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Test: Respiratory Organs (NCERT) - NEET MCQ


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10 Questions MCQ Test Biology Class 11 - Test: Respiratory Organs (NCERT)

Test: Respiratory Organs (NCERT) for NEET 2024 is part of Biology Class 11 preparation. The Test: Respiratory Organs (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Respiratory Organs (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Respiratory Organs (NCERT) below.
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Test: Respiratory Organs (NCERT) - Question 1

Which of the following options is incorrect about the larynx (sound box)?

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 1

Larynx is a cartilaginous box containing nine pieces of cartilages.

Test: Respiratory Organs (NCERT) - Question 2

Which of the following structures close the glottis during swallowing to prevent the entry of food wind pipe

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 2

Epiglottis is a leaf shaped cartilage that closes the glottis (opening leading into tarachea) to cheak the entry of food into it during swallowing. If during eating epiglottis remains open, then food particles may center the trachea (wind pipe) lending to reflex action of couhing. This removes the food particles from traches so that breathing does not get obstructed.

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Test: Respiratory Organs (NCERT) - Question 3

Tracheal tubes are present for which type of organisms?

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 3
  • Insects respire using an organ called trachea.
  • Several tubes are present for trachea that is uniformly distributed inside the body of the organism.
  • The trachea divides into tracheoles through which the oxygen is supplied to the body parts.
Test: Respiratory Organs (NCERT) - Question 4

The given figures are of human larynx, front view (i) and vertical section. (ii) Identify the labelled parts A to D.

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 4

In the given figure depicting the human larynx, the unidentified parts are as follows: (A) Epiglottis, (B) Cartilaginous rings of trachea, (C) Trachea, and (D) Larynx.

Test: Respiratory Organs (NCERT) - Question 5

Study the given figure of respiratory passage carefully and identify the parts labelled as A, B, C, D and E.
 

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 5

In the given figure depicting the respiratory passage in man, the unidentified parts are as follows: (A) Alveolar sac, (B) Secondary bronchus, (C) Alveoli, (D) Bronchioles, and (E) Trachea.

Test: Respiratory Organs (NCERT) - Question 6

Aquatic arthropods and mollusks use which organ for respiration?

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 6
  • Since aquatic arthropods and mollusks are mainly in water, they use gills for respiration.
  • These gills are present as outgrowths to their skin, which is covered by the exoskeleton.
  • The exchange of gases takes place through these gills.
Test: Respiratory Organs (NCERT) - Question 7

Mammalian lungs have an enormous number of minute alveoli (air sac); This is to allow

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 7

The number of alveoli in the human lungs has been estimated to be approximately 300 million. This enormous number of alveoli are meant to increase surface area of lungs for diffusion of gases.

Test: Respiratory Organs (NCERT) - Question 8

Lungs are enclosed in

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 8

The lungs are covered in a membrane called pleural membrane. The outer covering is called parietal pleura and the inner covering is called visceral pleura.

Test: Respiratory Organs (NCERT) - Question 9

The given figure shows the diagrammatic view of human respiratory system. Identify A, B, C and D.

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 9

In the given figure depicting the human respiratory system, the unidentified parts are as follows: A-Epiglottis, B-Alveoli, C- Bronchus, D-Diaphragm.

Test: Respiratory Organs (NCERT) - Question 10

Diffusion membrane consists of

Detailed Solution for Test: Respiratory Organs (NCERT) - Question 10

The diffusion membrane is made up of three major layers (Figure 17.4) namely, the thin squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance (composed of a thin basement membrane supporting the squamous epithelium and the basement membrane surrounding the single layer endothelial cells of capillaries) in between them.

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