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5 Written questions

5 Matching questions

  1. taxonomy
  2. electron transport chain
  3. auxin
  4. heart
  5. budding
  1. a The muscular organ that pumps blood through the circulatory system. Mammals and birds have a four-chambered heart, with a left atrium and ventricle and a right atrium and ventricle. The right half of the heart receives deoxygenated blood from the body and pumps it to the lungs, while the left half receives oxygenated blood from the lungs and pumps it to the body.
  2. b The study of biological classification.
  3. c Asexual reproductive process in which a small portion of the cell membrane and cytoplasm receive a nucleus and pinch off from the parent cell.
  4. d One in a class of plant hormones that stimulates (among other things) cell elongation, secondary tissue growth, and fruit development.
  5. e The final stage of aerobic respiration. The electron transport chain establishes an electrochemical gradient across the inner mitochondrial membrane that powers the synthesis of ATP in oxidative phosphorylation.

5 Multiple choice questions

  1. The largest artery in the body; carries oxygenated blood from the left ventricle of the heart.
  2. Usually unicellular and microscopic, spores are produced by protist molds, fungi, and plants and are able to develop into new individuals. Spores are able to survive without food or water for long periods. Most fungi spend part of their life cycle as hyphae and part as spores.
  3. A trait that is morphologically and functionally similar to that of a different species but that arose from a distinct, ancestral condition.
  4. A form of asexual reproduction in which plants produce genetically identical offshoots (clones) of themselves, which then develop into independent plants.
  5. Animals that are unable to retain heat produced by metabolic activities. Also known as ectothermic. The metabolism of cold-blooded animals is greatly influenced by climate and temperature.

5 True/False questions

  1. plasmidsAn energy-carrying coenzyme produced by glycolysis and the Krebs cycle. NADH carries energy to the electron transport chain, where it is stored in ATP.


  2. parathyroidAn organism that can produce the organic molecules and energy necessary for life through the processes of photosynthesis or chemosynthesis. Autotrophs do not rely on other organisms for food. In a food web, autotrophs are producers.


  3. endoskeletonAn interior skeleton found in vertebrates made of bone and cartilage.


  4. pancreasA digestive organ that releases enzymes into the small intestine. Also an endocrine gland that regulates glucose levels in the blood by the release of insulin or glucagon from specialized cells called islets of Langerhans.


  5. bulbAn emulsifier of fats secreted by the liver and stored in the gallbladder for release in the small intestine.