The longest river in the world is the Nile. Therefore, the correct answer is (D) Neil (Nile). The Nile River is a major north-flowing river in northeastern Africa and is generally considered the longest river globally, with a length of approximately 6,650 kilometers (4,130 miles).

Vitthal Ramji Shinde established this organization on 16 October 1906. His early spiritual awakening came from his readings of Sant Tukaram, Sant Eknath, and Sant Ramdas of Maharashtra. V.R.Shinde was a prominent campaigner on behalf of the Dalit movement. Aims of this mission were to try to get rid of untouchability, educate people from lower strata, help them to get Jobs, solve their social problems.

This is a correct statement regarding sexually transmitted diseases (STD).

Statement A: Sexually transmitted diseases (STD) are infections transmitted from an infected person to an uninfected person through sexual contact.

Statement B: HIV, HPV and Hepatitis B virus is responsible for STD.

1. All the houses of the Sunari civilization are built with the oldest iron ore melting furnaces.

2. Sunari civilization belongs to the Iron Age.

3. Sunari is a small village in Jhunjhunu district of Rajasthan.

4. It is situated near the Kantil river bank.

5. People of Sunari civilization mostly used rice and horses which is considered as Arya Vedic culture.