Which one of the following statements about arteries is not correct? | UPSC CAPF 2026 Q No 96

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Which one of the following statements about arteries is not correct?

Options:

  1. The inner lining is made of squamous endothelium.
  2. The middle layer is made of smooth muscle and elastic fibres.
  3. The outer layer is made of fibrous connective tissue with collagen fibres.
  4. Arteries have the thinnest walls amongst any other blood vessels.
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Accepted Answer

Accepted Answer: (D) Arteries have the thinnest walls amongst any other blood vessels.

Topic Covered: Biology and Environmental Science

Key Concept: Ecology, genetics, biotechnology and life processes

The correct choice follows from the standard scientific definition or process involved. “Arteries have the thinnest walls amongst any other blood vessels.” matches the relevant biological, ecological, chemical or energy concept, while the alternatives conflict with the core principle.

The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.

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