1. Who among the following environmentalists is known by the name of 'Jal Purush'?

2. There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?
1. They can accumulate in the environment and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals. Select the correct answer using the code given below.

3. The World Water Conservation Day is celebrated on

4. The Integrated Ganga Conservation Mission has been called as

5. The World Water Conservation Day is celebrated on

6. Which one of the following lakes has been recently included under National Lake Conservation Project?

7. In the year 2009, India set-up the following to clean the Gangas

8. Which one of the following gases is used for the purification of drinking water?

9. In which year was the Water Pollution Prevention and Control Act enforced?

10. The arsenic contamination of drinking water is highest in

11. In which year Central Water Commission established 'Irrigation Research and Management Organisation'?

12. Which of the following leaf modifications occur/occurs in desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves or no leaves
3. Thorns instead of leaves Select the correct answer using the code given below.

13. The Yamuna Action Plan was formally launched in

14. Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?
1. Construction of dams and barrages on rivers
2. Increase in the population of crocodiles in rivers
3. Getting trapped in fishing nets accidentally
4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers Select the correct answer using the code given below.

15. Which of the following leaf modifications occur/occurs in desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves or no leaves
3. Thorns instead of leaves Select the correct answer using the code given below.

16. Which one of the following is not a biotic resource?

17. Which of the following is/are used as a disinfectant of water?

18. The wetlands falling within urban areas which are being dealt with under the National Lake Conservation Plan with the aim of Pollution control are
1. Bhoj – Madhya Pradesh
2. Sukhana – Chandigarh
3. Chilka – Odisha
4. Pichola – Rajasthan Select the correct answer using the code given below.

19. In which of the following years was constituted the 'Central Ganga Authority' by Government of India?

20. In the year 2009, India set-up the following to clean the Gangas

21. Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?
1. Construction of dams and barrages on rivers
2. Increase in the population of crocodiles in rivers
3. Getting trapped in fishing nets accidentally
4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers Select the correct answer using the code given below.

22. In which of the following years was constituted the 'Central Ganga Authority' by Government of India?

23. Which of the following are the key features of 'National Ganga River Basin Authority (NGRBA)'?
1. River basin is the unit of planning and management.
2. It spearheads the river conservation efforts at the national level.
3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on a rotational basis. Select the correct answer using the code given below.