CSIR NET JRF Paper-I (Part 2 of 5)

  • Carbon-dioxide as compared to air is-Heavier
  • Distance traveled by light in one year is called-Light year
  • One is germicide-Potassium permanganate
  • Jaundice is a disease of-Liver
  • Food poisoning is Caused by-Micro-organism
  • Formation of rust on iron is what kind of phenomenon-Chemical
  • The good conductor of electricity-Copper
  • Mercury is used in thermometers because it-Expands uniformly
  • Considered a balanced diet-Milk
  • Scientific study of micro-organs-Microbiology
  • Pollutes the environment-Carbon monoxide
  • Which bone related to head-Skull
  • When a piece of ice floats on water, its level-Remains the same
  • Nights are cool when-The nights are clear and the days are cloudy
  • Who discovered the steam engine-James Watt
  • Who invented Telephone-Graham Bell
  • Who discovered X-rays-Roentgen
  • Who discovered Radium-Marie Curie
  • Who discovered Penicillin-Alexander Fleming
  • Who discovered the cure for rabies-Louis Pasteur
  • The inventor of Television is-J. L. Baird
  • Phosphorus is a-Non-metal
  • A plant with green leaves placed in red light with apprear-Black
  • Light from the sun reaches us in nearly-8 Minute
  • The Common refrigerant used in domestic refrigerator is-Freon/ammonia
  • A Fuse wire is characterized by-high resistance and how melting point
  • Which metal is commonly used as an electromagnet-Iron
  • When ice melts in the beaker of water, the level of water in the beaker with-remain the same
  • The dynamo converts-electrical energy into mechanical energy
  • The oil in the wick of an oil lamp rises up due to-capillary action
  • The flying of birds is a proof of Newton's-first law
  • When milk is churned cream gets separated due to-centrifugal
  • A red light used in traffic signal because-It has longest wavelength and can be easily noticed from a long distance
  • The most convenient color combination that can be used for vehicle running day and night is-red and green
  • Metals are good Conductor of electricity because-they contains free electron
  • The phenomenon of total internal reflection may occur when light is passing from-glass to air
  • The velocity of sound is maximum in-a solid
  • The mirage is seen in the hot desert because-the density of layer of air increase with altitude
  • The best conductor of heat among liquid is-mercury
  • Sound of frequency below 20Hz are called-Infrasonics