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Biodiversity and its Conservation — NEET UG Botany PYQs

470 previous year questions from Biodiversity and its Conservation with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

470 questionsBotanySolutions on every page
1

Match the following.

AIIMS 2019 Solution View → 2

One of the following statements is incorrect with reference to biodiversity. Identify it.

AIIMS 2016 Solution View → 3

One out of the following is not responsible for biodiversity loss.

AIIMS 2015 Solution View → 4

The total number of biodiversity hotspots in the world are

AIIMS 2014 Solution View → 5

Which of the following statements is not true?

AIIMS 2014 Solution View → 6

Newly formed Biosphere Reserve of India (2013) is

JIPMER 2014 Solution View → 7

India is one of the twelve megadiversity countries with of genetic resources of the world.

AIIMS 2013 Solution View → 8

Assertion : Now-a-days, the biodiversity is declining with an accelerated rate. Reason : Exotic species are considered to be a major cause of extinction of species.

AIIMS 2013 Solution View → 9

Select the incorrect statement.

JIPMER 2013 Solution View → 10

Which of the following species are restricted to an area?

JIPMER 2013 Solution View → 11

Assertion : There are 34 biodiversity hotspots in the world. Reason : High level of species richness is a criteria for selection of a biodiversity hotspot.

AIIMS 2012 Solution View → 12

Which one has the largest species variety in India?

AIIMS 2012 Solution View → 13

Dust, oolong and brick are varieties of

AIIMS 2012 Solution View → 14

Core zone, buffer zone and manipulation zone are found in

JIPMER 2012 Solution View → 15

Which of the following is best method of germplasm conservation ?

AIIMS 2011 Solution View → 16

Which of the following has highest diversity in India?

AIIMS 2010 Solution View → 17

National bird of India is

AIIMS 2009 Solution View → 18

Which part of the world has a high density of organism?

AIIMS 2007 Solution View → 19

Biosphere reserves differ from National Parks and Wildlife sanctuaries because in the former

AIIMS 2006 Solution View → 20

Which one of the following pairs of geographical areas show maximum biodiversity in our country?

AIIMS 2005 Solution View → 21

One of the ex situ conservation methods for endangered species is

AIIMS 2005 Solution View → 22

Which one of the following is a pair of endangered species?

AIIMS 2004 Solution View → 23

The Great Barrier Reef along the east coast of Australia can be categorised as

AIIMS 2004 Solution View → 24

If the Bengal Tiger becomes extinct

AIIMS 2004 Solution View → 25

The map given below indicates the former and the present distribution of an animal: Which animal could it be:

AIIMS 2003 Solution View → 26

Assertion : Tropical rain forests are disappearing fastly from developing countries such as India. Reason : No value is attached to these forests because these are poor in biodiver

AIIMS 2003 Solution View → 27

Assertion : Among the land animals, the Cheetah can run fastest over the ground. Reason : The Cheetah uses its powerful forelimbs to push itself forward during running.

AIIMS 2001 Solution View → 28

The sphere of living matter together with water, air and soil on the surface of earth is called

AIIMS 2001 Solution View → 29

How many species of ants are estimated to exist on Earth?

NEET Solution View → 30

What is the primary focus of ecologists and evolutionary biologists in regards to the diversity of life on Earth?

NEET Solution View → 31

How does the diversity of life on Earth affect the biosphere?

NEET Solution View → 32

What is the main source of fascination for humans regarding the diversity of life on Earth?

NEET Solution View → 33

How do humans benefit from the diversity of life on Earth?

NEET Solution View → 34

What is Biodiversity?

NEET Solution View → 35

What is Genetic Diversity?

NEET Solution View → 36

What is Species Diversity?

NEET Solution View → 37

How many genetically different strains of rice does India have?

NEET Solution View → 38

What is the active chemical produced by the medicinal plant Rauwolfia vomitoria growing in different Himalayan ranges?

NEET Solution View → 39

How many varieties of mango does India have?

NEET Solution View → 40

Why is diversity important to the biosphere?

NEET Solution View → 41

What is ecological diversity?

NEET Solution View → 42

How long has it taken for nature to accumulate its rich diversity?

NEET Solution View → 43

Why is biodiversity and its conservation important?

NEET Solution View → 44

What could happen if the present rates of species losses continue?

NEET Solution View → 45

Why is biodiversity and its conservation now an environmental issue of international concern?

NEET Solution View → 46

What is the definition of biodiversity popularised by the sociobiologist Edward Wilson?

NEET Solution View → 47

What is the total number of plant and animal species described according to the International Union for Conservation of Nature and Natural Resources (IUCN)?

NEET Solution View → 48

How many species on Earth are yet to be discovered and described?

NEET Solution View → 49

Which countries have more complete species inventories?

NEET Solution View → 50

Where are the overwhelmingly large proportion of species waiting to be discovered located?

NEET Solution View → 51

How do biologists make a gross estimate of the total number of species on Earth?

NEET Solution View → 52

What is the most conservative and scientifically sound estimate of the global species diversity?

NEET Solution View → 53

How long did it take for the rich diversity in nature to accumulate?

NEET Solution View → 54

Why is biodiversity and its conservation a vital environmental issue of international concern?

NEET Solution View → 55

What is the estimate made by Robert May about the total number of species on earth?

NEET Solution View → 56

How many plant and animal species have been described so far according to IUCN (2004)?

NEET Solution View → 57

What percent of all species recorded are animals?

