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Test: Respiratory Organs (NCERT)


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

Test: Respiratory Organs (NCERT) for NEET 2022 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 2022 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 structure of man is similar to the spiracle of cockroach?

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

Spiracle in cockroach and nostril in man are the opening through which air enter the body

Test: Respiratory Organs (NCERT) - Question 2

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

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

Larynx is a cartilaginous box containing nine pieces of cartilages.

Test: Respiratory Organs (NCERT) - Question 3

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 3

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.

Test: Respiratory Organs (NCERT) - Question 4

Read the given statements characterising certain types of animals. Select the option which correctly exemplifies each of these types.
(i)  Animal having external gills.
(ii)  Animal having internal gills.
(iii) An animal showing tracheal respiration.
(iv) Animal revealing buccopharyngeal respiration.

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

Necturus (Mud puppy, Amphibia) possesses three pairs of external gills. 
Pila (Apple snail, Mollusca) respires by means of gills (ctenidium) in water and by a pulmonary sac on land. 
Millipedes (Arthropoda) respire by tracheae (tracheal respiration).
Toads (Amphibia) exhibit buccopharyngeal respiration.

Test: Respiratory Organs (NCERT) - Question 5

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 5

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 6

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 6

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 7

In lungs, the air is separated from the venous blood through

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

The wall of the alveoli is very thin and has a rich network of blood capillaries. The alveolar capillary membrane consists mainly of squamous epithelium, epithelial basement membrane, a thin interstitial space, capillary basement membrane and capillary endothelium.

Test: Respiratory Organs (NCERT) - Question 8

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

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

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 9

Lungs are enclosed in

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

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 10

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 10

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

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