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Evolution Test - 7

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Evolution Test - 7
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Weekly Quiz Competition
  • Question 1
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    Consider the following three statements and select the correct option stating which one is true (T) and which one is false (F).
    (i) The skull of baby chimpanzee is more like adult human skull than adult chimpanzee skull.
    (ii) The first mammals were like shrews.
    (iii) The work of Thomas Malthus on populations influenced Lamarck.

    Solution

    (i) The skull of a baby chimpanzee is more like an adult human skull than an adult chimpanzee skull. This is true. The skulls of baby chimpanzees and humans are very similar in shape and size. As they grow, the skulls of chimpanzees begin to differentiate and become more distinct.

    (ii) The first mammals were like shrews. This is also true. The earliest known mammals were small, shrew-like creatures that lived during the Mesozoic Era, around 200 million years ago.

    (iii) The work of Thomas Malthus on populations influenced Lamarck. This is false. It was Charles Darwin, not Jean-Baptiste Lamarck, who was influenced by Thomas Malthus 's work on population growth. Malthus 's ideas on population growth and scarcity of resources influenced Darwin 's theory of natural selection. Lamarck, on the other hand, proposed a different theory of evolution based on the inheritance of acquired characteristics.
    Correct answer is C.

  • Question 2
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    Which one of the following statements is correct?

    Solution

    Homo erectus that appeared about 1.7 million years ago in middle pleistocence is the ancestor of fan.

  • Question 3
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    The figure shows the skull of which Homo erectus?
    The skull belongs to Homo erectus with chin absent

    Solution

    The skull belongs to Homo erectus erectus, also known as Java man. Chin was absent whereas jaw prognathous. They were omnivorous. Cannibalism was also found.

  • Question 4
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    The primate which existed  15  mya  was __________.

    Solution

    Ramapithecus appeared about 15 million years ago in Pliocene epoch. Fossil of Ramapithecus was discovered by Edward Lewis (1932) from rocks of Shivalik Hills of India.

  • Question 5
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    The brain capacity of  Homo erectus  was about  

    Solution

    Homo erectus   appeared about  1.7  million years ago in middle Pleistocene. Its brain capacity was about  900  c.c. He was about  1.5 −1.8  m  tall having erect posture. 

  • Question 6
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    Which theory attempts to explain to us the origin of universe?

    Solution

    Big-Bang theory was proposed by Abbe Lemaitre. It states that the universe originated due to a thermonuclear explosion of a dense entity. It was the first proposed theory.

  • Question 7
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    The most apparent change during the evolutionary history of  Homo sapiens  is traced by

    Solution

    The brain capacity gradually increased from early human ancestors. Homo habilis has 650 −800c.c., brain capacity which increased around 900c.c., in Homo erectus The Neanderthal man had 1400c.c., brain capacity which evolved to around 1450c.c., in Homo sapiens sapiens.

  • Question 8
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    According to spontaneous generation, life originated _____

    Solution

    In 1881, Donald johnson, found a 3.2 milion. Years old skeleton of a female human ancestor. He nicknamed it Lucky 's scientific name is Australopitheucs afranensis.

  • Question 9
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    Which of the following statements is correct regarding evolution of manking?

    Solution

    Homo erectus appeared about 1.7 million years ago in middle  Pleistocene. H.erectus evolved from Homo habillis that appeaed about 2 million years ago.

  • Question 10
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    The cranial capacity was largest among the

    Solution

    The cranial capacity of Neanderthal man was 1400c.c., Peking man had 850 −1100c.c., Java ape man had 800 −1000c.c. and African man had 500c.c.

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