NEET Solution View → 58

Which is the most species:rich taxonomic group among animals?

NEET Solution View → 59

What is the number of fungi species in the world compared to the combined total of species of fishes, amphibians, reptiles and mammals?

NEET Solution View → 60

What percent of the total are plants (including algae, fungi, bryophytes, gymnosperms and angiosperms)?

NEET Solution View → 61

Out of every 10 animals on earth, how many are insects?

NEET Solution View → 62

What percent of the total are insects among animals?

NEET Solution View → 63

How many prokaryotic species might there be according to biologists?

NEET Solution View → 64

What is India's share of the global species diversity?

NEET Solution View → 65

How many species of plants have been recorded from India?

NEET Solution View → 66

How many species of animals have been recorded from India?

NEET Solution View → 67

What percentage of total species have been recorded according to May's global estimates?

NEET Solution View → 68

How many plant species might there be yet to be discovered and described in India?

NEET Solution View → 69

How many animal species might there be yet to be discovered and described in India?

NEET Solution View → 70

Is it possible to complete the inventory of the biological wealth of India?

NEET Solution View → 71

What is the general pattern of species diversity in the world?

NEET Solution View → 72

What is the most well:known pattern in diversity of animals and plants?

NEET Solution View → 73

Where is the highest species diversity found in the world?

NEET Solution View → 74

How many species of birds does Colombia have?

NEET Solution View → 75

How many species of birds does India have?

NEET Solution View → 76

How many species of vascular plants are found in a tropical region forest compared to a temperate region forest of equal area?

NEET Solution View → 77

What is the greatest biodiversity on earth?

NEET Solution View → 78

How many insect species might be waiting to be discovered and named in the Amazonian rain forest?

NEET Solution View → 79

What is the main reason for the uneven distribution of plant and animal diversity in the world?

NEET Solution View → 80

Which region has the greatest biodiversity on earth?

NEET Solution View → 81

What is the main reason for the diversity of species in tropical latitudes compared to temperate regions?

NEET Solution View → 82

How does the environment in tropical latitudes contribute to species diversity?

NEET Solution View → 83

What is the contribution of solar energy to the diversity of species in tropical latitudes?

NEET Solution View → 84

What is the impact of frequent glaciations in temperate regions on species diversity?

NEET Solution View → 85

What is the relationship between the constant environment in tropical latitudes and species diversity?

NEET Solution View → 86

What is the main factor contributing to the diversity of species in the Amazonian rain forest?

NEET Solution View → 87

What does the equation log S = log C + Z log A represent?

NEET Solution View → 88

What is the range of Z values according to the species:area relationship analysis?

NEET Solution View → 89

How does the slope of the regression line for species richness and area change for larger areas like continents?

NEET Solution View → 90

What is the relationship between species richness and area for different taxa, according to Alexander von Humboldt's observations?

NEET Solution View → 91

What is the relationship between species richness and area on a logarithmic scale?

NEET Solution View → 92

What is the main goal of a stable community?

NEET Solution View → 93

What did David Tilman's experiments conclude about the relationship between species richness and ecosystem health?

NEET Solution View → 94

What is the perspective towards species extinction?

NEET Solution View → 95

What is the 'rivet popper hypothesis'?

NEET Solution View → 96

What is the main conclusion from the following options?

NEET Solution View → 97

What is the relationship between species richness and total biomass?

NEET Solution View → 98

How does species richness affect year:to:year variation in total biomass according to Tilman's long:term ecosystem experiments?

NEET Solution View → 99

How does species richness affect the productivity of an ecosystem according to Tilman's experiments?

NEET Solution View → 100

What is the "rivet popper hypothesis"?

NEET Solution View → 101

What is the cause of the rapid decline in the biological wealth of earth?

NEET Solution View → 102

How many species have gone extinct in the last 500 years according to the IUCN Red List (2004)?

NEET Solution View → 103

Which species are facing the threat of extinction globally?

NEET Solution View → 104

How fast are species going extinct in the current episode of extinction compared to previous episodes?

NEET Solution View → 105

Which groups of species are more vulnerable to extinction?

NEET Solution View → 106

What is the estimate of the number of species that might be wiped out in the next 100 years if the present trends continue?

NEET Solution View → 107

What is the difference between the current episode of extinction and previous episodes?

NEET Solution View → 108

What do fossil records teach us about the history of life on earth?

NEET Solution View → 109

What is the most important cause of animal and plant extinction?

NEET Solution View → 110

What is the main cause of the accelerated rates of species extinctions?

NEET Solution View → 111

What is the impact of biodiversity loss in a region?

NEET Solution View → 112

What is the name given to the four major causes of biodiversity loss?

NEET Solution View → 113

What is the main cause of habitat loss and fragmentation?

NEET Solution View → 114

How much of the earth's land surface do tropical rainforests currently cover?

NEET Solution View → 115

What is the potential impact on migratory animals when large habitats are fragmented?

NEET Solution View → 116

What is the potential outcome of the continued destruction of the Amazon rainforest?

NEET Solution View → 117

What is the main reason behind Steller's sea cow and passenger pigeon extinction?

NEET Solution View → 118

What is causing the decline of commercially important species of marine fish populations around the world?

NEET Solution View → 119

What is the main reason behind the extinction of more than 200 species of cichlid fish in Lake Victoria in east Africa?

NEET Solution View → 120

What is the threat posed to indigenous catfishes in our rivers by the illegal introduction of the African catfish Clarias gariepinus?

NEET Solution View →
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