Back to ExamsBack
0 of 35 answered
Botany
Biodiversity and Conservation
35 questions · Click an option and press Check Answer to reveal the result
1
Diversity of the habitats over the landscape or geographical area is called:
A
Alpha diversity
B
Beta diversity
C
Gamma diversity
D
Species diversity
2
Choose the right one which denotes genetic diversity in correct sequence:
A
Nucleotides → Genes → Chromosomes → Individuals → Populations
B
Chromosomes → Nucleotides → Genes → Individuals → Populations
C
Populations → Individuals → Chromosomes → Nucleotides → Genes
D
Genes Nucleotides → Chromosomes → Individuals → Populations
3
Which of these is an example of an alien species invasion?
A
Nile perch
B
Parthenium
C
Eicchornia
D
All of these
4
The relation between species richness and area on a logarithmic scale is:
A
Log S = log C - Z log A
B
Log S = Z log A
C
Log S = log C + Z log A
D
Log S = log C
5
The Earth Summit (1992) was conducted in:
A
Johannes Berg
B
Rio de Janeiro
C
Washington
D
Paris
6
Based on Rivet Popper Hypothesis, honeybees can be compared to:
A
Rivets on the seats of airplane
B
Rivets on the windows of airplane
C
Rivets on the wings of airplane
D
Passenger in airplane
7
Species richness is highest in tropics because:
A
Tropics had more evolutionary time
B
Tropics has relatively constant environment
C
Tropics gets more solar energy
D
All the above
8
Find out the false statement related with species richness of the world:
A
There are more than 20,000 species of ants and 3,00,000 species of beetles
B
There are more than 28,000 species of fishes and nearly 20,000 species of orchids
C
Tropical forest region like Equador has up to 10 times of vascular plant species as compared to temperate forest
D
Number of fungi species is less than the combined total of the species of fishes, amphibians, reptiles & mammals
9
According to IUCN (2004) the number of species described so far is:
A
15 million
B
1.5 million
C
15 billion
D
1.5 billion
10
IUCN Red List (2004) documents the extinction of how many species?
A
1200
B
784
C
338
D
359
11
Deserts, forests, alpine meadows etc. are examples for:
A
Diversity at genetic level
B
Diversity at species level
C
Diversity at ecosystem level
D
All of these
12
Example for co-extinction is:
A
Extinction of Didus ineptus
B
Extinction of parasites
C
Extinction of pollinator
D
All of these
13
In global invertebrate diversity, what does portion 'A' of the pie chart represent?
A
Molluscs
B
Crustaceans
C
Other animal groups
D
Insects
14
Which of the following is NOT part of 'The Evil Quartet'?
A
Habitat loss
B
Over exploitation
C
Co-extinction
D
Drought
15
The number of amphibian species;
A
is higher in Eastern Ghats as compared to Western ghats.
B
is decreasing because they appear to be more vulnerable to extinction than other animal groups.
C
is more than the combined total of the species of fishes, fungi, reptiles and mammals.
D
in Amazon rain forests is approximately 4270.
16
In a biosphere reserve, the zone with "No human activity" is the:
A
Core zone
B
Buffer zone
C
Transition zone
D
Manipulation zone
17
Match column-I and column-II and Choose the correct options -
| Column I | Column II |
|---|---|
ABiodiversity loss | i Stellar sea |
BOver exploitation | iiCod fish |
CAlien species invasion | iiiSoyabean cultivation |
DSpecies extinction | iv Parthenium, Lantana |
A
A-IV, B-III, C-II, D-I
B
A-III, B-I, C-IV, D-II
C
A-I, B-II, C-III, D-IV
D
A-II, B-IV, C-III, D-I
18
Statement A : The world summit on sustainable development held in 2002 in Johannesburg, South Africa.
Statement B : Ex-situ conservation includes the establishment of wildlife sanctuaries and national parks. Which of the following is the correct option regarding above statements ?
A
Both Statement A and Statement B are correct.
