Chapter test—Chapter 2 Functioning organisms This test is a mixture of multiple choice questions and short answer questions. For the multiple choice questions, please circle the correct answer. For the short answer questions, please write on the lines provided. Each of the multiple choice questions is worth one mark. The short answer questions have their marks allocated next to the question. 1 ‘Mummification’ was performed by: A Egyptians B Aztecs C Early Americans D Sumerians 2 Which organ is a cardiologist’s specialty? A heart B skin C brain D blood 3 The tubular muscle that forces food down to your stomach is called the: A oesophagus B pancreas C liver D tongue 4 The gastric juices in your stomach are made of: A hydrochloric acid B enzymes C hydrochloric acid and enzymes D none of the above 5 The circulatory system: A digests food B controls hormones in your body C eliminates waste D moves blood around your body 6 Blood travels through tubes called: A blood vessels B blood pipes C blood tubes D intestines 7 Veins carry blood to the: A heart B lungs C brain D body 8 A heart attack is commonly caused by: A an artery blockage B fatty deposits blocking important blood vessels in the heart C a blood clot D getting a bad mark on a school test Oxford Big Ideas Science 8 © Oxford University Press Australia 9 We breathe out: A nitrogen B oxygen C carbon dioxide D hydrogen 10 Alveoli are: A blood vessels B organs C branches of the trachea D tiny air sacs 11 The diaphragm: A is a muscle that moves the lungs B is an air sac in the lungs C distributes oxygen to the blood D is another name for ‘wind pipe’ 12 Asthma and emphysema are both problems in the: A respiratory system B digestive system C nervous system D excretory system 13 Your body breaks down proteins to form: A blood cells B amino acids C DNA D oxygen 14 Another name for a sex cell is: A gamete B allele C DNA D zygote 15 What is a monotreme? A an organism with both male and female sex organs B an organism that reproduces asexually C a mammal that lays eggs D one of a pair of identical twins 16 Gestation is another name for: A pregnancy B reproduction C binary fission D offspring 17 Which of the following is a hermaphrodite? A snail B wrasse C nudibranch D all of the above 18 What is fragmentation? A splitting an organism in half to create two organisms B unfertilised eggs hatching into new organisms C a hermaphrodite reproducing on it’s own D eggs being fertilised outside of an organism Oxford Big Ideas Science 8 © Oxford University Press Australia 19 A spore is: A a type of gamete B a male reproductive organ C a female reproductive organ D a tiny reproductive structure 20 Vegetative reproduction is: A sexual reproduction in plants B asexual reproduction in plants C biodiversity of plants D selective breeding of plants 21 What is dissection? Why is it important in science? (2 marks) 22 The very first anatomists appeared in Egypt in the 3rd Century BC. What kind of investigations did they do and how did they contribute to a scientific understanding of the human body? (3 marks) 23 How did the body snatchers contribute to advancements in medical science? (1 mark) 24 Who is Dr Elizabeth Blackburn? What is she famous for? (2 marks) 25 Describe the roles of an oncologist and a radiologist. How might they work together? (3 marks) Oxford Big Ideas Science 8 © Oxford University Press Australia 26 How does the form of your intestines (wrinkly and long) make sense considering their function? (2 marks) 27 Food starts to break down in your mouth. What is in your mouth that starts this process? (1 mark) 28 What do white blood cells do, and why is their job so important? (2 marks) 29 What could happen if somebody had few or no platelets in their blood? (2 marks) 30 Why is the heart similar to a pump? (1 mark) 31 How are arteries, veins and capillaries different? (3 marks) Oxford Big Ideas Science 8 © Oxford University Press Australia 32 Explain how an unhealthy lifestyle puts people at a much higher risk of heart attack. (2 marks) 33 Explain why it is so important to have capillaries next to alveolus. (1 mark) 34 What is respiration, and what do we need it for? (2 marks) 35 What does the excretory system do, and which organs are involved? (2 marks) 36 Why is urine called urine? Why is it important? (2 marks) 37 Explain the difference between sexual and asexual reproduction. (2 marks) Oxford Big Ideas Science 8 © Oxford University Press Australia 38 What is a hermaphrodite? How do they reproduce? (2 marks) 39 What is the difference between self-pollination and cross-pollination? (2 marks) 40 Explain selective breeding. Give an example of why we would do this? (2 marks) Oxford Big Ideas Science 8 © Oxford University Press Australia