Question 1 :
Igneous rocks are rocks formed by the solidification of volcanic eruptions and magma.<br>

Question 3 :
Third layer of Earth which comes after Mantle of Earth is known as __________________.

Question 4 :
At a broader level, Natural Environment&#160; has which of the following two components?<br/>

Question 6 :
Term 'biosphere' is used for the zone of Earth, where life&#160;exists

Question 9 :
The part of the earth where life exists, is made up of

Question 10 :
The science that deals with inter-relationship between various organisms and physical environment is called ____________.<br/>

Question 13 :
LIST-I &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;&#160; LIST-II<br/>A. Atmosphere&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;1. Living organisms<br/>B. Hydrosphere&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 2. Rocks, soil etc<br/>C. Lithosphere&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 3. The region of water<br/>D. Biosphere&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;4. Gaseous layer<br/>&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 5. CO layer<br/>The correct match is:<br/>