Theory

1. Mindmap

Practice Questions

1. Origin and Continuity of Life on Earth

Difficulty: easy

1
2. Reproductive Methods in Animals

Difficulty: easy

2
3. Conditions Necessary for Life on Earth

Difficulty: easy

2
4. How Earth Sustains Life

Difficulty: medium

2
5. Protective Role of the Earth’s Magnetosphere

Difficulty: medium

2
6. Importance of Planetary Size for Habitability

Difficulty: medium

1
7. Diversity in the Environment

Difficulty: medium

1
8. Sexual mode of reproduction

Difficulty: hard

1
9. Habitability of the Planet Earth

Difficulty: hard

5
10. Vegetative Propagation in Plants

Difficulty: hard

4

Teacher manual