1. Consider the following:
1. Hotels and restaurants
2. Motor transport undertakings
3. Newspaper establishments
4. Private medical institutions

The employees of which of the above can have the ‘Social Security’ coverage under Employees’ State Insurance Scheme?

2. How do you distinguish between Kuchipudi and Bharatanatyam dances? 
1. Dancers occasionally speaking dialogues is found in Kuchipudi dance but not in Bharatanatyam.
2. Dancing on the brass plate by keeping the feet on its edges is a feature of Bharatanatyam but Kuchipudi dance does not have such a form of movements.

Which of the statements given above is/are correct?

3. Consider the following : 
1. Black-necked crane

2. Cheetah
3. Flying squirrel

4. Snow leopard

Which of the above are naturally found in India?

4. Recently, there has been a concern over the short supply of a group of elements called ‘rare earth metals’. Why? 
1. China, which is the largest producer of these elements, has imposed some restrictions on their export.
2. Other than China, Australia, Canada and Chile, these elements are not found in any country.
3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements.
 

Which of the statements given above is/are correct?

5. Graphene is frequently in news recently. What is its importance?
1. It is a two-dimensional material and has good electrical conductivity.
2. It is one of the thinnest but strongest materials tested so far.
3. It is entirely made of silicon and has high optical transparency.
4. It can be used as ‘conducting electrodes’ required for touch screens, LCDs and organic LEDs.

Which of the statements given above are correct?