Q1. Minor objects in irregular shapes orbiting the sun are called:

Q2. The layer of atmosphere in which we live is called:

Q3. Study of fingerprints is called:

Q4. Which rocks make the earth's surface or crust:

Q5. Area in a desert where there is sufficient water for plants is called:

Q6. The lowest zone of atmosphere containing about seventy five percent of total mass of atmosphere and ninety percent of its water vapour is called:

Q7. The theory about the beginning of the Universe by a huge explosion is called:

Q8. Plate tectonics theory explains the movements of:

Q9. Constellation is:

Q10. Days and nights are equal all the year at:

Q11. Which area is known as World's earthquake belt?

Q12. Which star is known as the Constant Star?

Q13. When Magma reaches the surface it is called:

Q14. Silicon is also called:

Q15. Area in a desert where there is sufficient water for plants is called:

Q16. The largest planet is:

Q17. Huge cloud of gas and dust in universe is called:

Q18. Which of the following is the physics law of

Q19. Which chemical element has properties of a metal and non-metals?

Q20. Which tube extends from mouth to anus?