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Biology (Respiratory System)

Description: Free Online Test Papers for Biology Covers chapters Respiratory System and other Medical studies IX-XII CBSE Respiration NCERT Pulmonary
Number of Questions: 25
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Tags: Biology Respiratory System Medical IX XII CBSE Respiration NCERT Pulmonary NTSE ICSE Science Chemistry Physics Math English Social Science
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Which structure separates the thorax from abdomen?

  1. Lungs

  2. Ribs

  3. Diaphragm

  4. Stomach


Correct Option: C
Explanation:

3

What is/are the organ(s) of respiration in cockroaches?

  1. Body surface

  2. Gills

  3. Parapodia

  4. Trachea


Correct Option: D
Explanation:

Trachea is the organ of respiration in cockroaches. 

What is inflammation of the lungs commonly known as?

  1. Emphysema

  2. Pneumonia

  3. Bronchitis

  4. Asthma


Correct Option: B
Explanation:

2

What is another name for larynx?

  1. Throat

  2. Voice box

  3. Epiglottis

  4. Windpipe


Correct Option: B
Explanation:

2

What is the value of tidal volume in a normal adult?

  1. 400 ml

  2. 500 ml

  3. 600 ml

  4. 700 ml


Correct Option: B
Explanation:

2

Which structure prevents the passage of food particles into the respiratory tract?

  1. Larynx

  2. Epiglottis

  3. Tongue

  4. Lymph nodes


Correct Option: B
Explanation:

2

The right lung of man is ______ lobed while the left lung is ______ lobed.

  1. 2 , 3

  2. 3 , 2

  3. 2 , 4

  4. 3 , 4


Correct Option: B
Explanation:

2

Which is the site of gaseous exchange in lungs?

  1. Bronchioles

  2. Trachea

  3. Bronchus

  4. Alveoli


Correct Option: D
Explanation:

4

In which organelle of cell does 'respiration' occur?

  1. Mitochondria

  2. Endoplasmic Reticulum

  3. Golgi apparatus

  4. Nucleus


Correct Option: A
Explanation:

1

Breathing rate in mammals is controlled by which part of the brain?

  1. Cerebrum

  2. Hypothalamus

  3. Medulla oblongata

  4. Cerebellum


Correct Option: C
Explanation:

3

What name is given to the maximum volume of air that can be breathed in or out of the lungs in one breath?

  1. Tidal Volume

  2. Residual Volume

  3. Vital Capacity

  4. Total Lung Capacity


Correct Option: C
Explanation:

3

What is another name for trachea?

  1. Food-pipe

  2. Wind-pipe

  3. Vocal cord

  4. Epiglottis


Correct Option: B
Explanation:

2

The membrane enveloping the lungs is called _________________.

  1. pericardium

  2. peritoneum

  3. pleural

  4. endometrium


Correct Option: C
Explanation:

3

Which is the form in which majority of carbon dioxide is transported in blood?

  1. Oxyhaemoglobin

  2. Carboxyhaemoglobin

  3. Bicarbonates

  4. Ammonia


Correct Option: C
Explanation:

3

Anaerobic respiration takes place in __________________.

  1. cockroach

  2. frog

  3. ascaris

  4. none of the above


Correct Option: C
Explanation:

4

Intercostal muscles which aid in breathing are present ________________.

  1. below the diaphragm

  2. in between the ribs

  3. in pleural cavities

  4. in the pharynx


Correct Option: B
Explanation:

2

Respiration involving exchange of gases is a _______________.

  1. physical process

  2. anabolic process

  3. endergonic process

  4. catabolic process


Correct Option: D
Explanation:

4

Deficiency of oxygen and accumulation of carbon dioxide in body tissues leads to death. Respiratory centres become paralysed. What is such a condition called?

  1. Acapnia

  2. Asphyxia

  3. Pleurisy

  4. Hypoxia


Correct Option: B
Explanation:

2

What is 'Hematosis'?

  1. Oxygenation of the blood

  2. Deoxygenation of the blood

  3. Stoppage of respiration due to low carbon dioxide concentration in blood

  4. None of the above


Correct Option: A
Explanation:

1

What is the correct equation for respiration?

  1. C6H12O6 + 6CO2 ------> 6H2O + 6CO2 + Energy

  2. C6H12O6 -------> 6CO2 + 6H2O

  3. C6H12O6 + 6O2 --------> 6CO2 + 6H2O + Energy

  4. C6H12O6 + 6H2O --------> 6CO2 + 6H2O


Correct Option: C
Explanation:

3

Trachea is lined with which type of tissue?

  1. Squamous epithelium

  2. Cuboidal epithelium

  3. Ciliated columnar epithelium

  4. Glandular epithelium


Correct Option: C
Explanation:

3

Which instrument is used to measure the amount of air exchanged during breathing?

  1. Anemometer

  2. Spirometer

  3. Photometer

  4. Tachymeter


Correct Option: B
Explanation:

2

The value of Respiratory Quotient (RQ) which indicates the type of food oxidized in the animal body during respiration __________________.

  1. varies with different foods

  2. is the same for all foods

  3. is always less than five

  4. is always more than five


Correct Option: A
Explanation:

1

In Vertebrates, the respiratory pigment is ______________.

  1. haemocyanin

  2. haemerythrin

  3. chlorocruorin

  4. haemoglobin


Correct Option: D
Explanation:

4

What is respiration through gills known as?

  1. Tracheal respiration

  2. Cutaneous respiration

  3. Broncheal respiration

  4. Pulmonary respiration


Correct Option: C
Explanation:

3

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