Which of the following shows the CORRECT order of biological levels of organisation fromcomplex to simple?
Correct answer: A. Spleen → Leucocyte → Mitochondria → Adenine
- A. Spleen → Leucocyte → Mitochondria → Adenine
- B. Mitochondria → Spleen → Leucocyte → Adenine
- C. Mitochondria → Adenine → Leucocyte → Spleen
- D. Spleen → Leucocyte → Adenine → Mitochondria
Explanation
The correct order of biological organization from complex to simple is: Spleen → Leucocyte → Mitochondria → Adenine. The spleen is an organ, which is more complex than a leucocyte, a type of cell. Mitochondria are organelles within cells, and adenine is a nucleotide, a molecular component of DNA and RNA. The other options incorrectly order these structures, either starting with a simpler component or misordering the organelles and molecules.
Last updated
About Levels of Biological Organization
Biological organization progresses from atoms and molecules to organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems and the biosphere. The topic examines how each level is built from the one below it and how interactions produce emergent properties not present in isolated parts.
Practise Introduction to Biology
123 free Introduction to Biology MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.