Which one of the following committees is NOT associated with decentralization of Panchayati Raj institutions in India ? 

Arrange the following zones in ascending order in terms of their latitudinal extent on the Earth surface :

1. Equatorial zone

2. Midlatitude zone

3. Subarctic zone

4. Tropical zone

Select the answer using the code given below : 

Consider the following statements with reference to Feldspar mineral :

1. Half of the earth’s crust is composed of feldspar

2. It has light cream to salmon pink colour

3. Magnesium is a common element in all types of feldspar

Which of the statements given above is/are correct ? 

Consider the following pairs with reference to sedimentary rocks and the process of their formation :  

Sedimentary Rock		Process of Formation
1.	Chere	Chemically formed
2.	Geyserite	Organically formed
3.	Shale	Mechanically formed

Which of the pairs given above is/are correctly matched ?