The epithelial lining the alveoli of the frog's lungs facing lung cavity is _______________.

Columnar, non-ciliated

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Columnar, ciliated

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Squamous ciliated

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Squamous, non-ciliated

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Solution

The correct option is B Columnar, ciliated
Alveoli is highly vascularised with an internal lining of very thin squamous epithelium which always remains moist by mucus. The epithelial cells at the most margins of septa facing the lung cavity are columnar and ciliated.
So, the correct option is B.

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Similar questions

Q. Match the following.

List-I	List-II
(A) Simple squamous epithelium	(I) Ureters
(B) Simple cuboidal epithelium	(II) Epididymis
(C) Non-ciliated simple columnar epithelium	(III) Lining of alveoli of lungs
(D) Transitional epithelium	(IV) Lining of thyroid vesicles
(E) Pseudostratified non-ciliated columnar epithelium	(V) Mucosa of stomach and intestine

Q. Assertion (A): Alveoli of the lungs are lined by epithelial cells.
Reason (R): Gas exchange occurs in the lungs.

Q. Note the following :
A It forms the lining of the cavities of alveoli of the lungs
B. It forms the lining of wet surfaces like buccal cavity and oesophagus
C. It occurs in the ducts of sweat glands
D. It forms the lining of salivary glands and sweat glands
E. It is a loose connective tissue

Which of the above are associated with simple epithelial tissue

Q. The lungs of a frog are

Question 40
Write true (T) or false (F)
(a) Epithelial tissue is a protective tissue in animal body.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces.
(d) Epithelial layer is a permeable layer.
(e) Epithelial layer does not allow regulation of materials between body and external environment.

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The epithelial lining the alveoli of the frog's lungs facing lung cavity is _______________.

The correct option is B Columnar, ciliatedAlveoli is highly vascularised with an internal lining of very thin squamous epithelium which always remains moist by mucus. The epithelial cells at the most margins of septa facing the lung cavity are columnar and ciliated.So, the correct option is B.

The correct option is B Columnar, ciliated
Alveoli is highly vascularised with an internal lining of very thin squamous epithelium which always remains moist by mucus. The epithelial cells at the most margins of septa facing the lung cavity are columnar and ciliated.
So, the correct option is B.