Human Biology Test Questions

Topics: Atom, Cell, Hydrogen Pages: 5 (1412 words) Published: May 5, 2013
BIO 101 – HUMAN BIOLOGY Midterm Exam I – Fall 2007
Please fill in your name and (SOLAR) ID number on your answer sheet before starting. Do not write anything under the column marked birthdate!!!!! Keep the opscan sheet that came with your test and do not use ANY other opscan form or you risk a misgrading. Answers to the multiple choice questions must be filled in on the answer sheet with a #2 pencil. There are 40 multiple choice questions. Answer sheets will be collected when time is called at 8:10 pm. If you finish before that time you may hand in your answer sheet and leave (everyone must stay until 7:20 pm!). Please keep your copy of the exam questions (it will be useful as a study aid for the FINAL!). Answers and grades will be posted ASAP on Blackboard. SELECT THE BEST ANSWER!! GOOD LUCK!


1. Select the INCORRECT statement: A. A cell is the basic unit of life. B. Tissues are composed of cells. C. Organs are composed of tissues. D. Organ systems are composed of organs. E. Homeostasis refers to condition of the external environment of the cell. @ 2. In a human body, which of the following systems participate in homeostasis? A. digestive B. cardiovascular C. lymphatic D. urinary E. All of the choices are correct. @ 3. The region in which populations interact with each other and with the physical (nonliving) environment is referred to as: A. an ecology B. an ecosystem @ C. a biosystem D. a community E. a cell 4. All A. B. C. D. E. members of the same species that exist in a certain area are called: a species group a population @ a community an ecosystem the biosphere

5. Choose the CORRECT order (1-5) of increasing complexity/organization. A. (1) tissues, (2) organ systems, (3) cells, (4) organs, (5) organism B. (1) cells, (2) organ systems, (3) tissues, (4) organs, (5) organism C. (1) tissues, (2) organs, (3) organ systems, (4) cells, (5) organism D. (1) cells, (2) tissues, (3) organs, (4) organ systems, (5) organism @ E. (1) tissues, (2) organs, (3) cells, (4) organ systems, (5) organism 6. Which of the following types of organisms utilize deoxyribonucleic acid (DNA) as their genetic material? A. animals B. fungi C. bacteria D. A and B only E. A, B, and C @ 7. A new species has been discovered. Individuals of this species are unicellular prokaryotes. Into which Kingdom should this species be classified? A. Monera @ B. Fungi C. Plantae D. Protista E. Animalia


8. Hierarchically, which of the following terms contains all of the others? A. community @ B. cell C. population D. organism E. organ. 9. An element’s identity can be easily identified by its number of: A. electrons B. protons @ C. neutrons D. bonds E. ions 10. The smallest unit of an element that still retains the chemical and physical properties of that element is called: A. an isotope B. a nucleus C. an atom @ D. a molecular bond E. neutrino 11. An electrically neutral atom will have equal numbers of: A. electrons and neutrons B. protons and neutrons C. electrons and protons @ 12. Isotopes of a given element have: A. the same atomic number but different atomic masses @ B. the same atomic mass but a different atomic number C. different atomic numbers and masses D. the same number of neutrons E. the same number of ions 13. If an atom becomes a positive ion, it: A. gains electrons B. loses electrons @ C. gains protons D. gains neutrons E. loses protons 14. In water, hydrogen bonding occurs between the hydrogen atom in one molecule and: A. an oxygen atom in the same molecule B. an oxygen atom in a different molecule @ C. a hydrogen atom in the same molecule D. a hydrogen atom in a different molecule E. a sodium atom in a different molecule


_______________________________________________________________ Answer questions 15-17 based on this diagram of a carbon atom.

15. Which of the following terms best describes this atom? A. positively charged ion B. electrically neutral atom @ C. negatively charged ion D covalently bonded molecule E....
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