Consider the following :

1. Ajanta caves (Maharashtra)
2. Lepakshi temple (Andhra Pradesh)
3. Mahabodhi temple complex (Bihar)

Which of the above is/are World Heritage Properties as per UNESCO?

In recent times, Spirulina, an alga is being popularized because it is a rich source of :

Which of the following can help in reducing the carbon footprint?

1. Using fly-ash based cement in building construction.
2. Using LED-based electric lamps instead of incandescent lamps.

Select the correct answer using the code given below :

Mahatma Gandhi National Rural Employment Guarantee Act makes a paradigm shift from the previous wage employment programmes by :

 Brent index is associated with :

Cooking with solid fuel on open fires or traditional stoves results in high levels of indoor air pollution. The indoor smoke contains a range of health-damaging pollutants, which include the following except :