Homeostasis & Biomolecules
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12 QuestionsShow answers
  • Question 1
    30 seconds
    Q. The way an organism reacts is called - 
    answer choices
    photosynthesis
    a response
    a stimulus
    homeostasis
  • Question 2
    30 seconds
    Q. A growth response in plants is  called a - 
    answer choices
    stimuli
    photosynthesis
    homeostasis
    tropism
  • Question 3
    30 seconds
    Q. What organelle is mostly responsible for turgor pressure?
    answer choices
    cell wall
    cytoplasm
    vacuole
    nucleus
  • Question 4
    30 seconds
    Q. A plant wilting is an example of - 
    answer choices
    an internal stimulus
    an external stimulus
    plant death
    a response to maintain homeostasis
  • Question 5
    30 seconds
    Q. Which of the following is not an example of external stimuli?
    answer choices
    Thirst
    Light 
    Temperature
    Gravity
  • Question 6
    30 seconds
    Q. True or False. Wilting is when a plant loses turgor pressure.
    answer choices
    True
    False
  • Question 7
    30 seconds
    Q. Which biomolecule is found in almost all food sources?
    answer choices
    lipids
    carbohydrates
    proteins
    nucleic acids
  • Question 8
    30 seconds
    Q. What are the reactants in photosynthesis?
    answer choices
    carbon dioxide and water
    water and glucose
    glucose and oxygen
    water and oxygen
  • Question 9
    30 seconds
    Q. Which of the following is an example of an external stimulus?
    answer choices
    Thirst
    Eating
    Temperature
    Sweating
  • Question 10
    30 seconds
    Q. A balanced internal environment is called - 
    answer choices
    photosynthesis
    internal stimulus
    homeostasis
    external stimulus
  • Question 11
    30 seconds
    Q. What biomolecules cannot be stored for later use?
    answer choices
    nucleic acids
    carbohydrates
    lipids
    proteins
  • Question 12
    30 seconds
    Q. Which biomolecule is used for repair, reproduction and protein synthesis?
    answer choices
    lipids
    proteins
    nucleic acids
    carbohydrate
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