Consider the following statements
1. Guru Ram Das constructed Amritsar lake and developed the city of Amritsar.
2. Guru Arjan Dev Ji constructed 'Harmandir Sahib' at the center of the Amritsar lake.
Which of the statement(s) given above is/are correct?

A. Y. D. Sharma B. Daya Ram Sahni C. Rakhal Das Bandopadhyay D. None of them

A. Wheel made pottery of distinctive kind B. Planned cities and towns C. Standard weight and seals bearing a script D. All of the above

A. Soan B. Ravi C. Betwa D. Sutlej

A. Paleolithic B. Mesolithic C. Neolithic D. Both (A) and (B)