/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Science Class 9 This Quiz Contains a Set of 10 Questions. Passing cut-off is 60%. To Start the Quiz... Click on the Start Button. All the Best. 1 / 10 Which process increases kinetic energy of particles? Heating Cooling Freezing Condensation 2 / 10 Which pair represents isotopes? ¹²C and ¹⁴C ¹⁴N and ¹⁶O ²³Na and ²⁴Mg ¹H and ²He 3 / 10 Meristematic tissue is characterized by Large vacuole Dead cells Rapid division Thick walls 4 / 10 Phloem transports Water Minerals Oxygen Food 5 / 10 Chemical formula of calcium hydroxide is Ca(OH)₂ CaOH Ca₂OH Ca₂(OH) 6 / 10 Change in velocity per unit time is called Speed Displacement Force Acceleration 7 / 10 Which factor increases the rate of evaporation? Decrease in surface area Increase in humidity Increase in temperature Decrease in wind speed 8 / 10 Area under velocity–time graph gives Acceleration Speed Distance Displacement 9 / 10 Sclerenchyma cells are Living Thin-walled Meristematic Dead and lignified 10 / 10 Sustainable agriculture means Maximum chemical use Long-term productivity Single crop farming Soil depletion Your score is 0% Restart quiz