ENVIRONMENT FOR UPSC PRELIMS 2020 , SOLUTION OF TEST-15

1 . Solution (d)

2 . Solution (c)
Photovoltaic cells use photons or light radiations to produce electric current.
Concentrated Solar Power systems usually use large set of plane mirrors or concave mirrors to focus sunlight.

3 . Solution (b)
The national mission on sustainable habitat is one of the nine missions under National Action Plan on Climate Change and aims to make cities sustainable through improvements in energy efficiency in buildings, management of solid waste & shift to public transport.

4 . Solution (b)
Two countries have achieved carbon neutrality: Suriname and Bhutan.

5 . Solution (d)

6 . Solution (a)

7 . Solution (c)

8 . Solution (a)

9 .  Solution (d)

10 . Solution (c)
These were the 12 initial compounds that were listed under the Stockholm convention