Biology - Comprehensive Mock Test 32

Question 311 Medium

Which one of the followings is the function of Thoracic cavity?

A) Forms the floor of the thoracic cavity B) Encloses the lungs C) Contains the respiratory organs D) None of these

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Question 312 Medium

Voice box or ______ is the portion of the respiratory tract which contains the vocal cords for producing sound?

A) trachea B) glottis C) larynx D) epiglottis

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Question 313 Medium

The tube that runs from the middle ear to the pharynx ?

A) epiglottis B) trachea C) glottis D) auditory tubes

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Question 314 Medium

The primary muscle of inspiration which forms the floor of the thoracic cavity is ______

A) pleural membrane B) sternum C) ventricle D) diaphragm

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Question 315 Medium

The oxygen dissociation curve is shifted to the right by an increase in ______

A) H+ concentration B) PCO2 C) temperature D) All of these

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Question 316 Easy

The Medullary Respiratory centre is under ?

A) Nervous control B) Physical control C) Chemical Control D) Electric control

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Question 317 Easy

Rheumatic fever can cause damage ?

A) Alveoli of the Lungs B) heart valves C) heart muscles D) pleural membranes function

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Question 318 Medium

Number of lobes in both right land left lungs are respectively ?

A) three, two B) two, three C) two, one D) three, three

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Question 319 Easy

Lungs are enclosed by ?

A) diaphragm B) pleural membranes C) bronchiole membranes D) sternum

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Question 320 Medium

In which one of the following do the two names refer to one and the same things?

A) Krebs cycle and Calvin cycle B) Tricarboxylic acid cycle and citric acid cycle C) Tricarboxylic acid cycle and urea cycle D) Citric acid cycle and Calvin cycle

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