According to the need hierarchy theory of Maslow basic need at bottom level's is considered:

Question

Accepted Answer

The correct option is 2:

Physiological needs, such as air, food, water, shelter, clothing, warmth, and sleep, are considered the most basic and fundamental needs in Abraham Maslow's Hierarchy of Needs. These are the biological requirements for human survival. According to Maslow, if these needs are not met, the human body cannot function optimally, and all other needs become secondary. We must satisfy these fundamental survival needs before we can move up the pyramid to pursue higher-level needs. This forms the foundation upon which all other motivations and needs rest.

The incorrect option is 1:
Belongingness needs are the third level of Maslow's hierarchy, falling into the category of "Love and Belonging." This level focuses on the need for interpersonal relationships, affection, and belonging to a group, such as family, friends, or social organizations. These needs are psychological and are pursued only after the physiological and safety/security needs are satisfied.

The incorrect option is 3:
Self-Actualization needs represent the highest level of Maslow's hierarchy, situated at the very top of the pyramid. This level refers to realizing one's full potential and personal growth, which is the desire to become the most one can be. Because this need is at the apex, it is the last to be addressed and is definitely not considered the basic need at the bottom level.

The incorrect option is 4:
Security needs, or Safety needs, are the second level in Maslow's hierarchy, placed directly above the physiological needs. This level focuses on the need for personal security, financial security, health and well-being, and safety against accidents or illness. While basic, these are addressed only after the core physiological necessities for immediate survival are met.