COMPREHENSIVE SCIENCES
SAMPLE LIFE SCIENCES EXAM I (Units I, II, & III)

Name ________________________________________ ID # __________ Section ________

Instructions:

1. Use blue or black ink pen ONLY to answer questions on this examination

2. Read each question very carefully before answering. If you cannot answer a question immediately, skip it and come back to it later.

3. Write your answer in the space provided; do not repeat the question.

4. Each question is worth 4 points

A. QUESTIONS FROM TOPIC 1--INTRODUCTION TO SCIENCE

1. Give two differences to distinguish between SCIENCE and NON-SCIENCE

    i. _______________________________________________________________

   ii. _______________________________________________________________

 

2. Cite examples for each of the following

     i. An allied science _________________________________

    ii. An applied science _______________________________

   iii. A Botanical specialization ___________________________

   iv. A Zoological specialization ____________________________

3. Using the 4 steps of a scientific method, outline an investigation to either prove or disprove the hypothesis: "There are 5 male students in the life sciences class".

Step 1. ___________________________________________________________________________________

_________________________________________________________________________________________

Step 2.___________________________________________________________________________________

_________________________________________________________________________________________

Step 3. ___________________________________________________________________________________

_________________________________________________________________________________________

Step 4. ___________________________________________________________________________________

_________________________________________________________________________________________

 

4. Were theories formed in the laboratory? Why/why not?
_________________________________________________________________________________________

_________________________________________________________________________________________

5. Name a) one pre 20th century scientist and one 20th century scientist and cite their contributions to their field.

    a) Pre 20th century scientist _________________________________________________

        Contribution ___________________________________________________________________________

    b) 20th century scientist ____________________________________________________

        Contribution ___________________________________________________________________________

6. Cite 2 examples for living (organic) and 2 examples for nonliving (inorganic) matter

Organic   i. ________________________________

              ii. _________________________________

Inorganic i ________________________________

              ii ________________________________

7. List two characteristics common to all living things

    i. ___________________________________________________________________

   ii. ___________________________________________________________________

B. QUESTIONS FROM TOPIC 2--ECOLOGY

8. a) What is an ecological niche? _______________________________________________________

    b) What is your ecological niche? _____________________________________________________

9. Construct 4 level Pyramid of food chain and indicate the occupants at each level. At which level are the decomposers?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10. a. What type of energy is used by the producers? __________________________

      b. Does the amount of energy decrease or increase as you move up the levels? _____

11. List 2 density dependent and 2 density independent factors

     Density dependent factors 

         a. __________________________________________

         b. __________________________________________

     Density independent factors 

         a. __________________________________________

         b. __________________________________________

12. Define:  carrying capacity (K) _______________________________________________________________

_________________________________________________________________________________________

_________________________________________________________________________________________

13. Cite one example of an aquatic biome and one example of a terrestrial biome

    a) Aquatic biome ______________________________________________

    b) Terrestrial biome ____________________________________________

14. How does carbon enter the atmosphere? _______________________________________________________

      How is it removed from the atmosphere? _______________________________________________________

15. Distinguish between mutualism and commensalism

    a. Mutualism _____________________________________________________________________________
        _____________________________________________________________________________________

    b. Commensalism _________________________________________________________________________
        _____________________________________________________________________________________

16. Name two gases involved in air pollution

    a. _____________________________________

    b. _____________________________________

B. QUESTIONS FROM TOPIC 3--TAXONOMY

17 What do you understand by "Binomial nomenclature"? _____________________________________________

_________________________________________________________________________________________

18. Identify your taxonomic Phylum and class

    a. Phylum _____________________________

    b. Class _______________________________

19. Give one scientific example of the following

    a. Kingdom Plantae ___________________________________________________

    b. Kingdom Fungi ___________________________________________________

    c. Kingdom Protista _________________________________________________

    d. Kingdom Monera __________________________________________________

20. Distinguish between vascular and non-vascular plants

    a. Vascular _____________________________________________________________

    b. Non-vascular _________________________________________________________

21. What are Angiosperms ____________________________________________________

22. Cite two differences to distinguish between Invertebrates and Vertebrates

    i) ____________________________________________________________________

   ii) ____________________________________________________________________

23. What is a) the most primitive and b) most advanced animal

    a) most primitive _________________________________________

    b) most advanced ________________________________________

24. Distinguish between Eubacteria and Archaebacteria

__________________________________________________________________________________________

__________________________________________________________________________________________

25. Distinguish between mycorrhizae and lichen ______________________________________________________

__________________________________________________________________________________________

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BONUS QUESTIONS (2 points each)

1.. Briefly discuss "GLOBAL WARMING" _______________________________________________________

_________________________________________________________________________________________

_________________________________________________________________________________________

_________________________________________________________________________________________

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2. Name the African-American scientist for which the biology auditorium is named. __________________________

3. What is your Taxonomic class? _______________________________________________________________

4. What was the contribution of Watson and Crick to science?  _________________________________________ _________________________________________________________________________________________

5. What is an ecosystem? _____________________________________________________________________
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