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The total number of species, that are known and described ranges between:

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Important Questions on The Living World

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Which of the following regions of the globe exhibits the highest species diversity?
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The diversity which is richness of different species in a range of habitats within a geological area in known as?
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A species is categorised as endemic because it is
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Select the correctly written scientific name of mango, which was first described by Carolus Linnaeus.
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According to Robert May, the global species diversity is about
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Match Column-I with Column-II for housefly classification and select the correct option using the codes given below:
 
Column – I Column – II
a. Family (i) Diptera
b. Order (ii) Arthropoda
c. Class (iii) Muscidae
d. Phylum (iv) Insecta
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Statement I : Alpha diversity is the species diversity between two adjacent ecosystems and is obtained by comparing the number of taxa unique to each of the ecosystems.
Statement II : Gamma diversity is the measure of the overall diversity for different ecosystems within an ecological region.

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Binomial nomenclature is introduced by
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Which one of the following is not included under in-situ conservation?
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Identify the correct statements with reference to greater biodiversity in the tropics.
A. The duration of time available for species diversification is limited.
B. Solar energy and water resources are available in abundance.
C. Tropical climates are not constant and cannot be predictable.
D. Tropical latitudes have remained relatively undisturbed for millions of years.
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Match the following
   List - I     List - II
(a) Charles Darwin (i) Systema Naturae
(b) John Ray (ii) Natural History
(c) Buffon (iii) Historia Generalis plantarum
(d) Linnaeus (iv) The origin of species

The correct answer is

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Given below is the representation of the extent of the global diversity of invertebrates. What groups the four portions (A-D) represent respectively?
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ICBN refers to:
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Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
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 Define genetic diversity.
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Study the four statements (A-D) given below and select the two correct ones out of them:
A. Definition of biological species was given by Ernst Mayr.
B. Photoperiod does not affect reproduction in plants.
C. Binomial nomenclature system was given by R.H. Whittaker.
D. In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are:
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Regional diversity is also called ________
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Select the option from the following which is not a major characteristic feature of biodiversity hotspots:
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India constitutes _____ percent of the world's land area and contributes _____ percent of the global species diversity.
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Which one of the following class of animals constitutes the largest biomass on earth?