species, threatened by continued habitat loss and habitat fragmentation, and by a very low birthrate, both in the wild and in captivity. In 2016, the IUCN reclassified the species from "endangered" to "vulnerable", affirming decade-long efforts to save the panda. Answer : (a)
Q.5
Germplasm collection is .... .... [D.P.M.T. 2011]
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a) Collection of all species of the area in herbarium or botanical garden
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b) Collection of modern varieties of a crop
0%
c) Collection of plants or seeds having diverse alleles of all the genes of a crop
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d) Collection of seeds or pollen of rare and threatened species of a group or Area
Explanation
Germplasm are living genetic resources such as seeds or tissues that are maintained for the purpose of animal and plant breeding, preservation, and other research uses. These resources may take the form of seed collections stored in seed banks, trees growing in nurseries, animal breeding lines maintained in animal breeding programs or gene banks, etc. Germplasm collections can range from collections of wild species to elite, domesticated breeding lines that have undergone extensive human selection. Germplasm collection is important for the maintenance of biological diversity and food security. Answer : (c)
Q.6
'Red Data Book' or IUCN Red List provides data on .... .... [D.P.M.T.2005]
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a) Biota of Red Sea
0%
b) Effect of red light
0%
c) Red pigmented plants
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d) Threatened species
Explanation
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species (also known as the IUCN Red List or Red Data Book), founded in 1964, is the world's most comprehensive inventory of the global conservation status of biological species. Answer : (d)
Q.7
Choose the wrongly matched pair .... ..... [Kerala 2012]
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a) World summit on Sustainable Development 2002 - Johannesburg
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b) Carrot grass - Lantana
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c) Amazon rain forests - Lungs of Planet
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d) Khasi and Jaintia Hills – Meghalaya
Explanation
Amazon rain forest covers a wide area of land's surface. Thus it is called as 'lungs of planet'. The Khasi and Jaintia Hills are a mountainous region that was mainly part of Assam and Meghalaya. This area is now part of the present Indian constitutive state of Meghalaya. The World Summit on Sustainable Development (WSSD) met from 26 August to 4 September 2002, in Johannesburg, South Africa. Its goal was to hold a 10-year review of the 1992 UN Conference on Environment and Development and to reinvigorate global commitment to sustainable development. Parthenium hysterophorus is a species of flowering plant in the aster family, Asteraceae. In India, it is locally known as carrot grass, congress grass or Gajar Ghas. Answer : (b)
Q.8
Ranganathittu Sanctuary (Mysore) is known for population of .... ..... [ K.C.E.T.1993]
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a) Bison
0%
b) Tiger
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c) Goats
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d) Birds
Explanation
Ranganathittu Bird Sanctuary, is a bird sanctuary in the Mandya District of the state of Karnataka in India. It is the largest bird sanctuary in the state Answer : (d)
Q.9
Wildlife is destroyed most when ..... ..... [Pb.P.M.T. 2012]
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a) There is lack of proper care
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b) Mass scale hunting for foreign trade
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c) Its natural habitat is destroyed
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d) Natural calamity
Explanation
Causes of biodiversity losses: The accelerated rates of species extinctions that the world is facing now are largely due to human activities. There are four major causes (‘ The Evil Quartet’ is the sobriquet used to describe them) 1) Habitat loss and fragmentation 2) Over-exploitation 3) Alien species invasions 4) Co-extinctions Answer : (c)
Q.10
A taxon likely to become endangered if prevailing conditions persist is .... .... [K.C.E.T. 2007]
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a) Rare
0%
b) Extinct
0%
c) Vulnerable
0%
d) Endangered
Explanation
Answer : (c)
Q.11
Conservation of organisms in natural habitat is called .... ..... [Odisha 2010]
