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Evolution Test - 89

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Evolution Test - 89
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  • Question 1
    1 / -0
    Being all mammals, whale, dolphin, bat, monkey and horse have some. important common characters, but they also show conspicuous differences. This is due to the phenomenon of 
    Solution
    Divergent evolution is the process of tracing back two or more species to their common ancestor. Thus, they become a different species to their ancestors and what was once one species has diverged into two. 
    So, the correct answer is "Divergence".
  • Question 2
    1 / -0
    Given below are assertion and reason. 
    Point out if both are true with the reason being the correct explanation (A)
    Both true but the reason is not a true explanation (B)
    Assertion true but the reason is wrong (C)
    Both are wrong (D)

    Assertion.
    Comparative biochemistry provides a strong evidence in favour of common ancestry of living kings. 
    Reason.
    The Genetic code is universal
    Solution
    It is frequently guaranteed that likenesses between living beings in their qualities and natural chemistry are proof that they have developed from a typical progenitor. For instance, here is a concentrate from Advanced Biology by Michael Kent (Oxford University Press, 2000): The most enticing proof that all life forms have developed from a typical predecessor originates from studies looking at the cell science and natural chemistry of various life forms, which uncover that: the genetic code contained inside nucleic acids is relatively general.
    So, the correct option is 'Assertion and reason are true and the reason is a correct explanation'. 
  • Question 3
    1 / -0
    Jurassic period belongs to era 
    Solution
    The Jurassic Period was the second section of the Mesozoic Era. It happened from 199.6 to 145.5 million years back, after the Triassic Period and going before the Cretaceous Period.
    So, the correct option is 'Mesozoic'.
  • Question 4
    1 / -0
    Modern birds rose in 
    Solution
    The Mesozoic Era endured in excess of 180 million years. Amid this time, numerous types of plants, spineless creatures, and fishes developed. Ashore, dinosaurs were the prevailing creatures, while the seas were populated by vast marine reptiles.
    So, the correct option is 'Mesozoic'.
  • Question 5
    1 / -0
    Which is incorrect ?
    Solution
    A.Correct option -A
    B.Explanation for correct option -A

    The theory of continuity of germplasm was proposed by Wiesmann in 1884 but published in 1893 and states that heritable information is transmitted by germ cells only to gonads but not by somatic cells. 
    Oparin and Haldane gave theories regarding the origin of life.
  • Question 6
    1 / -0
    For testing Oparin's hypothesis, Stanley Miller and Harold Urey used $$ H_2 , NH_3 $$ and two other chemicals which were :
  • Question 7
    1 / -0
    Development of adaptations along parallel lines in unrelated groups of animals is 
    Solution
    At the point when parallel development under comparable ecological conditions in remotely related life forms results in plants and creatures that are morphologically fundamentally the same as in generally speaking appearance, this is called convergent evolution.
    So, the correct option is 'Adaptive convergence'.
  • Question 8
    1 / -0
    Tasmanian wolf is a marsupial while wolf is a placental mammal. This is an example of
    Solution
    • Tasmanian wolf is a marsupial while the wolf is a placental warm-blooded creature and this shows convergent evolution.
    • Convergent evolution refers to the formation of similar traits by unrelated groups of organisms. 
    • As they are distantly related and occupying similar natural surroundings frequently grow autonomously similar morphological highlights that make them appear to be similar.
    So, the correct option is 'Convergent evolution'.
  • Question 9
    1 / -0
    Mesozoic era was dominated by 
    Solution
    Amid the Mesozoic Era, a life enhanced quickly and monster reptiles, dinosaurs, and different tremendous mammoths wandered the Earth. The period, which ranges from around 252 million years back to around 66 million years prior, was otherwise called the time of reptiles.
    So, the correct option is 'Reptiles'.
  • Question 10
    1 / -0
    Mesozoic era is known as golden age of
    Solution
    Amid the Mesozoic Era, life broadened quickly and mammoth reptiles, dinosaurs, and different immense brutes wandered the Earth.
    So, the correct option is 'Reptiles'.
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