B
Statement A is correct, but Statement B is incorrect.
C
Statement A is incorrect, but Statement B is correct.
D
Both Statement A and Statement B are incorrect.
19
Number of biodiversity hotspots in the world is:
A
3
B
34
C
112
D
96
20
Which one of the following is an example of ex-situ conservation?
A
National Park
B
Wildlife Sanctuary
C
Zoos and botanical gardens
D
Protected areas
21
Find out a and b and also select the correct answer
A
a = species richness, b = Area
B
a = area, b = species richness
C
a = Area, b = Regression coefficient
D
None of these
22
Rivet Popper Hypothesis was proposed by:
A
Paul Ehrlich
B
Humboldt
C
David Tilman
D
Robert May
23
The given figure shows global biodiversity of proportionate number of species of major taxa of vertebrates. Identify A, B, C and D correctly :- 
A
A-Mammals; B-Reptiles; C-Birds; D-Amphibians
B
A-Amphibians; B-Reptiles; C-Birds; D-Mammals
C
A-Mammals; B-Reptiles; C-Birds; D-Amphibians
D
A-Molluscs; B-Mammals; C-Birds; D-Reptiles
24
Match the following:
| Column I | Column II |
|---|---|
ACompetition for resources | iBarnacle - Balanus and Catagrapsus |
BImpact of Exotic species | iiFlamingoes and fishes in south American lakes |
CCompetitive Release | iiiAbingdon tortoise and goats in Galapagos islands |
A
A-ii, B-iii, C-i
B
A-i, B-ii, C-iii
C
A-iii, B-i, C-ii
D
A-ii, B-i, C-iii
25
Which of the following is NOT a broadly utilitarian argument for biodiversity?
A
Pollination
B
Provision of oxygen
C
Provision of food
D
Intrinsic value of species
26
Latitudinal range of tropics is:
A
20.5°N to 20.5° S
B
23.5°N to 23.5° S
C
33.5°N to 33.5° S
D
43.5°N to 43.5° S
27
Biologists are not sure about total number of many prokaryotic species because:
A
Conventional taxonomic methods are not suitable for identifying microbial species
B
In laboratory, many species cannot be cultured
C
Biochemical or molecular criteria for species is not widely accepted
D
All the above
28
Stellar's sea cow and passenger pigeon are extinct mainly due to:
A
Alien species invasion
B
Overexploitation
C
Co-extinction
D
Habitat loss
29
Main reason of disturbance of biological diversity :-
A
Green house effect
B
Hunting
C
Soil erosion
D
Destruction of natural habitats
30
These are regarded as major causes of biodiversity loss:
A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat loss and fragmentation
Choose the correct option:
A
A, B and E only
B
A, B and D only
C
A, C and D only
D
A, B, C and D only
31
What is true about biosphere reserves?
A
Wild populations are protected
B
Native tribal are protected
C
Cultivated plants are protected
D
All the above are protected
32
Who popularized the term 'biodiversity'?
A
Robert May
B
Edward Wilson
C
Humboldt
D
Borlaug
33
Choose the incorrect statement regarding biodiversity, its loss and its conservation.
(A) Biodiversity hotspots have high species richness and high endemism.
(B) Species richness increases with increasing area, but only up to a limit.
(C) The group Fungi has fewer species than fishes, amphibians, reptiles, and mammals combined.
(D) Habitat loss and fragmentation is the most important cause of biodiversity loss.
(E) All biodiversity hotspots together cover more than 10% of Earth's land surface.
A
C and E only
B
B and C only
C
A and C only
D
C and D only
34
Number of biosphere reserves in India is:
A
14
B
90
C
448
D
22
35
A Vulnerable taxon is one that is:
A
Facing a very high risk of extinction in the immediate future
B
Facing a very high risk of extinction in the near future
C
Facing a high risk of extinction in the medium-term future
D
Already extinct in the wild
Question Palette
Unattempted
Correct
Incorrect