The cryosphere is those portions of Earth’s surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and frozen ground. Snow has a high albedo.

Both the statements are correct.
Henry Vivian Derozio was the founder of the Young Bengal Movement. He taught in the Hindu College, Calcutta. His followers were known as the Derozians and their movement the Young Bengal Movement. They attacked old traditions and decadent customs. They also advocated women’s rights and their education. They founded associations and organized debates against idol worship, casteism and superstitions.

Both the statements are correct.
A niche is the unique functional role or place of a species in an ecosystem. It is a description of all the biological, physical and chemical factors that a species needs to survive, stay healthy and reproduce.
A niche is unique for a species, which means no two species have exact identical niches. Niche plays an important role in conservation of organisms. If we have to conserve species in its native habitat we should have knowledge about the niche requirements of the species and should ensure that all requirements of its niche are fulfilled.

Statement 1 is incorrect while statement 2 is correct.
The DRDO has successfully flight tested a New Generation Nuclear Capable Ballistic Missile Agni P from Dr APJ Abdul Kalam island off the coast of Odisha.
Agni P is a canisterised based missile. Canisterisation of missiles reduces the time required to launch the missile while improving its storage and mobility,
The missile has a range between 1000km to 2000km.
The Agni-P will replace the Prithvi, Agni-1 and Agni-2 missiles that were built two decades ago with technologies that are now considered outdated.

Statement 1 is incorrect while statement 2 is correct.
The National Technical Research Organisation (NTRO) was established in 2004. It is under the National Security Advisor in the Prime Minister’s Office.
The NTRO focuses on intelligence gathering. The agency specializes in multiple disciplines. This includes remote sensing, data gathering and processing, cyber security, geospatial information gathering, cryptology, etc. The National Critical Information Infrastructure Protection Centre (NCIIPC), an agency under the control of NTRO.