Our sun is:
1). Planet
2). Satellite
3). Comet
4). Star
1. The tail of flying birds acts as rudder By this statement we can understand that the tail acts as:
2. Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
3. Man and biosphere programme is affiliated with
4. The heat energy released when water vapour changes to a liquid is called:
5. The study of minerals is called
6. World's first Teak Forest was planted in 1842 in Kerala. Identify the place.
7. First National Park in India
8. The percentage of water vapour present in the air compared to that required for saturation is the: