Which of the following best describes the primary focus of biology as a scientific discipline?

• A. The analysis of celestial bodies and their formation
• B. The study of living organisms and their interactions with the environment
• C. The investigation of chemical reactions in non-living matter
• D. The exploration of physical laws governing the universe

Answer: (B)

Verified step by step guidance

1. Understand the definition of biology: Biology is the scientific study of life and living organisms, including their structure, function, growth, evolution, distribution, and interactions with their environment.
2. Analyze the options provided in the question. Identify which options are related to the study of living organisms and their interactions with the environment.
3. Option 1: 'The analysis of celestial bodies and their formation' relates to astronomy, not biology. Eliminate this option.
4. Option 3: 'The investigation of chemical reactions in non-living matter' pertains to chemistry, specifically inorganic chemistry, and is not the focus of biology. Eliminate this option.
5. Option 4: 'The exploration of physical laws governing the universe' is the domain of physics, not biology. The correct answer is Option 2: 'The study of living organisms and their interactions with the environment,' as it aligns with the primary focus of biology.