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5 Written questions

5 Matching questions

  1. Endocrine system
  2. Osmosis
  3. Transpiration
  4. Effector neurons
  5. Affector neurons
  1. a Sytstem of ductuless glands that produce hormones which are released directly into the bloodstream.
  2. b Loss of water from the surfaces of a plant.
  3. c Neurons that transmit information about changes in external or internal conditions to the central nervous system. Also called sensory neurons.
  4. d Neurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.
  5. e The net movement of water across a partially permeable membrane without an input of energy and down a concentration gradient.

5 Multiple choice questions

  1. In animals, chemicals produced in endocrine glands that are released into and transported via that bloodstream to other parts of the body where they act.
  2. Exntension of a nerve cell along which impulses are transmitted away from that cell.
  3. Endocrine attached to the hypothalamus. Influences the production of thyroxine by the thyroid gland.
  4. The part of the nervous system that is comprised of the brain and spinal cord.
  5. Excretory organs involved in osmoregulation.

5 True/False questions

  1. Tolerance rangeNerve cells found within the CNS which communicate between affector and effector neurons.


  2. HypothalamusOrganisms whose body temperature is maintained by internal metabloic sources.


  3. PoikilothermicOrganism that is able to maintain an internal body temperature within a narrow range. Endothermic.


  4. AdaptationsLoss of water from the surfaces of a plant.


  5. AntifreezeWaxy outer layer on a leaf.


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