In April 2026, which country hosted the '4th Asia-Pacific Water Summit'?

In April 2026, which Indian project was awarded the 'National Water Innovation Prize' for large-scale desalination?

In March 2026, which country hosted the 'Blue Economy Global Summit' to draft a legal treaty against deep-sea mining in international waters?

In March 2026, which Indian city operationalized the 'Smart Water Grid' that reduces water leakage by 40% using IoT sensors?

In April 2026, the 'Brahmaputra Tunnel', India's first underwater rail-road tunnel, was inaugurated. Which two places does it connect?

In March 2026, which global body released the 'World Water Risk Atlas 2.0', identifying 25 Indian cities facing extreme water stress by 2040?

Which Indian scientist was awarded the March 2026 'Global Innovation Prize' for developing a low-cost graphene-based water filter?

The 'UN High Seas Treaty' (BBNJ), finalized in 2023 and entering implementation phases in 2026, focuses on: 1. Establishing Marine Protected Areas (MPAs) in international waters. 2. Fair sharing of benefits from Marine Genetic Resources (MGR). Which of the above is/are correct?

Which of the following is the largest fresh water lake in India?

In April 2026, which Indian project won the 'Global Infrastructure Excellence Award' for its underwater tunnel system?

In March 2026, which Indian institute developed 'Indi-Graphene', a low-cost graphene-based water filter capable of removing 99% of microplastics?

In April 2026, which country hosted the '10th World Water Forum', focusing on 'Water for Shared Prosperity'?

Regarding 'Green Hydrogen', consider the following: 1. It is produced through electrolysis of water using renewable energy. 2. India's National Green Hydrogen Mission aims to develop a production capacity of at least 5 MMT per annum by 2030. Which statement is correct?

In March 2026, which country signed a 'Blue-Economy Treaty' with India to share expertise in lithium extraction from seawater?

Which autonomous underwater vehicle (AUV) was showcased by India in March 2026 for deep-sea mining exploration in the Indian Ocean?

The UN launched a Task Force in March 2026 specifically to safeguard trade in which strategic waterway?

The ratio of land to water for the whole earth is 1 : 2. In the Northern Hemisphere, it is 2 : 3. What is the ratio in the Southern Hemisphere?

The 'Indus Waters Treaty' (1960) was brokered by which international organization?

The pH value of pure water is approximately:

Which article of the Indian Constitution provides for the 'Adjudication of disputes relating to waters of inter-state rivers'?