Passage Reading and English Comprehension
(a) outline the process by which Darwin formulated and modified his theory of natural selection
(b) propose a new interpretation of Darwin’s theory of evolution
(c) discuss some of the scientific controversy that Darwin sparked and describe his response to it
(d) defend Darwinian theory against the objections raised by Darwin’s contemporaries in the scientific community
107. It can be inferred from the passage that the theory of blending inheritance would predict that the offspring of
(a) two strains of snapdragons, one with abnormal, radically symmetrical flowers and the other with normal, bilaterally symmetrical flowers, would always have normal, bilaterally symmetrical flowers
(b) a white horse and a black horse would always be gray
(c) a man with type A blood and a woman with type B blood would always have type A, type B, or type AB blood
(d) a fly with large eyes and a fly with small eyes would always have one large eye and one small eye
108. It can be inferred from the passage that “wild-type” means
109. Which of the following, if it could be demonstrated, would tend to support the Lamarckian concept that Darwin embraced?
(a) ) Human beings evolved from now-extinct animals much like chimpanzees as a result of an erratic accumulation of changes in the gene pool through thousands of generations.
(b) Some parental traits disappear in offspring and reappear in the following generation.
(c) All species of organisms were immutably created in their present forms.
(d) Rats who have had their tails cut off produce tailless offspring.
110. The author’s attitude toward Jenkin and Kelvin can best be described as
111. According to the passage, Darwin modified his beliefs in order to
(a) bring them into line with the theory of particulate inheritance
(b) disprove Lord Kelvin’s view on the age of the earth
(c) dissociate himself from those who believed in “special creationism”
(d) meet the objections of Jenkin and Lamarck
112. The author sets off the word “rediscovered” in quotation marks in order to
(a) emphasize that major scientific theories are rarely acknowledged or accepted when they are first promulgated
(b) indicate that the term is somewhat ironic, since Mendel’s work was virtually ignored when it was published
(c) rebuke the scientific community for deliberately suppressing Mendel’s work until long after his death
(d) underscore the similarity between Mendel’s theory of particulate inheritance and the theory of blending inheritance that was accepted during his lifetime
113. It can be inferred from the passage that if Mendel’s work had been recognized and accepted during Darwin’s lifetime, it would have had which of the following effect?
I.It would have refuted Jenkin’s objections to Darwin’s theories.
II. It would have supported Darwin’s theory that evolution proceeds by very slow steps over millions of years.
III. It would have clarified and supported Darwin’s theory of natural selection.
(a) I only
(b) III only
(c) I and III only
(d) II and III only
114. All of the following can be reasonably inferred from the passage EXCEPT:
(a) The idea that evolution occurs by means of natural selection was not widely accepted until the twentieth century.
(b) Darwin was the only scientist of his day who believed in natural selection.
(c) Darwin’s theories were originally predicated on the assumption that the earth is more than 40 million years old.
(d) Many of Darwin’s ideas about heredity were later shown to be incorrect.
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