Correct Answer - Option 3 : Penetration
The logic follows here is:
Penetrate means to enter or pierce and it's a physical action and rest are all related to thoughts and views and opinions.
Option 1 → Discernment means the ability to judge something well.
Example: He shows great discernment in his choice of friends.
Option 2 → Perception means an opinion or the ability to understand something.
Example: We have to change the public's perception that money is being wasted.
Option 3 → Penetration means having the power to enter or pierce deeply.
Example: These tubes penetrate to all parts of the plant and occur in all parts of the root, stem and leaves.
Option 4 → Insinuation means to introduce or work in; to suggest, without being direct, that something unpleasant is true.
Example: He criticizes his opponents by insinuation rather than directly.
Hence, the correct answer is "Penetration".
