A virtual, erect and diminished image irrespective of object distance, can be made by Convex mirror.

Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions Class 10th Science Session 2022-23

Lactic acid is formed after and aerobic respiration in muscles, and this happens in cytoplasm.

The milkman shifts the pH of the fresh milk from 6 to slightly alkaline (to decrease the rate of fermentation) because in alkaline condition milk does not set as curd easily.

Magnification obtained by a lens is the ratio of height of image (h₁) to the height of object (h₂) i.e., Magnification, m= h₁/h₂