Respiratory organ of scorpion is
(1)Book-lungs

(2)Book-gills

(3)Buccal cavity

(4)Lungs

Subtopic:  Respiratory System: Upper Respiratory Tract |
 71%
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Which of the following is true
(1)Gills are used by most of the aquatic animals

(2)lungs are used by most of the terrestrial animals

(3)Mammals have a well developed respiratory system

(4)All of the above

Subtopic:  Respiratory System: Transport of Gases |
 97%
From NCERT
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The mechanism of breathing depends on animal’s
1. habitat
2. level of organisation
3. Both A and B
4. Body segmentation

Subtopic:  Respiratory System: Pulmonary Ventilation |
 92%
From NCERT
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Which of the following is incorrect
(1)Whale-Lungs

(2)Tadepole larva-Gills

(3)Earthworm-moist skin

(4)Spider-lungs

Subtopic:  Respiratory System: Upper Respiratory Tract |
 70%
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How many external nostrils are present in human beings
1. 1
2. 2
3. 3
4. None of these

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 94%
From NCERT
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Nasopharynx opens through_________ of the larynx region into the trachea.
1. glottis
2. gullet
3. epiglottis
4. All of these

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 62%
From NCERT
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Which of the following is true about epiglottis
1. thin elastic cartilaginous flap
2. prevent food entry into larynx
3. Coughing occurs due to its improper movement
4. All of these

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 92%
From NCERT
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The common passage for food and air is
1. nasal passage
2. nasopharynx
3. oropharynx
4. pharynx

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 84%
From NCERT
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Which of the following is not supported by cartilaginous rings
1. Primary bronchioles
2. tertiary bronchioles
3. tracheae
4. alveoli

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 86%
From NCERT
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Which of the following comprise the lungs
1. tracheae along with network of bronchi, bronchioles and alveoli
2. network of bronchi, bronchioles and alveoli
3. alveoli only
4. Both A and B

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 51%
From NCERT
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