Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
At the neuromuscular junction:
BiologyNeural Control and CoordinationNEET
Options:
  • A The muscle membrane possesses musculariae receptors.
  • B The motor nerve endings secrete norepinephrine.
  • C Curare leads to prolongation of neuromuscular transmission.
  • D The motor nerve endings secrete acetylcholine.
Solution:
1325 Upvotes Verified Answer
The correct answer is: The motor nerve endings secrete acetylcholine.
The motor nerve endings secrete acetylcholine, which activates nicotinic receptors of the muscle fibre membrane. Curare inhibits the nicotinic receptors and blocks neuromuscular transmission.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play