Worksheet English Grade 11 Term 1: Time line of biology ,

TASK 1. Single choice

Read the text below and identify the correct era for the discovery of the DNA structure.

"Biology has evolved from simple observation to molecular precision. While the 18th century focused on classification, the 19th century brought us the laws of inheritance and the theory of evolution. It was not until the mid-20th century that scientists finally unlocked the secrets of the double helix, transforming genetics forever."

Select the correct option:

TASK 2. Working with a table

Complete the timeline of biological milestones using the following events:

• 1859: Origin of Species
• 1865: Laws of Inheritance
• 1953: Double Helix discovery