NEET 2011 · Class 11

Body Fluids and Circulation

The cells lining the blood vessels belong to the category of

  1. (A)smooth muscle tissue
  2. (B)squamous epithelium
  3. (C)columnar epithelium
  4. (D)connective tissue

The NCERT line that answers it

Verbatim line

Basically, each artery and vein consists of three layers: an inner lining of squamous endothelium, the **tunica intima**, a middle layer of smooth muscle and elastic fibres, the **tunica media**, and an external layer of fibrous connective tissue with collagen fibres, the **tunica externa**.

Chapter
Body Fluids and Circulation
Section
15.4 DOUBLE CIRCULATION
Page
8
Words matched
44 of 44

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

3333, emb=1.0, combined=0.7333). Verified: high — The span explicitly states that blood vessels have 'an inner lining of squamous endothelium,' which directly identifies the cells lining blood vessels as squamous epithelium, matching option B.

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Question text is reproduced from the published NEET 2011 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.