Which one of the following dements is most abundant in the earth's crust
1). Oxygen
2). Sulphur
3). Silicon
4). Carbon
1. A volcano that is not expected to erupt again is called
2. Longest day in the Northern hemisphere is ________.
3. Which State of India has the largest reserves of monazite, with a high thorium content
4. Keoladeo National Park is in _______.
5. Which country has the most coal reserves?
6. Where is Pushkar lake located
7. With which of the following country, India has a land dispute near Tawang?
8. Which of the following is a cold current
9. What is the approximate equatorial circumference of the earth
10. Which of the following trees shed their leaves once in a year?