Question

Q.1 Which energy is gained by particles of matter on increasing the temperature? a) potential b) kinetic c) mechanical d) none of these Q.2 The mass per unit volume of a substance is called -------------. a) viscosity b) fluidity c) density d) surface tension
Q.3 Which cell organelle forms proteins? a) mitochondria b) lysosome c) golgibody d) ribosome
Q.4 In 12 minutes a car whose speed is 35km/h travels a distance of -----------. a) 7 km b) 3.5 km c)24 km d) 7.5 km​

Answer 1

Answer:

Q1 (A) potential energy

Q2(C) Density

Q3(A) Mitochondria

Q4(D) 7.5Km