← All lessons
🔬 Science - Class 9
EN
नेपाली
Home
›
Class 9
›
Science
›
Unit 4: Evolution
›
Variation and Mutation
Unit 4 · Evolution
Variation and Mutation
Science
Subject
8 min
Estimated read
📖
Note
🔬
Activity
⭐
Points to Remember
✏️
Practice Questions
🧪
Practice Test
🖥️
Presentation
Question 1 of 12
1
What is the process called in which a change in the gene structure makes a new trait appear in the offspring?
Evolution
Variation
Mutation
Vestigial organ