Which among the following is NOT the characteristic feature of Smooth Muscle Fibres?

  1. They bear a central single nucleus
  2. These fibres are cylindrical in shape
  3. They are present in internal organs
  4. They are involuntary in nature

Answer (Detailed Solution Below)

Option 2 : These fibres are cylindrical in shape
Free
RRB NTPC CBT-I Official Paper (Held On: 4 Jan 2021 Shift 1)
100 Qs. 100 Marks 90 Mins

Detailed Solution

Download Solution PDF

The correct answer is These fibres are cylindrical in shape.

  • Smooth muscle is an involuntary non-striated muscle found in the walls of hollow organs, such as the intestines, uterus and stomach.

Key Points

  • These fibres are spindle-shaped and are pointed at both ends.
  • They bear a single nucleus which is central.
  • These are involuntary in nature and are also found in the tracts of the urinary, respiratory and reproductive systems.
  • These muscles also play an important role in the ducts of exocrine glands.

Latest RRB NTPC Updates

Last updated on Jun 27, 2025

-> RRB NTPC Under Graduate Exam Date 2025 will be out soon on the official website of the Railway Recruitment Board. 

-> RRB NTPC Exam Analysis 2025 is LIVE now. All the candidates appearing for the RRB NTPC Exam 2025 can check the complete exam analysis to strategize their preparation accordingly. 

-> The RRB NTPC Admit Card will be released on its official website for RRB NTPC Under Graduate Exam 2025.

-> Candidates who will appear for the RRB NTPC Exam can check their RRB NTPC Time Table 2025 from here. 

-> The RRB NTPC 2025 Notification released for a total of 11558 vacancies. A total of 3445 Vacancies have been announced for Undergraduate posts like Commercial Cum Ticket Clerk, Accounts Clerk Cum Typist, Junior Clerk cum Typist & Trains Clerk.

-> A total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC) such as Junior Clerk cum Typist, Accounts Clerk cum Typist, Station Master, etc.

-> Prepare for the exam using RRB NTPC Previous Year Papers.

-> Get detailed subject-wise UGC NET Exam Analysis 2025 and UGC NET Question Paper 2025 for shift 1 (25 June) here

Hot Links: teen patti gold new version 2024 teen patti cash game teen patti 50 bonus teen patti download apk teen patti master 2024