Biodiversity and Conservation

Arrange the following in descending order of number of species in the Amazonian rain forest.
(a) Plants
(b) Birds
(c) Fishes
(d) Invertebrates
(e) Mammals
Choose the correct answer from the options given below :

"The Evil Quartet" of biodiversity loss includes which of the following?

Which of the following is an in situ conservation method?

Which of the following statements are correct?
A. The Amazon rainforest being cut and cleared for cultivation of soyabeans is an example of habitat loss.
B. Steller's sea cow and passenger pigeon became extinct due to over-exploitation by h...

Since the origin and diversification of life on Earth, there have been five episodes of mass extinction of species. How is the sixth extinction, which is in progress, different from the previous episodes?

Exploring molecular, genetic and species-level diversity for products of economic importance is called

Match List-I with List-II

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Which one of the following is an example of ex-situ conservation?

Cryopreservation technique is used for :

Which one of the following is not included under in-situ conservation?

The regions with high level of species richness, high degree of endemism and a loss of \(70 \%\) of the species and habitat are identified as:

Match List-I with List-II:

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List of endangered species was released by

Tropical regions show greatest level of species richness because
A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
B. Tropical environments are more ...

These are regarded as major causes of biodiversity loss:
A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat loss and fragmentation
E. Migration
Choose the correct option:

Match List I with List II

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The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called

Which of the following is/are cause(s) of biodiversity
losses ?

For chemical defence against herbivores, Calotropis
has :

In 'rivet popper hypothesis', Paul Ehrlich compared the rivets in an airplane to :

The historic Convention on Biological Diversity, ‘The Earth Summit’ was held in Rio de Janeiro in the year

Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?

Which of the following are true about the taxonomical aid 'key'?
(a) Keys are based on the similarities and dissimilarities.
(b) Key is analytical in nature.
(c) Keys are based on the contrasting characters in pair called couplet.
(d) Same ...

Western Ghats have a large number of plants and animal species that are not found anywhere else. Which of the following term is used to notify such species?

Frugivorous birds are found in large numbers in tropical forests mainly because of :

Match the List-I with List-II :

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Match List - I with List - II :

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The World Summit on sustainable development held in 2002 in Johannesburg, South Africa pledged for

Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
(a) Plants (b) Invertebrates (c) Fishes (d) Mammals (e) Birds
Choose the correct answer from the options given below :

In-situ conservation refers to :

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for :

Which of the following is not a method of ex situ conservation?

According to Robert May, the global species
diversity is about

Which of the following regions of the globe
exhibits highest species diversity?

Which one of the following is not a method of in situ conservation of biodiversity?

All of the following are included in ‘ex-situ
conservation’ except

Pollen grains can be stored for several years
in liquid nitrogen having a temperature of

Which one of the following is related to Ex-situ conservation of threatened animals and plants ?

Alexander Von Humbolt described for the first time :

The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as :

Which of the following National Parks is home to the famous musk deer or hangul ?

How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?

Red List contains data or information on

Which of the following is correctly matched ?

Which of the following is the most important cause of animals and plants being driven to extinction ?

Which is the National Aquatic Animal of India ?

Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as:

In which of the following both pairs have correct combination ?

The species confined to a particular region
and not found elsewhere is termed as -

The organization which publishes the Red List of species is :