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Biology NEET 2023 > XII: Chapter 15- Biodiversity and conservation > Flashcards

XII: Chapter 15- Biodiversity and conservation Flashcards

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1
Q

Which sociobiologist popularised the term ecology?

A

Edward Wilson

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2
Q

What is the share of India to the global species diversity?

A

8.1%

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3
Q

How many mega diverse countries are present in the world?

A

12

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4
Q

How many plant and how many animals species are yet to be discovered in India?

A

One million plant species and 3 million animal species

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5
Q

How many species of birds does Colombia have?

A

1400 species

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6
Q

How many species of birds does New York have?

A

105

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7
Q

How many species of birds does Greenland have?

A

56

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8
Q

How many species of birds does India have?

A

1200

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9
Q

How many species of plants does Amazon rainforest have?

A

40,000

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10
Q

How many species of fishes does Amazon rainforest have?

A

3000

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11
Q

How many species of birds does Amazon rainforest have?

A

1,300

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12
Q

How many species of mammals does Amazon rainforest have?

A

427

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13
Q

How many species of amphibians does Amazon rainforest have?

A

427

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14
Q

How many species of reptiles does Amazon rainforest have?

A

378

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15
Q

How many species of invertebrates does Amazon rainforest have?

A

> 125000

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16
Q

WHat is the equation of species area curve ?

A

logS = Log C + Z logA

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17
Q

What is the range of the value of Z in the species are curve?

A

0.1 to 0.2

But in case of very large areas like entire continents- 0.6 to 1.2

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18
Q

What is the slope of frugivorous birds and mammals in tropical forests of different continents?

A

1.15

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19
Q

The rivet popper hypothesis was given by

A

Paul Ehrlich

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20
Q

Quagga was an animal that went extinct from which place?

A

Africa

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21
Q

Thylacine which went extinct was native to which country?

A

Australia

22
Q

Steller’s sea cow which went extinct was native to which country?

A

Russia

23
Q

Which subspecies of tiger have gone extinct?

A

Bali, Javan, Caspian

24
Q

The last twenty years have witnessed the disappearance of how many species?

A

27

25
Q

How many species are currently facing extinction?

A 
>15500
12% bird species
23 % mammal species
32% amphibian species
31% gymnosperm species
26
Q

How many mass extinctions have occurred till now?

A

5

27
Q

The tropical rainforests have decreased in land cover from ___1___ to __2___.

A

1- 14%

2- 6%

28
Q

The nile perch introduced in Lake Victoria in East Africa led to the extinction of

A

200 species of cichlid

29
Q

What percent of drugs currently sold are derived from plants?

A

25%

30
Q

How many plant species contribute to traditional medicines used by native people around the world?

A

25,000

31
Q

How many biological hotspots were initially identified and now their number have been increased to?

A

25 initially

34 at present

32
Q

What is the percent land cover of total earth’s land area that biological hotspots cover?

A

2%

33
Q

How many biosphere reserves, national parks and wildlife sanctuaries does India have (according to NCERT)?

A

14 biosphere reserve
90 national parks
448 wildlife sanctuaries

34
Q

When was the Earth summit organised? Where was it held?

A

1992

RIo de Janeiro

35
Q

When was the World summit organised? Where was it held?

A

2002

JOhannesburg, South Africa

36
Q

How many countries pledged in the world summit?

A

190

37
Q

Till when were the goals of world summit to be fulfilled?

A

2010

38
Q

According to estimates, what percent of total species have been recorded so far?

A

22%

39
Q

Plants provide oxygen and so they should be protected. This is the approach of which utilitarian ideology?

A

Broadly utilitarian

40
Q

Strict protection of biological hotspots can decrease the ongoing mass exteinction by

A

30%

41
Q

Which is the largest wildlife sactuary in India?

A

Great Indian Bustard sanctuary

42
Q

Keoladeo ghana bird sanctuary is located in

A

Bharatpur

43
Q

Annamali sanctuary is present in

A

Coimbatore

44
Q

Chilika lake bird sanctuary is located in

A

Odisha

45
Q

Nanda devi national park is in

A

Uttranchal

46
Q

Nilgiri biosphere is in

A

Karnataka, Kerala, Tamil Nadu

47
Q

Are activities permitted in buffer zone of biosphere reserve?

A

Limited activites are allowed

48
Q

Are activities permitted in transition zone of biosphere reserve?

A

Yes (settlement, farming, etc)

49
Q

When was National Forest Policy revised?

A

1998

50
Q

When was forest act passed?

A

1927

51
Q

When was wildlife protection act passed?

A

1972

Biology NEET 2023 (39 decks)

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