Classic Classic SCIENCE QUIZ by JAYANT JAYANT 11 played - 3 yrs ago QUIZ 10 QUESTIONS hard 1 Name the metal which can be cut by knife? SODIUMIRONZINCCOPPER 2 Which of these is a natural fibre? NYLONRAYONACRYLICCOTTON 3 The unit of loudness is... HERTZDECIBELMETREMETRE/SEC 4 Which of the following organelles is known as the brain of the cell? NUCLEUSCYTOPLASMRIBOSOMELYSOSOME 5 When we speak the part of the body which vibrates is... EARDRUMWINDPIPEVOCAL CORDSLARYNX 6 It takes how many minutes for light to travel from sun to earth? 8 MINUTES25 MINUTES9 MINUTES6 MINUTES 7 What is aquarigia? Mixture of oxygen and nitrogenMixture of citric and sulfuric acidMixture of oxalic and acetic acidMixture of hydrochloric and nitric acid 8 Reproduction always occur in... UTERUSOVARYOVIDUCTTESTES 9 Focal length of concave mirror is always... POSITIVENEGATIVENONE OF THESEBOTH OF THESE 10 The speed of sound is... 2 LAKH KM/HR232 KM/HR600 KM/HR6000 KM/HR A mistake in this Quiz ? Contact the author Commentaires
