Spring Break '12 Le Hw

30 Questions | Total Attempts: 191

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Spring Break

These questions were taken from a recent Regents Examination. We have discussed these topics in class. Good Luck. REMEMBER: PERIOD# followed by FIRST & LAST NAME


Questions and Answers
  • 1. 
    The ability to grow in size is a characteristic of living organisms. Although an icicle may grow in size over time, it is considered nonliving because there is 
    • A. 

      An increase in matter, but no increase in the number of icicles

    • B. 

      An interaction between the icicle and the environment

    • C. 

      No way for the icicle to move away from heat

    • D. 

      No metabolic activity present

  • 2. 
    The diagram below represents a woodpecker finch.  This bird may best be described as    
    • A. 

      a decomposer that most likely feeds on nectar (a sugary liquid) from flowers

    • B. 

      A heterotroph that may eat insects and is more closely related to a robin than to an earthworm

    • C. 

      A scavenger that feeds on animals and reproduces asexually

    • D. 

      An autotroph that probes tree bark for insects and is pathogenic

  • 3. 
    Which cell structure is correctly paired with its primary function? 
    • A. 

      Ribosome–protein synthesis

    • B. 

      Mitochondrion–movement

    • C. 

      Vacuole–cell division

    • D. 

      Nucleus–storage of nutrients

  • 4. 
    The diagram below represents many species of plants and animals and their surroundings.  The diagram best represents    
    • A. 

      Population

    • B. 

      Community

    • C. 

      Ecosystem

    • D. 

      Biosphere

  • 5. 
    The cytoplasm in a cell carries out a function similar to a function of which human system? 
    • A. 

      Respiratory

    • B. 

      Reproductive

    • C. 

      Circulatory

    • D. 

      Nervous

  • 6. 
    Which statement best describes a human chromosome? 
    • A. 

      It is made of amino acid subunits that form genes.

    • B. 

      It contains genes that may code for the production of enzymes.

    • C. 

      It is normally passed to the next generation through a placenta.

    • D. 

      It varies in function from one generation to the next.

  • 7. 
    Four different segments of a DNA molecule are represented below.     There is an error in the DNA molecule in    
    • A. 

      Segment 1, only

    • B. 

      Segment 3, only

    • C. 

      Segments 2 and 3

    • D. 

      Segments 2 and 4

  • 8. 
    Some human structures and their functions are listed below.     In a single-celled organism such as an ameba, all these functions can be performed by the    
    • A. 

      Nucleus

    • B. 

      Ribosomes

    • C. 

      Mitochondria

    • D. 

      Cell membrane

  • 9. 
    The diagram below can be used to illustrate cellular changes.     Which group of terms below best completes the diagram?    
    • A. 

      A) atmospheric oxygen B) mutations C) increased mitochondria

    • B. 

      A) radiation B) cancer C) mutations

    • C. 

      A) salt water B) more cytoplasm C) two nuclei

    • D. 

      A) less sunlight B) extra genes C) decreased mutation

  • 10. 
    A scientist wants to change the DNA of a sexually reproducing organism and have the new DNA present in every cell of the organism. In order to do this after fertilization, she would change the DNA in the 
    • A. 

      Zygote

    • B. 

      Placenta

    • C. 

      Testes of the father

    • D. 

      Ovaries in the mother

  • 11. 
    If the same antibiotic is used too many times, it can become less effective against a certain type of bacteria. This observation is best explained by the 
    • A. 

      Presence of pathogens in antibiotics

    • B. 

      Production of antibiotics by white blood cells

    • C. 

      Replication of viruses that attack bacteria

    • D. 

      Survival and reproduction of unaffected bacteria

  • 12. 
    Which group would most likely have the greatest survival success during a long period of environ- mental changes? 
    • A. 

      a small population of rabbits living in a field of grass

    • B. 

      A large population of red ants living in a forest

    • C. 

      An endangered population of polar bears living near an iceberg

    • D. 

      One species of bird that nests only in sugar maple trees

  • 13. 
    When changes occur in the genes of sex cells, these changes 
    • A. 

      Lead to mutations in the parent organism

    • B. 

      Are always harmful to the offspring

    • C. 

