Biology - Excretory Products and their Elimination Question with Solution | TestHub
Given below are two statements:
Statement (I): Between the urinary bladder and the urethra, there are two sphincters, namely internal and external sphincters.
Statement (II): Of these, the external sphincter is made up of smooth muscles and dysfunction of the same can lead to kidney infection.
In light of the above statements, choose themost appropriateanswer from the options given below.
Options:
Answer:
Solution:
Statement (I) is correct because the opening of the urinary bladder into the urethra is guarded by two sphincters: the internal urethral sphincter and the external urethral sphincter.
Statement (II) is incorrect because the internal urethral sphincter is made up of smooth muscles (involuntary in nature), whereas the external urethral sphincter is made up of skeletal muscles (voluntary in nature).
Answer: Statement (I) is correct but Statement (II) is incorrect.
