Questions
Trachea is lined with incomplete rings of _______ cartilages.
- fibrous
- calcified
- elastic
- hyaline
- elastic and fibrous
In lungs, air is separated from venous blood by:
- squamous epithelium and tunica external of blood vessel
- squamous epithelium and endothelium of blood vessel
- transitional epithelium and tunica media of blood vessel
- columnar epithelium and three layered wall of blood vessel
- columnal epithelium and transitional epithelium
Which of the following is/are called the miniature version of lungs?
- Larynx
- Pharynx
- Bronchioles
- Alveoli
- Trachea
Which of the following organelles contain respiratory enzymes?
- Chloroplast
- Lysosome
- Mitochondria
- Peroxisomes
- Plastids
Where does the impulse for voluntary forced breathing start?
- Medulla
- Cerebrum
- Spinal cord
- Cerebrospinal fluid
- Pons
Which of the following transports oxygen in the blood?
- Leucocytes
- Erythrocytes
- Thrombocytes
- Blood plasma
- Platelets
Presence of ______ in automobile exhaust causes respiratory problems.
- CO
- CH4
- Cl
- NO2
- CO2
Which of the following is/are the end product(s) of fermentation?
- Ethyl alcohol and CO2
- Ethyl alcohol and O2
- CO2 + heat
- Methyl alcohol
- Methyl alcohol and CO2
Which of the following is caused by the contraction of internal costal muscles in man?
- Aspiration
- Inspiration
- Forced expiration
- Forced inspiration
- Normal respiration
In which of the following diseases flattening of tracheal vessels cause alveoli to be deprived of oxygen?
- Asthma
- Bronchitis
- Pneumonia
- Emphysema
- Cancer
Acetyl Co A is produced from pyruvate by:
- oxidative hydrogenation
- oxidative phosphorespiration
- oxidative decarboxylation
- oxidative photophosphorylation
- oxidative phosphorylation
What should be the nature of blood so that it can transport O2 and CO2 properly?
- Slightly acidic
- Highly acidic
- Slightly alkaline
- Highly alkaline
- Neutral
Citric acid cycle is the alternative name of:
- Calvin cycle
- HMP shunt
- ETS
- Glycolysis
- TCA cycle
On which of the following factors does the respiratory quotient during cellular respiration depends?
- Amount of oxygen utilised
- Amount of carbon dioxide released
- Nature of substrate
- Nature of products
- Nature of enzymes involved
Aerobic respiratory pathway is appropriately termed as:
- anabolic
- catabolic
- amphibolic
- parabolic
- none of these
Accumulation of fluid between the pleura of lungs is called:
- pneumonia
- asphixia
- bronchitis
- pleurisy
- narcosis
What is the shape of oxygen dissociation curve under normal conditions?
- J-shaped
- S-shaped
- R-shaped
- M-shaped
- I-shaped
In which of the following animals does respiration occur without any respiratory organ?
- Fish
- Frog
- Cockroach
- Earthworm
- Bird
Which of the following disorders can be called Chronic Obstructive Pulmonary Disease (COPD)?
- Asthma
- Emphysema
- Bronchitis
- All of the above
- Only (1) and (3)
Which of the following is the cause of asthma?
- Infection of trachea
- Infection of lungs
- Bleeding of pleural cavity
- Blockage of arteries
- Spasm in bronchial muscles
The term protoplasmic respiration refers to the respiration of:
- fats
- carbohydrates
- proteins
- organic acids
- both fats and carbohydrates
During aerobic respiration, maximum ATP is synthesised by:
- ETS
- Krebs cycle
- Glycoysis
- Calvin cycle
- Fermentation
Match the following and choose the correct options given below.(i) Tidal volume A) 2500- 3000 ml of air ii) Inspiratory volume (B) 1000 ml of air iii) Residual volume (C) 500 ml of air iv)Vital capacity (D) 3400 - 4800 ml of air(v) Expiratory reserve volume (E) 1200 ml of air
- (i) - (A), (ii) - (C), (iii) - (B), (iv) - (E), (v) - (D)
- (i) - (B), (ii) - (A), (iii) - (E), (iv) - (D), (v) - (C)
- (i) - (C), (ii) - (A), (iii) - (E), (iv) - (D), (v) - (B)
- (i) - (D), (ii) - (E), (iii) - (B), (iv) - (C), (v) - (A)
- (i) - (A), (ii) - (B), (iii) - (C), (iv) - (D), (v) - (E)
The wind pipe arises in man from:
- larynx
- trachea
- nasopharynx
- oropharynx
- laryngopharynx
A person is suffering form frequent episodes of nasal discharge, nasal congestion, reddening of eyes and watery eyes. These are the symptoms of which of the following diseases?
- Asphixia
- Bronchitis
- Rhinitis
- Cyanosis
- Bronchial carcinoma