Botany MCQs
Topic Notes: Botany
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
In what year was the 'lock and key' model of enzyme-substrate interaction first proposed by Emil Fischer?
Answer:
1894
Emil Fischer proposed the 'lock and key' hypothesis in 1894. This model suggests that the enzyme's active site and the substrate possess complementary geometric shapes, allowing them to fit together precisely to form an enzyme-substrate complex.