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Living Environment - New York Regents June 2014 Exam

   Directions (1–30): For each statement or question, record on the separate answer sheet the number of the
word or expression that, of those given, best completes the statement or answers the question.

Formats View Examination Paper with Answers Solve Examination Paper Questions Review
: Multiple choice

Your Performance  

1.

1 How do cells in the ovary detect a hormone from
  the brain?
  (1) The brain sends a nerve impulse to the ovary.
  (2) White blood cells bring the hormone to the
      ovary.
  (3) Receptor molecules on the cells of the ovary
      bind with the hormone.
  (4) Vacuoles within the ovary bind with the
      hormone.

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  Half-n-half Clue
 

2.

2 Single-celled organisms are able to maintain
  internal stability because they
  (1) have multiple organ systems
  (2) work with other cells
  (3) contain structures that perform life functions
  (4) carry out photosynthesis to produce food

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  Half-n-half Clue
 

3.

3 A similarity between humans and many other
  multicellular animals is that they
  (1) occupy the same niche in most food webs
  (2) are composed of organ systems
  (3) have the same DNA sequences
  (4) carry out autotrophic nutrition

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  Half-n-half Clue
 

4.

4 In order to enter cells and be useful to the body,
  starch must be
  (1) absorbed through the skin
  (2) broken down into fats and water
  (3) digested into simple sugars
  (4) converted to carbon dioxide and ATP

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  Half-n-half Clue
 

5.

5 The increase of certain types of gases in the
  atmosphere has contributed to the problem of
  global warming. All these gases are
  (1) biotic factors
  (2) abiotic factors
  (3) organic factors
  (4) endangered factors

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  Half-n-half Clue
 

6.

6 Several goldfish were kept in a small aquarium for
  several years. The fish grew to be approximately
  6 centimeters long in the first year, and after that,
  growth in length stopped. These fish were later
  transferred to a large pond. In the pond, the
  goldfish grew much larger, reaching lengths of
  around 25 centimeters. Which statement provides
  the best explanation for the increased growth of
  the fish in the pond?
  (1) Chemicals present in the pond increased the
      amount of DNA in the fish, causing the
      growth increase.
  (2) The expression of genetic information in the
      fish was influenced by their surroundings.
  (3) The fish expressed and passed on only those
      characteristics that enabled them to survive
      in the new environment.
  (4) The size of the fish depended only on their
      food supply and not on their DNA.

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  Half-n-half Clue
 

7.

7 Autotrophs might survive when heterotrophs
  cannot, because autotrophs are able to
  (1) reproduce asexually
  (2) become dormant
  (3) exist without respiration
  (4) make their own food

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  Half-n-half Clue
 

8.

8 The inability of sperm cells to move normally
  could prevent the production of offspring by
  interfering with
  (1) meiosis             (3) fertilization
  (2) mitosis             (4) differentiation

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  Half-n-half Clue
 

9.

9 Which type of pathogenic microbe causes AIDS?
  (1) a bacterium
  (2) a virus
  (3) a multicellular fungus
  (4) a single-celled algae

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  Half-n-half Clue
 

10.

10 The diagram below represents a technique used to produce carrots.

Which reproductive process determines the traits present in the cluster of cells?
(1) meiosis                                              (3) fertilization
(2) mitosis                                              (4) differentiation

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  Half-n-half Clue
 

11.

11 The diagram below represents a scientific technique in use today.

Scientists have used this technique to
(1) produce hormones for human use at a lower cost than other methods
(2) produce pathogens that are able to live in humans
(3) clone human cells with desired characteristics
(4) eliminate the need for laboratory production of medicines for humans

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  Half-n-half Clue
 

12.

12 DNA is able to control cellular activities most
   directly by regulating the process of
   (1) meiotic division       (3) active transport
   (2) protein synthesis      (4) selective breeding

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13.

13 Which statement describes an effect of natural
   selection on a species?
   (1) It favors the survival of certain members
       of the species and results in a change in
       the proportion of individuals with highly
       adaptive traits.
   (2) It provides feedback mechanisms for members
       of a species and results in a change in the
       proportion of individuals with homeostatic
       controls.
   (3) It leads to reproduction with other species,
       increasing the number of different adaptations.
   (4) It increases competition between populations
       that occupy different niches, increasing the
       chance of extinction of the less-adapted
       species.

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  Half-n-half Clue
 

14.

14 Maple leaf beetles and willow leaf beetles are
   named for the type of tree where they live and
   reproduce. They look identical to each other
   when observed, but experiments have shown
   that willow beetles would starve before eating
   maple leaves. This is an example of specialization
   that would directly reduce
   (1) variation              (3) adaptation
   (2) competition            (4) replication

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  Half-n-half Clue
 

15.

15 Which event would most likely cause a change in
   a genetic sequence in an organism?
   (1) eating certain foods high in saturated fats
   (2) strenuous physical activity
   (3) exposure to radiation
   (4) a sudden exposure to cooler temperatures

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  Half-n-half Clue
 
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