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a) ex situ conservation
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b) In situ conservation
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c) Both A and B
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d) None
Explanation
Answer : (b)
Q.12
Interior region of biosphere where natural environment is maintained, biodiversity and genetic complex is protected and human activity is forbidden .... ..... [Guj.C.E.T. 2010]
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a) Buffer zone
0%
b) Core zone
0%
c) Transition zone
0%
d) All
Explanation
Each biosphere reserve has: i) Core or Natural zone: No human activity is allowed. The area is undisturbed and legally protected ecosystem. ii) Buffer zone: It surrounds the core area. Limited human activity is allowed like resource use strategies research and education. iii) Transition zone: It is the outermost or peripheral part of biosphere reserve where an active cooperation is present between reserve management and local people for activities like settlements, cropping recreation, forestry and other economic uses without disturbing ecology. Transition zone has different parts like forestry, agriculture, tourism and restoration region. Restoration region is degraded area which is selected for restoration to near natural form. Answer : (b)
Q.13
Which one is endangered species? .... ..... [Har P. M.T. 2000]
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a) Cuscuta
0%
b) Acacia nilotica
0%
c) Nepenthes
0%
d) Both B and C
Explanation
Nepenthes khasiana is an endangered tropical pitcher plant of the genus Nepenthes. It is the only Nepenthes species native to India. Answer : (c)
Q.14
One of the following has maximum genetic diversity in India .... .... [C.B.S.E 2009]
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a) Teak
0%
b) Wheat
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c) Tea
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d) Mango
Explanation
India has more than 50,000 genetically different strains of rice, and 1,000 varieties of mango. Answer : (d)
Q.15
The term a-diversity refers to .... ..... [W.B. 2010]
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a) Genetic diversity
0%
b) Community and ecosystem diversity
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c) Diversity among the plants
0%
d) Species diversity
Explanation
Alpha diversity ( within community diversity): It is a species diversity. α – diversity is dependent upon species richness and evenness. There is a lot of competition, adjustments and inter relationships amongst members of the same community. Variations are limited. Answer : (d)
Q.16
A species restricted to a given area is .... .... [C.P.M.T. 1999]
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a) Endemic species
0%
b) Allopatric species
0%
c) Sympatric species
0%
d) Sibling species
Explanation
Endemic species are those plants and animals that exist only in one geographical region. Species can be endemic to large or small areas of the world. Answer : (a)
Q.17
All the following are included under in situ conservation expect ..... ..... [K.C.E.T. 2009]
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a) Biosphere reserve
0%
b) Sanctuary
0%
c) National Park
0%
d) Botanical Gardens
Explanation
In in-situ conservation, the endangered species are protected in their natural habitat so that the entire ecosystem is protected. Country’s in situ conservation efforts are reflected in its biosphere reserves, national parks, wildlife sanctuaries and many sacred groves. Answer : (d)
Q.18
Animals and plants are best protected in .... .... [Har .P.M.T. 1994]
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a) Botanical gardens
0%
b) Zoos
0%
c) National Park
0%
d) Sanctuaries
Explanation
A park in use for conservation purposes is known as a National park. It is basically a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns. Flora and fauna are provided immense protection in such areas. Currently, in India, we have 166 national parks. Answer : (c)
Q.19
Which one is endangered animal ..... .... [D.P.M.T. 2001]
0%
a) Lion tailed macaque
0%
b) Hanuman monkey
0%
c) Langur
0%
d) Antelope
Explanation
Antelope: Least concern Lion tailed macaque: Endangered Langur: Least concern Answer : (a)
Q.20
Which is incorrect .... .... [Kerala 2011]
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a) Stellar's Sea cow and passenger pigeons got extinct due to over exploitation
0%
b) Lantana and eichhornia are invasion weed species in India
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c) Species diversity increases from equals to poles
