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Standard XII
Biology
Question

The given diagram represents the T.S. of gut. Identify A, B, C and D.
A B C D
886569_c9af7510f68740828b43257e1a2af013.png
  1. Serosa, Muscularis, Submucosa, Mucosa
  2. Muscularis, Serosa, Submucosa, Mucosa
  3. Serosa, Muscularis, Mucosa, Submucosa
  4. Serosa, Submucosa, muscularis, Mucosa

A
Serosa, Muscularis, Mucosa, Submucosa
B
Serosa, Submucosa, muscularis, Mucosa
C
Muscularis, Serosa, Submucosa, Mucosa
D
Serosa, Muscularis, Submucosa, Mucosa
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Solution
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A.Serosa, Muscularis, Submucosa, Mucosa
Solution : The lining of gut from outside to inside is made up of outermost serosa, muscularis consisting of outer longitudinal and inner circular muscle fibres, submucosa and innermost mucosa.
So the correct answer is " Serosa, Muscularis, Submucosa, Mucosa".

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Rearrange the layers of the Esophagus in order, oriented from the outer layer to the inner layer: Mucosa ;Serosa ; Muscularis ; Submucosa


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Q2
How many of the following statements are wrong?
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II. Peg cells
III. Muscularis of oviduct
IV. Serosa of oviduct

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Match the following:
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Q5
Correctly match the components given in Column I, II and III:-
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