Can you explain me what are Sorting structure, Selection structure and Controlling structure.
How is recursion Selection Structre?
Also, I think that the options of question 4 are not correct. Please get them corrected.
What is Selection Structure?
@HemantKumar what i found basically
control structure contains three types of structure
sequential , repitition and selection
selection is a type of structure that includes branching like in recursion
here see this
http://www.cs.fsu.edu/~cop3014p/lectures/ch4/index.html
dont forget to hit like and mark resolved if cleared 
I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.
On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.