Zoology MCQs
Topic Notes: Zoology
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
What is the name for a small, circular, extrachromosomal DNA molecule that is capable of independent replication?
Answer:
plasmid
A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Plasmids are naturally found in bacteria and some eukaryotes and are capable of autonomous replication, often carrying genes that provide advantages such as antibiotic resistance.