NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is homeostasis?
A
A separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end.
B
The process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.
C
The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
D
Part of the cell cycle when replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the number of chromosomes is maintained.
Explanation: 

Detailed explanation-1: -homeostasis is the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. Cells is the smallest structural and functional unit of an organism.

Detailed explanation-2: -Homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements maintained by the physiological process. In the body, some systems support homeostasis, like the nervous and endocrine system.

Detailed explanation-3: -Homeostasis has become the central unifying concept of physiology and is defined as a self-regulating process by which an organism can maintain internal stability while adjusting to changing external conditions.

Detailed explanation-4: -Homeostasis is a dynamic equilibrium that is maintained in body tissues and organs. It is dynamic because it is constantly adjusting to the changes that the systems encounter. It is an equilibrium because body functions are kept within a normal range, with some fluctuations around a set point.

Detailed explanation-5: -In biology, homeostasis (British also homoeostasis) (/hɒmɪə(ʊ)ˈsteɪsɪs/) is the state of steady internal, physical, and chemical conditions maintained by living systems.

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