Q1.  Acoustics is the science of:

Q2. The art of breeding Silk Worm and production of Silk is called:

Q3. The science of celestial bodies is known as:

Q4. Telepathy is:

Q5. Pedagogy is the science of:

Q6. Study of maps and features of the Universe is called:

Q7. Scientific study and measurement of behaviour is called:

Q8. Etymology refers to the study of:

Q9. Paediatrics is relevant to:

Q10. Shape of the Milky Way Galaxy is:

Q11. Coldest planet of the Solar System is:

Q12. Which of the following planets has the maximum number of Satellites:

Q13. Which planet takes the longest time to go once around the Sun?

Q14. The first artificial satellite was launched by:

Q15. The first Canadian woman in space was:

Q16. The first astronaut to set foot on moon was:

Q17. The theory stating that new matter is always created to fill the space left by the Universe is called:

Q18. A rocket needs the speed of ........ to escape from earth's gravity.

Q19. Sunlight is composed of:

Q20. The rarest gas in air is: