Options:
- A. Origin of Universe
- B. Origin of Sun
- C. Laws of physics
- D. None of above
View Answer
A. Origin of Universe
Everyday Science
The chemical name of quartz is:
Options:
- A. Silicon Dioxide
- B. Stannous Oxide
- C. Aluminium Oxide
- D. None
View Answer
A. Silicon Dioxide
Geiger-Muller counter is used to detect__________?
Options:
- A. Protons
- B. Neutrons
- C. Photons
- D. none
View Answer
A. Protons
Which one of the following is the main culprit in the thinning of Ozone layer in the earth
Options:
- A. Carbon dioxide
- B. Chlorofluorocarbons
- C. Nitrogen oxides
- D. Methane
View Answer
B. Chlorofluorocarbons
Elements are made of _________?
Options:
- A. Atoms
- B. Molecules
- C. H2O
- D. Compounds
View Answer
A. Atoms
The study Of GLANDS is called?
Options:
- A. cardiology
- B. None of these
- C. Endocrinology
- D. Entomology
View Answer
C. Endocrinology
Which of the following cells are Colourless?
Options:
- A. Red blood cells
- B. White blood cells
- C. Monocytes
- D. platelets
View Answer
B. White blood cells
What sub-class of neutron star is known for its extremely high magnetic field?
Options:
- A. Magnetar
- B. Quasar
- C. Magneto
- D. Magnetta
View Answer
A. Magnetar
The SI standard of time is based on_____________?
Options:
- A. the daily rotation of the earth
- B. the frequency of light emitted by Kr86
- C. the yearly revolution of the earth about the sun
- D. a precision pendulum clock
View Answer
E. none of these
Which of the following has the largest wavelength?
Options:
- A. visible light
- B. x-rays
- C. infrared light
- D. ultraviolet radiation
View Answer
C. infrared light