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BIOLOGY > BIODIVERSITY AND CONSERVATION > Flashcards

BIODIVERSITY AND CONSERVATION Flashcards

1
Q

The number of species of ants

A

20,000

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2
Q

The number of species of beetles

A

3,00,000

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3
Q

The number of species of fishes

A

28,000

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4
Q

The number of species of orchids

A

20,000

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5
Q

The term ‘biodiversity’ was ‘popularized’ by_____ and was a sociobiologist

A

Edward wilson

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6
Q

Name the 3 levels diversity

A

a. genetic diversity
b. species diversity
c. ecological diversity

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7
Q

Name the plant that shows genetic diversity based on the potency and concentration of an active chemical (reserpine) and grows in the Himalayas

A

Rauwolfia vomitoria

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8
Q

Rauwolfia vomitoria is used for the cure of ______

A

BP

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9
Q

Name the chemical produced by Rauwolfia vomitoria based on which they show genetic diversity

A

Reserpine

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10
Q

Name the kind of diversity shown by Rauwolfia vomitoria

A

genetic

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11
Q

The number of genetically different strains of rice in India are

A

50,000

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12
Q

The number of genetically different strains of mango in India are

A

1000

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13
Q

western and eastern ghats show what kind of diversity

A

Species diversity

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14
Q

Amongst eastern and western ghats which one has a greater amphibian diversity

A

Western ghats

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15
Q

The total number of plants and animal species described ‘so far’ are ______

A

slightly more than 1.5 million

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16
Q

according to Rober May, the global species diversity’s number is about ______

A

7million

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17
Q

what is the percentage of animals out of all the species recorded

A

70%

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18
Q

what is the percentage of plants out of all species recorded

A

more than 22%

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19
Q

Insects make up how much percentage of total animal percentage

A

70%

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20
Q

India holds how much percentage of the world’s land area

A

2.4%

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21
Q

the percentage of global species diversity that india holds is____

A

8.1%

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22
Q

how many species of PLANTS have been recorded in india

A

45,000

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23
Q

how many species of ANIMALS have been recorded in India

A

twice as much as plant species i.e., 2 x 45,000

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24
Q

If we accept May’s global estimate then how much percentage of total species have been recorded

A

22%

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25
If May's estimates are applied only to India then, how many species of plants and animals are yet to be discovered?
1,00,000 plants and more than 3,00,000 animals
26
what happens to biodiversity as we move away from the equator
it decreases
27
comparing temperate and tropic region which harbors more diversity
tropic
28
latitude range of tropic region
23.5 N to 23.5 S
29
columbia, being located near the EQUATOR has how many species of birds
1,400
30
Co-ordinates of New york ( only north)
41 N
31
New york has how many species of birds
105 species
32
co-ordinates of greenland (only north)
71 N
33
number of bird species in greenland
56
34
number of species of birds in India
1,200
35
Greatest biodiversity on earth is found in
Amazon rain forest
36
amazon forest has ______ number of plant species
40,000
37
amazon forest has ______ number of fish species
3,000
38
amazon forest has ______ number of birds species
1,300
39
amazon forest has ______ number of mammals species
427
40
amazon forest has ______ number of amphibian species
427
41
amazon forest has ______ number of reptiles species
378
42
amazon forest has ______ number of invertebrates species
1,25,000
43
the number of INSECT species in rain forests that are yet to be discovered
2 million
44
formula for species richness and area for a wide variety of taxa is what shape is the graph?
log S = log C + Z log A S = species richness A = area Z= slope of the line ( regression co-effecient) C= Y- inetcept nemonics: 'S'hut and 'C'ome here you 'Z'ebra looking 'A'nimal the graph is a rectangular hyperbola
45
the range of Z lies between
0.1 to 0.2
46
german naturalist and geographer who observed that species richness increased with increasing explored area
Alexander von humboldt
47
what did alexander von humboldt discover
species richness increased with increasing explored area
48
who found that plots with more species showed less year-to-year variation in total biomass
David Tilman
49
Who gave the ' rivet popper hypothesis '
paul ehrlich
50
paul ehrlich gave which hypothesis
rivet (species) popper hypothesis
51
the colonisation of tropical Pacific Islands by humans lead to extinction of how many species of birds
2000
52
the ICUN red list records the extinction of how many species in the last 500 years this includes how many a) vertebrates b)invertebrates c)plants
784
53
some recent examples of extinction. (use for reference and revision)
dodo (Mauritius) quagga (africa) thylacine (australia) stellar sea cow (russia) and 3 sub species of tiger (bali, javan, caspian)
54
how many extinctions of species have we experienced in the last 20 years
27 species
55
how many species world wide are facing the threat of extinction
15,500
56
how much percentage of all bird species are under threat
12%
57
how much percentage of all mammal species are under threat
23%
58
how much percentage of all amphibians species are under threat
32%
59
how much percentage of all gymnosperms species are under threat
31%
60
tropical rain forests initially covered how much % of earth
14
61
how much % of earths surface do tropical rainforests cover right now?
6%
62
the ____ was introduced into lake victoria in the east Africa led to ventual extinction of _____ number of species of ____ fish in the lake
nile perch, 200, cichild
63
the introduction of african catfish ____ for aqua culture purposes is posing a threat to catfishes in our rivers
clarias gariepinus
64
how much percentage of drugs sold in the markets are plant derivatives
24%
65
amazon forest produces how much percentage of world's o2
20%
66
initially how many biodiversity hotspots were found in the past
25
67
how many biodiversity hotspots are present now
34
68
how many percentage of drugs currently sold in the market are derived from plants
25%
69
how many species of plants contribute to the traditional medicines
25,000
70
india has how many biosphere reserves national parks wildlife sanctuaries
14 90 448
71
CSACRED GROOVES are found where in India? (reference)
khasi and jaintia hills in meghalaya, Aravalli hills of rajasthan, western ghats region of karnataka maharashtra and sarguja, chaanda and bastar area of MP

BIOLOGY (5 decks)

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