0%
d) Among animals, insects are the most species rich taxonomic group
Explanation
Many species extinctions in the last 500 years (Steller’s sea cow, passenger pigeon) were due to overexploitation by humans. Invasive weed species like carrot grass (Parthenium), Lantana and water hyacinth (Eicchornia), cause decline or extinction of indigenous species. species diversity decreases as we move away from the equator towards the poles. Among animals, insects are the most species-rich taxonomic group, making up more than 70 per cent of the total. Answer : (c)
Q.21
Which one is not endangered? .... .... [A.M.U. 2003]
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a) Asiatic Wild Ass
0%
b) Idri idri
0%
c) Lion Tailed Macaque
0%
d) Addax Antelopes
Explanation
Answer : (d)
Q.22
Venue and year of Earth Summit on Conservation of Biodiversity was .... .... [Kerala 2008]
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a) South Africa, 2002
0%
b) Rio de Janeiro, 1992
0%
c) Ramsar, 1974
0%
d) Stockholm, 1994
Explanation
The World Summit on Sustainable Development (WSSD) was held in Johannesburg in 2002 to review progress since the Rio conference in 1992, and to agree a new global deal on sustainable development. Answer : (b)
Q.23
Tiger reserves in India for 'Project Tiger' are .... ..... [B.H.U.1996]
0%
a) More than 16
0%
b) 14 - 16
0%
c) 12 - 14
0%
d) 10
Explanation
The tiger reserves of India were set up in 1973 and are governed by Project Tiger, which is administrated by the National Tiger Conservation Authority. Until 2018, 50 protected areas have been designated tiger reserves. Answer : (a)
Q.24
Population limited to a particular area is known as .... ..... [J.K.C.E.T. 2012]
0%
a) Endemic
0%
b) Pandemic
0%
c) Natural
0%
d) Alien
Explanation
Endemic species are plant and animal species that are found in a particular geographical region and nowhere else in the world. Answer : (a)
Q.25
Species listed in Red Data Book are .... .... [Odisha 2004]
0%
a) Vulnerable
0%
b) Threatened
0%
c) Endangered
0%
d) All
Explanation
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species (also known as the IUCN Red List or Red Data Book), founded in 1964, is the world's most comprehensive inventory of the global conservation status of biological species. Crtically endangered, endangered and vulnerable are three sub-categories of threatened species. Answer : (d)
Q.26
Identify the correct match for tiger reserve and its state .... .... [C.B.S.E. 1995]
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a) Palamau - Odisha
0%
b) Bandipur - T.N
0%
c) Manas - Assam
0%
d) Corbett - M.P
Explanation
Palamau tiger reserve: Jharkhand Bandipur tiger reserve: Karnataka Manas national park: Assam Corbett national park: Uttarakhand Answer : (c)
Q.27
Gene library consists of .... .... [M.H.T.C.E.T. 2008]
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a) All fragments of a genome
0%
b) Frozen germplasm
0%
c) Tissue culture
0%
d) Living bacteria having clones of genes
Explanation
Gene Library. A gene library is a collection of single cells (usually bacteria), each of which has received a single segment of DNA usually carried by a plasmid, bacteriophage, or viral vector, the DNA segments having been derived from genomic DNA or cDNA Answer : (d)
Q.28
Establishment of National Park and sanctuaries is a strategy for .... ... [C.O.M.E.D.-K’s 2010]
0%
a) Conservation of wildlife
0%
b) Studying wildlife biology
0%
c) Creating awareness about wildlife
0%
d) Preventing wild animals entering villages
Explanation
The purpose of establishing several Biosphere Reserve, Wildlife Sanctuaries and National Parks in India to conserve and protect the endangered species. To maintain the ecological balance and also to give the shelter to the endemic species. Answer : (a)
Q.29
Ranthambore National Park is situated in .... .... [C.B.S.E. 1994]
0%
a) Maharashtra
0%
b) Rajasthan
0%
c) Gujarat
0%
d) U.P
Explanation
Ranthambore National Park is a vast wildlife reserve near the town of Sawai Madhopur in Rajasthan, northern India. Answer : (b)
Q.30
Biodiversity of geographical region represents .... .... [C.B.S.E. 2011]
0%
a) Endangered species found in the region
0%
b) Diversity in the organisms living in the region
0%
c) Genetic diversity in the dominant species
0%
d) Species endemic to the region
Explanation
Biological diversity can be defined as the vast array of species of micro-organisms, algae, fungi, plants, animals occurring on the earth either in the terrestrial or aquatic habitats and the ecological complexes of which they are a apart Answer : (b)
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