CBSE Class 10 Science HOTs Question Our Environment

MCQ Questions for NCERT Class 10 Science Our Environment Question. The depletion of the ozone layer causes (a) global wanning (b) earthquakes (c) increased UV radiations (d) acid rain Answer : C Question. Which of the following is biodegradable? (a) Plastic mugs (…

CBSE Class 10 Science HOTs Question Human Eye and Colourful World

Question. Twinkling of stars is due to (a) reflection of light by clouds (b) scattering of light by dust particles (c) dispersion of light by water drops (d) atmospheric refraction of starlight Answer : D Question. The deflection of light by minute particles and…