Methodical recommendation:

Textbook Questions

Number Name Type Difficulty Marks Description
1. Ozone depletion Other medium 5 m. An intext exercise consists of only one textbook question, and the question holds three marks. It is a short answer question converted to an MCQ and deals with ozone. As an outcome of the exercise, the student will learn about the mentioned concept.

Practice Questions

Number Name Type Difficulty Marks Description
1. Ozone layer depletion, its causes and effects Other easy 3 m. A multiple choice question exercise on what is ozone layer, the depletion of ozone layer, its causes and effects.
2. Montreal protocol, ozone layer - depletion, causes, and effects Other medium 5 m. A true or false exercise on world ozone day, montreal protocol, ozone layer - depletion, causes, and effects.