Practice free Biodiversity and its Conservation (Botany) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Robert May's more conservative and scientifically sound estimate places the global species diversity at approximately:
The text mentions: 'but a more conservative and scientifically sound estimate made by Robert May places the global species diversity at about 7 million.'
What proportion of animals are insects, among the named species?
The text states: 'Of the named species, > 70 per cent are animals, of which 70 per cent are insects.'
Which country, located near the equator, is mentioned having nearly 1,400 species of birds?
The text provides the example: 'Colombia located near the equator has nearly 1,400 species of birds...'
India's bird diversity is stated to be more than 1,200 species. This high diversity is primarily attributed to:
The text implies this: 'India, with much of its land area in the tropical latitudes, has more than 1,200 species of birds.' This links high diversity to tropical latitudes.
The historic Convention on Biological Diversity, 'The Earth Summit' was held in Rio de Janeiro in the year:
CBD adopted at the Rio Earth Summit, 1992.
Among 'The Evil Quartet', which one is considered the most important cause driving extinction of species?
Habitat loss & fragmentation is the leading cause (NCERT, Evil Quartet).
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:
The "evil quartet" is habitat loss, over-exploitation, alien invasion and co-extinctions. Of those listed, A, B and D are valid causes.
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:
The standard term is ex-situ conservation; among the options given, the broader umbrella concept of "biodiversity conservation" is the closest fit.
List of endangered species was released by:
The IUCN Red List catalogues threatened species.
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 seasonal.
C. More solar energy is available in tropics.
D. Constant environments promote niche specialization.
E. Tropical environments are constant and predictable.
Choose the correct answer from the options given below:
Tropics are LESS seasonal (B false). A, C, D, E are valid reasons given in NCERT.
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