Careful management of water catchment areas results in
(a) more desertification
(b) more deforestation
(c) less waste of water
(d) more waste of water
One of the most important functions of botanical gardens is that
(a) They provide a beautiful area for recreation
(b) One can observe tropical plants there
(c) They allow ex-situ conservation of germ plasm
(d) They provide the natural habitat for wild life
Which of the following is most dangerous to wildlife?
(a) Over exploitation
(b) Man made forest
(c) Habitat destruction
(d) Introduction of foreign species
The measure of biodiversity of an area is
(a) The number of species found there
(b) The range of different life forms
(c) Both (a) and (b)
Wildlife is
(a) All biota excluding man, domestic animals and cultivated crops
(b) All vertebrates of reserve forests
(c) All animals of reserve forests
(d) All animals and plants of the reserve forest
The region of Earth where life exists is known as
(a) Atmosphere
(b) Biosphere
(c) Lithosphere
(d) Hydrosphere
The “Red Data Books” published by the International Union for Conservation of Nature and Natural Resources (IUCN) contain lists of
1. Endemic plant and animal species present in the biodiversity hotspots
2. Threatened plant and animal species
3. Protected sites for conservation of nature and natural resources in various countries
Select the correct answer using the codes given below.
(a) 1 and 3
(b) 2 only
(c) 2 and 3
(d) 3 Only
Decrease in species diversity in tropical countries is mainly due to
(a) Urbanisation
(b) Pollution
(c) Deforestation
(d) Soil erosion
Among the ecosystems mentioned below, where can one find maximum biodiversity?
(a) Mangroves
(b) Desert
(c) Coral reefs
(d) Alpine meadows
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In the biosphere, energy is received from
(a) The Sun
(b) The interior of the earth
(c) Both (A) and (B)
(d) Work
What is most effective way to conserve plant diversity of an area ?
(a) Tissue culture
(b) Botanical garden
(c) Biosphere reserves
(d) Seed banks
The concept of sustainable development encourages
(a) Form of growth that meets current basic needs
(b) Preservation of resources for the needs of future generations
(c) A change in all respects of life
(d) Growth to meet current needs, preservation for the needs of the future and change in all aspects of life
Which of the following forests is known as the ‘lungs of the planet Earth’?
(a) Taiga forest
(b) Tundra forest
(c) Amazon rain forest
(d) Rain forests of North East India
Why it is necessary to conserve the wild life?
(a) To protect the destroying wild animals
(b) To protect the ecosystem
(c) To safegaurd the environment of earth
(d) All of the above
Biodiversity forms the basis for human existence in the following ways:
- Soil formation
- Prevention of soil erosion
- Recycling of waste
- Pollination of crops
Select the correct answer using the codes given below:
(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
The Biosphere consists of the following
(a) Lakes
(b) Soils
(c) Solid sediments
(d) All of the above
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‘Fanning’ smokestack plumes are observed when
(a) There is an inversion above the ground surface.
(b) There is an unstable atmosphere.
(c) There is a neutrally stable atmosphere.
(d) The stack height is below an inversion layer
The most important human activity leading to the extinction of wildlife is
(a) Alteration and destruction of the natural habitats
(b) Hunting for commercially valuable wild life products
(c) Pollution of air and water
(d) Introduction of alien species
In which of the following form(s), the waster products are discharged into the biosphere?
(a) Gaseous
(b) Liquid
(c) Solid
(d) All of the above
The set of ecosystems is called a…..
(a) Biome
(b) Climate
(c) Subsystem
(d) Structure
In which country the “Tropical Evergreen” forests are found ?
(a) Indonesia
(b) Bangladesh
(c) Pakistan
The species inhabiting different geographical areas are
(a) Allopatric
(b) Sympatric
(c) Morphospecies
(d) Sibling species
The Ecosystem is the smallest unit of
(a) Ionosphere
(b) Lithosphere
(c) Biosphere
(d) Mesosphere
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The following is an example of Terrestrial Biome
(a) Tropical rain forest
(b) Rivers
(c) Streams
Anthropogenic extinction means the extincts of species from surface of earth that is due to
(a) Change in season
(b) Effects of meteors
(c) Human activities
The following is an example of Terrestrial Biome
(a) Tropical rain forest
(b) Rivers
(c) Streams
Conservation of biodiversity is important for:
(a) Animals
(b) Plants
(c) Animals and plants
(d) All organisms
Where are the “Deciduous forests” found in the world ?
(a) Sub tropical regions
(b) Abundant sunshine areas
(c) North regions
Genetic diversity is related to
(a) Types of species within a community
(b) Types of communities in an area
(c) Gene based diversity
(d) Diversity and evolution of species with a genus
The management of natural resources should be taken into
(a) A long-term perspective
(b) Environmental pollution
(c) Their equitable distribution
(d) All of the above and safe disposal of waste
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Why should we conserve biodiversity? Because
(a) We should preserve the biodiversity we have inherited
(b) A loss of diversity may lead to a loss of ecological stability.
(c) Both (a) and (b)
Which of the following is not a cause of the loss of biodiversity?
(a) Destruction of habitat
(b) Invasion by alien species
(c) Keeping animals in zoological parks
(d) Over-exploitation of natural resources
The term hot spot for high diversity ecological regions was coined by
(a) IUCN
(b) Myers
(c) Odum
(d) Kormandy
Oak and Birch trees are found in :
(a) Mediterranean
(b) Coniferous forests
(c) Midlatitude evergreen forests
(d) Tropical evergreen forests
The problems with criticism of large dams are that they
(a) Displace large number of peasants and trebles without proper rehabilitation
(b) Swallow up huge amounts of public money without the generation of proportionate benefits
(c) Contribute enormously to deforestation and the loss of biological diversity
(d) All of the above
Which one of the following is not a major characteristic feature of biodiversity hot spots?
(a) Large number of species
(b) Abundance of endemic species
(c) Mostly located in the tropics
(d) Mostly located in the polar regions
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Which of the following does not come under the threatened categories?
(a) Endangered
(b) Vulnerable
(c) Least concern
(d) Rare
World Wild Life Week is
(a) First week of September
(b) First week of October
(c) Third week of October
(d) Last week of October
Threatened species include:
(a) rare species
(b) vulnerable species
(c) endangered species
(d) all the above
The following are stakeholders of forests. Which one of these causes the maximum damage to the forest?
(a) People who live in or around the forest
(b) The industrials
(c) The wildlife and native enthusiasts
(d) The forest department of the government
The area where all the living organisms interact with each other and their environment is __
(a) biosphere
(b) exosphere
(c) mesosphere
(d) thermosphere
The human-oriented environmental doctrine is called:
(a) Altruism
(b) Anthropocentrism
(c) Ecocentrism
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Biosphere means –
(a) lithosphere
(b) hydrosphere
(c) atmosphere
(d) all the three
A set of organisms that resemble one another in appearance and behavior is called a:
(a) Exons
(b) Prions
(c) Species
Biosphere reserve has the following zone except one:
(a) Core zone
(b) Command zone
(c) Buffer zone
(d) Spherical zone
