What is the author's tone in this reading passage?

What is the author's tone in this reading passage?
 
  a. angry c. objective
  b. confused d. sad

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Ques. 2

Twins really do force us to question what is it that makes each of us who we are. Since meeting Elyse, it is
  undeniable that genetics play a huge roleprobably more than 50 percent. The word undeniable could be replaced by
 
  a. doubtful. c. questionable.
  b. not true. d. without question.

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Ques. 3

Which of the following is not an example of how identical twins Elyse and Paula are similar?
 
  a. their basic personalities c. their taste in books
  b. their life histories d. their taste in music

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Ques. 4

Why does Lawrence Wright, the author of a book on twins, say that a study like this would never happen today?
 
  a. It is too expensive to run.
 
  b. Scientists already know enough about identical twins.
  c. The adoption agencies wouldn't want to see the twins separated.
 
  d. This type of scientific study is considered unethical and would not be permitted.

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Ques. 5

All of the following words have a positive connotation except
 
  a. disruptive c. praise
  b. optimistic d. uplifting

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Ques. 6

Which term would you use to describe meanings of words that carry an extra emotional charge beyond the
 
  straightforward dictionary definition?
 
  a. positive charge c. euphemism
 
  b. connotation d. denotation

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Ques. 7

Which term would you use to describe when someone substitutes an inoffensive word or phrase for one that
 
  is likely to be offensive to someone?
 
  a. positive charge c. euphemism
  b. connotation d. denotation

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Ques. 8

Which of the following is NOT a good strategy you can use to stay focused as you read?
 
  a. Find something interesting to focus on. c. Set any distracting personal issues aside.
  b. Practice active reading. d. Study with the television or stereo on.

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Ques. 9

Researchers measure genetic contributions to personality in three ways: by studying personality traits in other species, by studying the temperament of human infants and children, and by doing heritability studies of twins
 
  and adopted individuals.
  A synonym for traits is
 
  a. symbols c. charges
  b. characteristics d. proof