Statement I: Biotechnology involves the application of living organisms or their components to produce useful products and processes for human benefit.

Statement II: Biotechnology uses only unicellular organisms.

Only statement I is correct .

The correct answer is Option (1) -Only statement I is correct.

Biotechnology is a broad field of science that involves the use of living organisms, or their cellular and molecular components, to develop products and processes that are beneficial to humans. These applications can range from producing pharmaceuticals, vaccines, and biofuels to improving agricultural practices and environmental remediation.

Statement I accurately describes biotechnology's focus on utilizing living organisms or their components for various purposes.

However, Statement II is not entirely correct. Biotechnology employs a wide range of organisms, including both unicellular and multicellular organisms. Unicellular organisms, such as bacteria and yeast, are commonly used in biotechnological processes due to their ease of manipulation and rapid growth rates. However, multicellular organisms, including plants and animals, are also utilized in biotechnology for applications such as genetic engineering and gene therapy.

In summary, biotechnology encompasses a diverse array of living organisms, making it a powerful and versatile field with numerous applications across various industries and scientific disciplines.