Question

How does biology help in leading a healthy life?
A. Sanitation practices
B. Over-eating
C. Use of dirty water
D. Weakness

Answer 1

Hint:Biology is a branch of science which deals with life and living organisms. The physical structure, chemical processes, physiological mechanisms, molecular interactions, evolution, and development of organisms are studied in Biology. It provides knowledge that enables people to live a proper life. It is a science for knowledge of life complexities.

Complete answer:Biology is a natural sciences subject that is an umbrella for diverse disciples related to life and living organisms. Biology gives an understanding of how life originated and how it works, changes, and responds to different environmental influences or stimuli. Human health, reproduction, nutrition, quality of life, and all other aspects of human life are influenced by biology. From unicellular to the complicated and sophisticated organisms called human beings, biology is the explanation of their very existence. Human health is a key disciple of biology. It provides us with the knowledge of human anatomy, physical and chemical processes of the body, etc.
Biology determines the origin of diseases, infections, functional problems, etc. discovery and production of medicines are efforts of biology. Biology also studies the various environmental factors that are known to be a threat to human existence. Biology helps in the cure and prevention of diseases. Biology provides us with tools and instruments for the betterment of human life. Quality of life is improved through biology as it presents us with a focus on maintaining good health. Using clean water, pollution-free air, vaccination against disease, nutritional diet, good sanitation practices, etc. are applications of biology.
Various sanitation practices, like clean food and water, storage and prevention from diseases, washing of hands, etc. are described by biology.

Hence, option A is the correct answer.

Note: Biology houses various other fields related to the enhancement of human life and environmental protection. Pharmaceuticals, biotechnology, Virology, etc. are major fields of biology that are enhancing the concept of modern biology. Recent discoveries like stem cells, bioluminescence, immunity boosters, etc. are keys to future life improvement tools. Also, biology is now widening to the concept of extraterrestrial life forms under the field of Astrobiology.