      Can be the basis for evolutionary change

    • D. 

      Only affect asexually reproducing organisms

  • 14. 
    Asexual reproduction produces offspring that each contain 
    • A. 

      Genetic information from one parent

    • B. 

      Genetic information from two parents

    • C. 

      Less genetic information than either parent

    • D. 

      A unique combination of genetic information

  • 15. 
    The diagram below represents part of a human reproductive system.  One of the functions of this part of the system is to    
    • A. 

      Supply essential nutrients to the offspring in the form of milk

    • B. 

      Provide nutritional support for the embryo

    • C. 

      Provide a structure that allows the mixing of maternal and fetal blood

    • D. 

      Produce specialized proteins used in the production and release of sperm

  • 16. 
    Which group below indicates the correct process for each event indicated? 
    • A. 

      Formation of egg: mitosis formation of sperm: mitosis growth of embryo: meiosis

    • B. 

      Formation of egg: mitosis formation of sperm: meiosis growth of embryo: mitosis

    • C. 

      Formation of egg: meiosis formation of sperm: mitosis growth of embryo: meiosis

    • D. 

      Formation of egg: meiosis formation of sperm: meiosis growth of embryo: mitosis

  • 17. 
    The drinking of alcoholic beverages by a pregnant woman is harmful to the development of her fetus. This is most damaging early in a pregnancy because during this time 
    • A. 

      The lungs of the fetus become functional

    • B. 

      Alcohol can easily enter the mouth of the fetus

    • C. 

      Many of the essential organs of the fetus are forming

    • D. 

      The fetus cannot excrete wastes

  • 18. 
    Which substance is an inorganic molecule?    
    • A. 

      Starch

    • B. 

      DNA

    • C. 

      Water

    • D. 

      Fat

  • 19. 
    Sweating is a process that helps cool the body during strenuous exercise. This is an example of 
    • A. 

      Recycling of gases

    • B. 

      Cellular respiration

    • C. 

      Gene malfunction

    • D. 

      Homeostasis

  • 20. 
    A population of animals is permanently split by a natural barrier into two separate populations in different environments. What will likely result after a long period of time? 
    • A. 

      The evolution of the two populations will be identical.

    • B. 

      The production of variations will stop in the two populations.

    • C. 

      The two populations will evolve into separate species.

    • D. 

      Autotrophic nutrition will replace heterotrophic nutrition in the two populations.

  • 21. 
    Which consequence could most likely be associated with a decrease in biodiversity in an area? 
    • A. 

      More species would be better able to survive a major environmental change.

    • B. 

      The ecosystems in the area would become more stable.

    • C. 

      The amount of genetic information in the species of the area would increase.

    • D. 

      Some sources of future foods or medications would be lost.

  • 22. 
    After a fire destroys a forest, the area will most likely 
    • A. 

      Remain bare land indefinitely

    • B. 

      Develop into a desert area

    • C. 

      Develop into an entirely different type of forest after hundreds of years

    • D. 

      Recover through gradual changes back to a point of long-term stability

  • 23. 
    A laboratory technique is represented in the diagram below.  Which knowledge was needed to develop this technique? 
    • A. 

      Knowledge of sexual reproduction in plants

    • B. 

      Knowledge of the structure of starch molecules

    • C. 

      Knowledge of the development of embryos

    • D. 

      Knowledge of the structure of a DNA molecule

  • 24. 
    Male stickleback fish with red undersides attack other male sticklebacks with red undersides and also attack models of fish with red undersides. Sticklebacks and fish models without red undersides are not attacked. Which is the best inference that can be drawn regarding this behavior? 
    • A. 

      A male stickleback will defend its territory against all other fish.

    • B. 

      The stimulus for an attack is a model with red fins or a male stickleback.

    • C. 

      The stimulus for an attack is a red underside.

    • D. 

      Male sticklebacks turn red to attract females.

  • 25. 
    Specialized cells and organs are necessary in multicellular organisms because in these organisms 
    • A. 

      Fewer cells are in direct contact with the external environment

    • B. 

      All cells are in direct contact with the external environment

    • C. 

      A body type evolved that relied on fewer body cells

    • D. 

      A body type evolved that required larger sized cells

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