Reflex Action and Reflex Arc MCQ

Test your knowledge with important Reflex Action and Reflex Arc MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Reflex Action and Reflex Arc MCQs at Bissoy

• How many types of photoreceptor cells are present in the retina?
  ক

  Two

  খ

  Three

  গ

  Four

  ঘ

  Five
• How many layers of neural cells are present in the retina?
  ক

  One

  খ

  Two

  গ

  Three

  ঘ

  Four
• The diameter of the pupil is regulated by which of the following?
  ক

  Muscle fibres of the iris

  খ

  Sclera

  গ

  Choroid layer

  ঘ

  Muscle fibres of the lens
• Which of the following layer forms the ciliary body?
  ক

  Sclera

  খ

  Cornea

  গ

  Choroid layer

  ঘ

  Retina
• Where are our eyes located?
  ক

  Zygomatic cavity

  খ

  Vomer cavity

  গ

  Orbits

  ঘ

  Sphenoid cavity
• Both nose and tongue detect dissolved chemicals.
  ক

  True

  খ

  False
• Which of the following has the gustatory receptors?
  ক

  Nose

  খ

  Tongue

  গ

  Eyes

  ঘ

  Skin
• The olfactory epithelium is the extension of which of the following?
  ক

  Hypothalamus

  খ

  Pituitary gland

  গ

  Association areas

  ঘ

  Limbic system
• The olfactory epithelium consists of how many cells?
  ক

  One

  খ

  Two

  গ

  Three

  ঘ

  Four
• In which of the following, olfactory receptors are present?
  ক

  Nose

  খ

  Eyes

  গ

  Throat

  ঘ

  Ears
• Which of the following is not a function of sensory organs?
  ক

  Detect all the changes in the environment

  খ

  Send appropriate signals to CNS

  গ

  Analysis of signals

  ঘ

  Receive signals
• Which of the following forms a reflex arc?
  ক

  Organ and tissue

  খ

  Cells and neurons involved

  গ

  Effort and load

  ঘ

  Stimulus and response
• In a reflex action, the efferent neurons receive a signal from the CNS.
  ক

  True

  খ

  False
• What is a reflex action?
  ক

  Action that flexes the body

  খ

  Involuntary action in response to a peripheral nervous stimulation

  গ

  Voluntary action in response to a peripheral nervous stimulation

  ঘ

  Voluntary action that flexes our body
• Which of the following is not stimulation for reflex action?
  ক

  Hot object

  খ

  Happiness

  গ

  Cold object

  ঘ

  Scary animals