Biodiversity and Conservation Flashcards

1
Q

Total biodiversity hotspots in the world

A

34

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2
Q

Biodiversity hotspots in India

A

Western Ghats– Sri Lanka
Indo–Burma
Himalaya

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3
Q

Biodiversity hotspots cover less than ___ % of the Earth’s land area. They can reduce mass extinctions by ___%

A

2

30

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4
Q

No. of
biosphere reserves
national parks
wildlife sanctuaries

A

14
90
448

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5
Q

Places in India where sacred groves are found

A
Khasi and Jaintia hills (Meghalaya)
Aravalli hills (Rajasthan)
Sarguja, Chanda and Bastar (Madhya Pradesh)
Western Ghats (Karnataka and Maharashtra)
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6
Q

First World Summit was held in ______ in _______

Follow up World Summit was held in ________ in _______

A

Rio de Janeiro, 1992

Johannesburg, 2002

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7
Q

In the follow up World Summit, ____ countries pledged their commitment to achieve significant reduction in current rate of biodiversity by _____

A

190

2010

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8
Q

More than ____% of the drugs currently sold in the market worldwide are derived from plants and _______ species of plants contribute to the traditional medicine used by native peoples around the world.

A

25%

25000

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9
Q

Amazon produces ____% of the total oxygen

A

20

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10
Q

The colonization of the Pacific Islands have led to the extinction of more than _____ species of native birds

A

2000

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11
Q

In the last 500 years, ______ species of vertebrates, ______ species of invertebrates and _____ species of plants have gone extinct

A

338
359
87

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12
Q

In the last twenty years, ____ species have gone extinct

A

27

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13
Q

more than ________ species world-wide are facing the threat of extinction

A

15,500

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14
Q

Presently, ___ per cent of all bird species, ___ per cent of all mammal species,____ per cent of all amphibian species and ____ per cent of all gymnosperm species in the world
face the threat of extinction.

A

12
23
32
31

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15
Q

____________ is the most important

cause driving animals and plants to extinction.

A

Habitat loss and fragmentation

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16
Q

Once covering more than ___ %, rainforests now cover only __%

A

14

6

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17
Q

Amazon is being cut down to cultivate

A

Soya beans

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18
Q

Animals went extinct due to over exploitation

A

Stellers sea cow

Passenger pigeon

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19
Q

Nile perch introduced to lake _______ led to the extinction of more than _____ species of _______ fish

A

Victoria
200
Cichlid

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20
Q

Catfish posing threat to indian catfishes

A

Clarias gariepinus

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21
Q

Whose experiments proved the relation between biodiversity and stability

A

Tilman

22
Q

The most well known pattern in diversity is

A

Latitudinal gradient

23
Q

Colombia has _____ bird species
India has _____ species
Amazon has ____ species

A

1400
1200
1300

24
Q

Latitude of NY? How many bird species?

A

41°N

105

25
Q

Greenland latitude? Now many bird species?

A

71°N, 56

26
Q

Amazon has _____ species of mammals and ______ of amphibians

A

427, 427

27
Q

Amazon has ______ species of reptiles, _____ of fishes

A

378, 3000

28
Q

Amazon has ______ species of plants and ________ of invertebrates

India has _____ species of plants

A

40,000
1,25,000

45000

29
Q

Where did Alexander von Humboldt do his species area relationship studies?

A

South American jungles

30
Q

Value of Z generally lies between

A

0.1 to 0.2

31
Q

Z value for continents

A

0.6-1.2

32
Q

Frugivorous birds Z value

A

1.15

33
Q

Species discovered so far

Estimate by Robert May?

A

1.5m

7m

34
Q

___% of recorded species are plants

A

22

35
Q

Check graphs

A

Ok

36
Q

India has ___ % of the world’s land area but ___% of global species diversity

How many mega diversity countries in the world

A
  1. 4
  2. 1

12

37
Q

How many beetle species

A

3lakh

38
Q

Who termed the word biodiversity

A

Edward Wilson

39
Q

India has ______ strains of rice and ______ strains of mango

A

50,000

1000

40
Q

species of ants

A

2(too tiny)0000

same for or(kids)

41
Q

species of beetles

A

3,00,000

42
Q

species of fishes

A

twenty ate thousand

43
Q

fungi more than all vertebrates except

A

birds

44
Q

plants in india

A

45000/100000

animals twice/thrice

45
Q

Ecuador has ___ times as many species of vascular plants as midwest

A

10

46
Q

Insects waiting to be discovered in amazon

A

2mil

47
Q

Humboldt graphed for __ taxa

A

angiosperms
birds
bats
fishies

48
Q

nearly __ of the species could go extinct in the next 100 years

A

half

49
Q

Convention on Biological Diversity?

A

Rio 1992

50
Q

World Summit on Sustainable Development

A

Johannesburg, 2002