Biodiversity

Question 1

New York has how many species

Answer 1

105

Question 2

Green land is situated

Answer 2

71° N

Question 3

In green land hoe many species are there

Answer 3

56

Question 4

Equador has how many times more more species diversity than temperate region like Midwest in USA

Answer 4

10

Question 5

Bio diversity in Amazon forest

Answer 5

40,000 species of plants
3,000 fishes
1,300 birds
427 mammals
427 Amphibians
378 Reptiles
More than 1,25, 000 vertebrates

Question 6

How many Insects are in Amazon forest waiting to be discovered

Answer 6

2 million

Question 7

Species area relation was given by

Answer 7

Alexander Von Hamboldt

Question 8

Relation btw species diversity and area is

Answer 8

Rectangular hyperbole

Question 9

Eq of straight line given by Alexander von humboldt

Answer 9

Log S= log C + Z log A

Question 10

Z is called

Answer 10

Regression coefficient

Question 11

The value of Z lies in the region of

Answer 11

0.1 to 0.2

Question 12

The value of Z for continenets isn

Answer 12

0.6 to 1.2 ( much steeper )

Question 13

For frugivores and mammals in tropical forest of diffrent continenets the slope is

Answer 13

1.15

Question 14

Who found that the area with less species diversity has more seasonal variations

Answer 14

David tilman

Question 15

Rivet popper hypothesis is given by

Answer 15

Paul Ehrlich

Question 16

In rivet popper hypothesis rivet is

Answer 16

Species

Question 17

Colonization of tropical pacific islands by humans have led to the extinction of

Answer 17

2,000 species of birds

Question 18

IUCN red list documents the extinction of in last 500 yrs

Answer 18

784 ( 334 vertebrates, 359 invertebrates, 87 plants )

Question 19

Thylacine was found in

Answer 19

Australia

Question 20

Last 20 yrs have witnessed the disappearance of

Answer 20

27 species

Question 21

How much % of birds are facing extinction

Answer 21

12

Question 22

How much % of mammals face extinction

Answer 22

23

Question 23

How much species of Amphibians

Answer 23

32

Question 24

How much % of gymnosperms

Answer 24

31

Question 25

The cause of biodiversity loss is

Answer 25

Evil Quarteet

Question 26

The most important cause leading to extinction is

Answer 26

Habitats loss and fragmentation

Question 27

Change in land area of tropical rainforest is

Answer 27

14 % to 6%

Question 28

Extinction due to over exploitation is

Answer 28

Stella’s sea cow , passengers pigeon

Question 29

Nile perch was introduced

Answer 29

Lake Victoria in East Africa

Question 30

Nile perch led to

Answer 30

200 species of cichlid fishes

Question 31

African catfish is

Answer 31

Clarius gariepinus

Question 32

Amazon rain forest produce approx

Answer 32

20 % of oxygen

Question 33

How many Hotspot are there

Answer 33

34

Question 34

3 Hotspot in india is

Answer 34

Western ghats and Sri Lanka, indoburma and Himalaya

Question 34

% area covered by Hotspot

Answer 34

Less than 2 %

Question 35

Hotspot were able to reduce the ongoing extinction by

Answer 35

30 %

Question 36

Biosphere

Answer 36

14

Question 37

National parks

Answer 37

90

Question 38

Wildlife sanctuary

Answer 38

448

Question 39

Earth summit was held in

Answer 39

Rio de Janeiro 1992

Question 40

World summit was held in

Answer 40

Johannesburg , South Africa in 2010

Question 41

How many countries pledged at world summit

Answer 41

90