Biodiversity & Conservation (8 Jan) - Live Session - NEET 2020 Contact Number: 9667591930 / 8527521718Biodiversity & Conservation (8 Jan) - Live Session - NEET 2020 Contact Number: 9667591930 / 8527521718In the following pie chart of global invertebrate diversity, what does A and B represent?
(1) A – Molluscs, B – Crustaceans
(2) A – Insects, B – Molluscs
(3) A – Crustaceans, B – Molluscs
(4) A – Molluscs, B – Insects
India has ____% of the world’s land area, its share of the global species diversity is an impressive ____% . (1) 8.1, 2.4
(2) 22, 12
(3) 12, 22
(4) 2.4, 8.1
What is the approximate ratio of animals and plants species in our country?
(1) 3 : 1
(2) 2 : 1
(3) 1 : 3
(4) 1 : 2
Species-area relationships among very large areas like the entire continents the Z values in the range of
(1) 0.1 to 0.2
(2) 1.15
(3) 0.3 to 0.6
(4) 0.6 to 1.2
Which of the following ecologist gave ‘rivet popper’ hypothesis?
(1) David Tillman
(2) Alexander Von Humboldt
(3) Robert May
(4) Paul Ehrlich
Match the column I with column II
Column I Column II
a. Thylacine (i) Russia
b. Dodo (ii) Mauritius
c. Quagga (iii) Australia
d. Steller’s sea cow (iv) Africa
(1) a(ii), b(iii), c(i), d(iv)
(2) a(iv), b(i), c(ii), d(iii)
(3) a(iii), b(iv), c(ii), d(i)
(4) a(iii), b(ii), c(iv), d(i)
IUCN Red List (2004) documents the extinction of A species in the last B years.
(1) A – 500, B – 300
(2) A – 784, B – 500
(3) A – 654, B – 500
(4) A – 984, B – 300
Loss of biodiversity in a region may lead to all of the following, except
(1) Decline in plant production
(2) Lowered resistance to environment perturbations
(3) Increased variability in certain ecosystem processes
(4) Increased endemism
Presently A % of all mammal species and B % of all gymnosperm species in the world face threat of extinction.
(1) A– 32, B– 12
(2) A– 22, B– 31
(3) A– 23, B– 31
(4) A– 31, B– 23
Which of the following is the most important cause driving animals and plants to extinction?
(1) Alien species invasions
(2) Co-extinctions
(3) Habitat loss and fragmentation
(4) Over-exploitation
Extinction of more than 200 species of cichlid fish in lake Victoria was due to introduction of
(1) African catfish
(2) Nile perch
(3) Clarias gariepinus
(4) Lantana
When a host fish species becomes extinct, its unique assemblage of parasites also meets the same fate. It is an example of
(1) Co-extinction
(2) Alien species invasion
(3) Over-exploitation
(4) Habitat loss
Bio-prospecting is exploring molecular, genetic and species level diversity for products of
(1) Ecosystem services
(2) Economic benefits
(3) Aesthetic pleasures
(4) Both (1) & (3)
How many biodiversity hot spots have been identified in the world?
(1) 30
(2) 3
(3) 34
(4) 20
“When we conserve and protect the whole ecosystem, its biodiversity at all levels is protected.” This approach includes all of the following, except
(1) Biosphere reserves
(2) Seed bank
(3) National parks
(4) Sanctuaries
Mark the correct match
(1) Wildlife sanctuaries in India – 90
(2) Sacred groves – On-site conservation
(3) Western Ghat – Rajasthan and M.P.
(4) National park in India – 448
In which of the following method threatened animals are taken out from natural habitat and placed in special setting?
(1) Zoological park
(2) Botanical garden
(3) Biosphere reserves
(4) Both (1) & (2)
How many countries pledged their commitment to achieve by 2010, a significant reduction in the current rate of biodiversity loss at global, regional and local levels in the World Summit held in 2002?
(1) 119
(2) 121
(3) 190
(4) 195
Which is not true regarding genetic diversity?
(1) It enables a population to adapt to its environment
(2) It is also basis of speciation
(3) Ecotype formation depends upon it
(4) Higher diversity increases uniformity
Regional diversity is also called
(1) Alpha diversity
(2) Beta diversity
(3) Gamma diversity
(4) Ecosystem diversity
India covers the world land area of _____ and contributes the global diversity of _______.
(1) 4%, 8%
(2) 8.1%, 2.4
(3) 2.4%, 8.1%
(4) 8%, 4%
Select an incorrect statement with respect to biodiversity
(1) Mountain peaks are more diverse than foot hills
(2) Valley’s are more diverse than mountain peaks
(3) Shade sides are more diverse than sun sides of mountains
(4) Western ghats are more diverse than eastern ghats
Read the following statements:
(A) Tropics harbour more species than temperate or polar areas.
(B) Colombia located near the equator has nearly 1400 species of birds.
(C) India has less than 105 species of birds.
(1) (A) & (B) are incorrect
(2) (B) & (C) are incorrect
(3) (A) & (C) are incorrect
(4) Only (C) is incorrect
Which of the following statement is wrong?
(1) A stable community should show much variation in productivity from year to year
(2) According to Tillman’s long term ecosystem experiments increased diversity contributed to higher productivity
(3) Stable community must be resistant to occasional disturbances
(4) Rich biodiversity is essential for ecosystem health but imperative for the very survival of the human race on this planet
Number of red list categories prepared by WCU (IUCN) is
(1) 6
(2) 7
(3) 8
(4) 9
According to IUCN, when a taxon is facing an extremely high risk of extinction in the immediate future, it is
(1) Extinct in wild
(2) Endangered
(3) Critically endangered
(4) Vulnerable
In India, forests constitute about
(1) 19.4% of the land area
(2) 38.7% of the land area
(3) 33% of the land area
(4) 67% of the land area
Government of India has provided the private ownership rights in
(1) A national park
(2) A sanctuary
(3) A biosphere reserve
(4) Zoo
Wild populations of plants and animals and traditional life styles of tribals are protected in
(1) Biosphere reserve
(2) Sanctuary
(3) National Park
(4) None of these
Which is not a criteria used for determining hot spots?
(1) Number of endemic species
(2) Degree of habitat destruction
(3) Having traditional strategy for protection of biodiversity
(4) Degree of exploitation
Mark the odd one out (with respect to National Parks)
(1) Cultivation of land is not permitted
(2) Meant for protection of both flora and fauna
(3) Forest products are not harvested
(4) Grazing is allowed
In-situ conservation of one horned Rhino is being done in
(1) Kaziranga National Park
(2) Kanha National Park
(3) Gir National Park
(4) Hazaribag Sanctuary
Which one of the following is not related to 5 F’s of Chipko movement?
(1) Fibres
(2) Flood
(3) Fertilizer
(4) Fodder
Match the following
Column I Column II
a. World Forestry Day (i) October 3
b. World Animal Day (ii) June 5
c. World Habitat Day (iii) March 21
d. World Environment Day (iv) October 4
(1) a(i), b(iii), c(iv), d(ii)
(2) a(iv), b(i), c(iii), d(ii)
(3) a(iii), b(i), c(iv), d(ii)
(4) a(ii), b(i), c(iv), d(iii)
