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Evolution Test - 53

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Evolution Test - 53
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  • Question 1
    1 / -0
    Most advanced theory of origin of life is that of :
  • Question 2
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    Which period is largely associated with extinction of dinosaurs, increase in flowering plants and reptiles? 
    Solution
    The Cretaceous is characterized as the period somewhere in the range of 145.5 and 66 million years back, the last time of the Mesozoic Era, following the Jurassic and closure with the annihilation of the dinosaurs (aside from flying creatures).
    So, the correct option is 'Cretaceous'.
  • Question 3
    1 / -0
    The first seed plants appeared in 
    Solution
    The fossil plant Elkinsia polymorpha, a "seed plant" from the Devonian time frame around 400 million years back is viewed as the most punctual seed plant is known to date. Seed plants delivered their seeds along their branches without particular structures. 
    So, the correct option is 'Devonian era'.
  • Question 4
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    Closely related species with different traits exhibit
    Solution
    • Divergent evolution is the process whereby groups from the same common ancestor evolve and accumulate differences, resulting in the formation of new species. For example, two species that are very closely related and have undergone divergent evolution are the kit fox and the Arctic fox. The kit fox is native to Western North America, and is adapted to desert environments; it has sandy coloration, and large ears, which help it to remove excess body heat. The Arctic fox is native to Arctic regions and lives in the Arctic tundra biome of the Northern Hemisphere. Best adapted to cold climates, it has thick fur, which is white in the winter and brown in the summer, and a small, round body shape that minimizes heat loss.
    • Hence closely related species with different traits exhibit divergent evolution.
    • So, the correct answer is 'Divergent evolution'.
  • Question 5
    1 / -0
    Major radiation of mammals, birds and pollinating insects took plage in the epoch 
    Solution
    The Paleocene epoch is sectioned by two noteworthy occasions in Earth's history. It began with the mass termination occasion toward the finish of the Cretaceous, known as the Cretaceous - Paleogene (K– Pg) limit. This was a period set apart by the death of non-avian dinosaurs, monster marine reptiles and a lot of other fauna and verdure.
    So, the correct option is 'Palaeocene'.
  • Question 6
    1 / -0
    Adaptive radiation is
    Solution
    In biology, adaptive radiation is a procedure in which living beings expand quickly from an ancestor species into a huge number of new structures, especially when an adjustment in the earth makes new assets accessible, makes new difficulties, or opens new ecological specialties.
    So, the correct option is 'Evolution of different species from a common ancestor'.
  • Question 7
    1 / -0
    An evolutionary pattern characterised by a rapid increase in number of kinds of closely related species is called 
    Solution
    Adaptive radiation is a developmental example described by a fast increment in the number of sorts of firmly related species. A case of versatile radiation is the advancement of well-evolved creatures after the eradication of dinosaurs.
    So, the correct option is 'Adaptive radiation'.
  • Question 8
    1 / -0
    Parallelism is due to 
    Solution
    • Parallelism or parallel evolution refers to the evolutionary process wherein two or more species in the same environment develop similar adaptation or characteristics.
    • Parallel evolution is similar to convergent evolution in a way that two unrelated species evolved similar traits.
    • Hence parallelism is adaptive convergence of widely different species.
    • So, the correct answer is 'Adaptive convergence of widely different species'.
  • Question 9
    1 / -0
    Which one among the following is the latest era?
    Solution
    Cenozoic Era - This period started 66 million years back and incorporates the topographical present. 
    Mesozoic Era - This period started 251 million years back. 
    Paleozoic Era -This period started 542 million years back. 
    Precambrian Time -The Precambrian's lower limit isn't characterized, however, finished around 542 million years back. from above if you see all years then you will know Cenozoic era is the latest era.
    So, the correct option is 'Cenozoic'.
  • Question 10
    1 / -0
    Origin of first toothed birds and gymnosperms occurred during
    Solution
    • The Triassic Period was the first period of the Mesozoic Era and occurred 251 -199 million years ago. The Triassic period begins with the end of the Permian period and ends with the beginning of the Jurassic period.
    • Origin of first toothed birds and gymnosperms occurred during the Triassic period.
    • So, the correct answer is 'Triassic'.
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