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Exam 2015, questions and answers
Introduction to the Animal Body (ANS102)
Murdoch University
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ANS102 Introduction to the Animal Body Intrasemester exam 2015 Student Surname: ___________________ First Name ______________________ Student Number: _____________________________________________ Time allowed: 40 minutes + 5 minutes reading time (you may write in the reading time) Total marks: 40 (approximately 1 mark per minute) There are 4 questions each worth 10 marks each This is a closed book exam – no notes, study materials, or calculators permitted. Write your answers directly onto this exam paper. You may write in point form. HOWEVER, single word answers will not receive full credit; appropriate explanations must be given. Use of annotated diagrams to supplement your answer is strongly encouraged. 1 1) Answer the following multiple choice questions regarding cell biology. Write you selection (a-e) in the box to the right of each question (1 marks each) A. To enter or leave a cell, substances must pass through a. a microtubule. b. the Golgi apparatus. c. a ribosome. d. the nucleus. e. the plasma membrane. B. Bacterial cells are prokaryotic; in comparison to a typical eukaryotic cell they would: a. be smaller. b. have a smaller nucleus. c. lack a plasma membrane. d. have fewer internal membranous compartments. e. have a greater variety of organelles. C. The maximum size of a cell is limited by a. its need for enough surface area for exchange with its environment. b. the number of organelles that can be packed inside. c. the materials needed to build it. d. the amount of flexibility it needs to be able to move. e. the amount of food it needs to survive. D. The electron microscope has been particularly useful in studying bacteria, because a. electrons can penetrate tough bacterial cell walls. b. bacteria are so small. c. bacteria move so quickly they are hard to photograph. d. with few organelles present, bacteria are distinguished by differences in individual macromolecules. e. their organelles are small and tightly packed together. E. You would expect a cell with an extensive Golgi apparatus to a. make a lot of ATP. b. secrete a lot of material. c. move actively. d. perform photosynthesis. e. store large quantities of food F. Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic? a. The presence or absence of a rigid cell wall. b. Whether or not the cell contained internal membrane bound organelles. c. The presence or absence of ribosomes. d. Whether or not the cell carries out cellular metabolism. e. Whether or not the cell contains DNA. Answer: Answer: Answer: Answer: Answer: Answer: 2 2a) In the circles provided, draw and label the arrangement of the chromosomes during MITOSIS for a cell 2n=8. (6 marks) PROPHASE b) In the spaces provided in the boxes below, describe the principle difference at each stage between MITOSIS and MEIOSIS I (first division of meiosis). (4 marks) PROPHASE I of MEIOSIS METAPHASE METAPHASE I of MEIOSIS ANAPHASE ANAPHASE I of MEIOSIS 4 3) Below is an illustration of the hindpaw/foot of three different animals. (f) (a) a) Identify/label the bone in foot C indicated by the arrow (a) (1 mark) b) Colour in the equivalent bone on foot A and foot B (2 marks) c) What term is used to describe the foot posture illustrated in figure C? (1 mark) d) What type of animal does foot B belong to? (1 mark) e) Are the skeletal elements illustrated considered part of the axial or appendicular skeleton? (1 marks) f) Name the joint that is made at bone (f)? (1 marks) g) What is the action of the joint at point (f)? (1 mark) h) Define the term “sarcomere”. (2 marks) 5
Exam 2015, questions and answers
Course: Introduction to the Animal Body (ANS102)
University: Murdoch University
