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Biology (Respiratory System)

Free Online Test Papers for Biology Covers chapters Respiratory System and other Medical studies IX-XII CBSE Respiration NCERT Pulmonary

25 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which structure separates the thorax from abdomen?

  1. Lungs
  2. Ribs
  3. Diaphragm
  4. Stomach
Question 2 Multiple Choice (Single Answer)

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

  1. Body surface
  2. Gills
  3. Parapodia
  4. Trachea
Question 3 Multiple Choice (Single Answer)

What is inflammation of the lungs commonly known as?

  1. Emphysema
  2. Pneumonia
  3. Bronchitis
  4. Asthma
Question 4 Multiple Choice (Single Answer)

What is another name for larynx?

  1. Throat
  2. Voice box
  3. Epiglottis
  4. Windpipe
Question 5 Multiple Choice (Single Answer)

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

  1. 400 ml
  2. 500 ml
  3. 600 ml
  4. 700 ml
Question 6 Multiple Choice (Single Answer)

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

  1. Larynx
  2. Epiglottis
  3. Tongue
  4. Lymph nodes
Question 7 Multiple Choice (Single Answer)

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
Question 8 Multiple Choice (Single Answer)

Which is the site of gaseous exchange in lungs?

  1. Bronchioles
  2. Trachea
  3. Bronchus
  4. Alveoli
Question 9 Multiple Choice (Single Answer)

In which organelle of cell does 'respiration' occur?

  1. Mitochondria
  2. Endoplasmic Reticulum
  3. Golgi apparatus
  4. Nucleus
Question 10 Multiple Choice (Single Answer)

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

  1. Cerebrum
  2. Hypothalamus
  3. Medulla oblongata
  4. Cerebellum
Question 11 Multiple Choice (Single Answer)

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
Question 12 Multiple Choice (Single Answer)

What is another name for trachea?

  1. Food-pipe
  2. Wind-pipe
  3. Vocal cord
  4. Epiglottis
Question 13 Multiple Choice (Single Answer)

The membrane enveloping the lungs is called _________________.

  1. pericardium
  2. peritoneum
  3. pleural
  4. endometrium
Question 14 Multiple Choice (Single Answer)

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

  1. Oxyhaemoglobin
  2. Carboxyhaemoglobin
  3. Bicarbonates
  4. Ammonia
Question 15 Multiple Choice (Single Answer)

Anaerobic respiration takes place in __________________.

  1. cockroach
  2. frog
  3. ascaris
  4. none of the above
Question 16 Multiple Choice (Single Answer)

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
Question 17 Multiple Choice (Single Answer)

Respiration involving exchange of gases is a _______________.

  1. physical process
  2. anabolic process
  3. endergonic process
  4. catabolic process
Question 18 Multiple Choice (Single Answer)

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
Question 19 Multiple Choice (Single Answer)

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
Question 20 Multiple Choice (Single Answer)

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
Question 21 Multiple Choice (Single Answer)

Trachea is lined with which type of tissue?

  1. Squamous epithelium
  2. Cuboidal epithelium
  3. Ciliated columnar epithelium
  4. Glandular epithelium
Question 22 Multiple Choice (Single Answer)

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

  1. Anemometer
  2. Spirometer
  3. Photometer
  4. Tachymeter
Question 23 Multiple Choice (Single Answer)

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
Question 24 Multiple Choice (Single Answer)

In Vertebrates, the respiratory pigment is ______________.

  1. haemocyanin
  2. haemerythrin
  3. chlorocruorin
  4. haemoglobin
Question 25 Multiple Choice (Single Answer)

What is respiration through gills known as?

  1. Tracheal respiration
  2. Cutaneous respiration
  3. Broncheal respiration
  4. Pulmonary respiration
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