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

Size of scattered light depends on wavelength of light and size of scattering particle.

The oxygen gas produced during photosynthesis is released into the surroundings through the stomata. Stomata are also called site of gaseous exchange.

Non-metals are electro negative elements because they can form negative ions by gaining electrons. Metals are electro-positive.

The mineral acids are those which are obtained from minerals and do not contain carbon. E.g., HCl, H₂SO₄, HNO₃, etc.