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WorksheetsBiodiversity and Conservation
Total questions: 20
Worksheet time: 15mins
The term diversity means
similarity
variety
The variation in Rauwolfia vomitoria growing in different Himalayan regions is an example of
Genetic diversity
Species diversity
Species diversity
Which of the following have greater amphibian species diversity than the others?
Western Ghats
Eastern Ghats
Which of the following countries have varied ecosystems?
Norway
India
Among animals, ____________are the most species rich taxonomic group.
mollusc
crustaceans
Insects
" Nature's Biological Library is burning even before we catalogued the titles of all the books stocked there". This implies that .....................
Nature has a library with books we did not read yet, and not catalogued. The library started to burn now.
The species present in nature are compared to books stocked in a library, and that a large fraction of these species are going to be extinct, even before we have discovered them.
Which of the following statements are true about latitudinal gradient?
Species diversity decreases as we move away from the equator towards poles.
Species diversity is more in temperate latitude, than, other latitudes.
Species diversity is more in poles than in equator.
What is so special about tropics that account for their greater biological diversity? Tick the appropriate option.
Tropics had glaciation in the past and cyclones in the present, that helps in species richness
Tropics receive less sunlight when compared to poles, biological diversity becomes more in less sunlit areas.
There is more solar energy in the tropics, contributing to more productivity and hence greater biological diversity.
Alexander Von Humboldt observed that within a region species richness increased with increasing __________but only up to a limit.
Area
Food
Predators
When the value of regression coefficient z lies in the range of 0.6 to 1.2, we will find , the slope of the line to be _________
more gentle
more steeper
In the analogy used by ecologist Paul Ehrlich, rivets are compared to ___________ and airplane to __________
rivets to nature and airplane to animals
rivets to species and airplane to ecosystem
rivets to play tools and airplane to play station for passengers
Among some of the recent extinctions, Thylacine is from which of the following places?
Mauritius
Africa
Australia
Sixth extinction presently in progress is different from previous episodes, in which of the following ways?
The current species extinction rates are 100 to 1000 times faster than in the pre- human times.
The current species extinction rates are slower than in Dinosaur period.
It is not true that extinction is currently taking place.
The Evil Quartet is the sobriquet used to describe four causes of biodiversity losses. One of them is given in the options below. Tick the appropriate one.
An evil spirit came in disguise to the earth and consumed biodiversity.
When a species becomes extinct, the plant and animal species associated with it also becomes extinct.
Aliens arrived from outer space and destroyed earth's biodiversity.
Which of the following are one of the Broadly Utilitarian arguments to conserve Biodiversity?
Pollination
firewood
It is our moral duty to care for the well being of other species living on our planet with us.
Amongst vertebrates, which among the following demonstrate most species diversity globally?
Fishes
Amphibians
Reptiles
Birds
In the species area relationship equation, log S= log C+ Z log A, C represents ?
constant
competition
Y intercept
slope of the line
The term Biodiversity hotspots mean _________
Regions with high levels of species richness and endemism.
Regions with hot thermal springs and rivers
Spots on one species of frog, that makes our skin burn if touched.
Which of the following options are one of the examples of sacred groves in our country?
khasi and Jaintia hills in Meghalaya
Botanical gardens
Zoological parks
Wild life safari parks
The approach of conservation, where the whole ecosystem is protected , in order to conserve the biodiversity at all levels is called as _____approach.
In situ conservation
Ex situ conservation
