Small holes on the epidermis of the leaf are called stomata. They are surrounded by two kidney-shaped cells called guard cells.

(i) Ice (ii) Wood (iii) Soil (iv) Air

Product Z is formed by the combination of X and Y, thus having a greater mass than X and Y separately. Furthermore, Z is a completely new product, thus cannot show the same properties as X and Y.

Class IX Science MCQ Extra Questions Answers Class 9 Science Terminal Exams MCQ Solutions Class 9th Science Session 2022-23 9th Science Terminal Exam Based MCQ Extra Questions

In distillation, the separation of liquids is based on different boiling points.