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 :

With reference to the demographic profile of India, consider the following statements :

1. The proportion of the population in the age group 0 to 6 declined from 16% to 13% over the period 2001-11.
2. Of all the States, 20 States have achieved replacement level fertility.

Which of the statements given above is/are correct?