Human Respiratory System MCQ

Test your knowledge with important Human Respiratory System MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Human Respiratory System MCQs on Bissoy. Bissoy App

• In which part of lungs gaseous exchange takes place in human?
  ক

  Trachea & alveolar duct

  খ

  Trachea & bronchi

  গ

  Alveolar duct & alveoli

  ঘ

  Alveoli & Trachea
• Alveoli is derived from the__________
  ক

  endoderm

  খ

  ectoderm

  গ

  mesoderm

  ঘ

  ecto-mesoderm
• Diaphragm increases volume of thoracic cavity in _________
  ক

  dorsal-ventral axis

  খ

  anterior posterior axis

  গ

  lateral regions

  ঘ

  side ways
• In the trachea _____ ‘C’ shaped cartilagenous rings are present.
  ক

  5-10

  খ

  10-15

  গ

  16-20

  ঘ

  20-25
• External nostrils → vestibules → nasal chambers → internal nares → naso pharynx → X → larynx → trachea. What is X?
  ক

  Glottis

  খ

  Alveoli

  গ

  Atria

  ঘ

  Bronchi
• Human lungs are made up of _____
  ক

  2 right lobes and 3 left lobes

  খ

  2 right lobes and 3 left lobes

  গ

  3 right lobes and 2 left lobes

  ঘ

  3 right lobes and 3 left lobes
• Which one of the following is secreted by Pnuemocyte type-II cells?
  ক

  Actin

  খ

  Lecithin

  গ

  Mucous

  ঘ

  Lysine
• Gaseous exchange occurs in ______
  ক

  bronchial tree

  খ

  respiratory tree

  গ

  trachea

  ঘ

  larynx
• Hyaline cartilage is not found in_________
  ক

  thyroid cartilage

  খ

  cricoid cartilage

  গ

  arytenoid cartilage

  ঘ

  cartilage of santorini
• Where are Bowman’s glands found?
  ক

  Olfactory epithelium

  খ

  Cortical nephrons

  গ

  Juxtamedullary nephrons

  ঘ

  Anterior pitutary
• In which respiratory part does the diffusion of gas take place?
  ক

  Alveoli

  খ

  Bronchi

  গ

  Bronchioles

  ঘ

  Trachea
• Pleura is _______ layered.
  ক

  Not

  খ

  Single

  গ

  Double

  ঘ

  Triple
• Trachea is a straight tube extending up to the ________
  ক

  end of pharynx

  খ

  middle of larynx

  গ

  posterior of the thoracic cavity

  ঘ

  anterior of the thoracic cavity
• Which network comprises the lung?
  ক

  Bronchi and bronchioles

  খ

  Trachea, tracheoles

  গ

  Bronchi, bronchioles, and alveoli

  ঘ

  Trachea only
• Which of the following is not a characteristic of alveoli?
  ক

  Thick

  খ

  Thin

  গ

  Irregular walled

  ঘ

  Vascularized
• Trachea, bronchi, and bronchioles are all supported by _______
  ক

  incomplete cartilaginous rings

  খ

  complete cartilaginous rings

  গ

  in-cartilaginous rings

  ঘ

  bones
• At which thoracic vertebrae does the trachea branch?
  ক

  Sixth

  খ

  Fourth

  গ

  Fifth

  ঘ

  Second
• ________ prevents the food from entering into the glottis during swallowing.
  ক

  Larynx

  খ

  Peri glottis

  গ

  Post glottis

  ঘ

  Epiglottis
• Which of the following part is known as the soundbox of our body system?
  ক

  Vocal gland

  খ

  Pharynx

  গ

  Larynx

  ঘ

  Nasopharynx
• The common passage for both food and air is called the esophagus.
  ক

  True

  খ

  False
• Which of the following is not part of the human respiratory system?
  ক

  Pharynx

  খ

  Alveoli

  গ

  Trachea

  ঘ

  Lumen