The age of most ancient geological formations is estimated by
A). Ra - Si method
B). Potassium - argon method
C). C14 method
D). Uranium - lead method
1. The major harmful gas emitted by automobile vehicle which causes air pollution is
2. Two stones of different masses are dropped simultaneously from the top of a building
3. What is the minimum escape velocity of rocket to be launched into space?
4. Which of the following instruments is used to measure humility?
5. Which one of the following binds with hemoglobin irreversibly?
7. Grafting is not possible in monocots because they
8. The chemical(s) most commonly used for cloud seeding or artificial rainmaking is are
9. The fuel used in an atomic reactor is
10. The conversion of protein waste, the ammonia into urea occurs mainly in