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Q79
(NDA-I/2024)
Science & Technology › Basic Science (Physics, Chemistry, Biology)
Official Key
Which one of the following is the correct sequence in increasing complexity ?
Result
Your answer:
—
·
Correct:
D
Explanation
The correct sequence representing increasing biological complexity is Protein → Tissue → Organ → Organism. This hierarchy follows the levels of biological organization:
- Protein: These are large biomolecules (macromolecules) consisting of amino acids. They represent the molecular level of organization.
- Tissue: A group of similar cells and their intercellular substances that work together to perform a specific function (e.g., muscular tissue).
- Organ: Different types of tissues integrate to form an organ, which performs more complex physiological functions (e.g., the heart or stomach).
- Organism: This is the highest level of complexity in the given options, representing an individual living being (like a human) formed by the coordination of various organ systems.
Thus, Option D correctly arranges these components from the simplest molecular building blocks to the most complex integrated individual.
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