501: Neil Armstrong was the first person to reach on the moon. While walking on the moon:
(a) His mass remained the same but weight increased
(b) His mass remained the same but weight decreased
(c) His mass as well as weight decreased
(d) His mass increased but weight remained the same
502: Why camphor disappears when kept on a plate?
(a) It sublimes
(b) It reacts with the metal of the container
(c) It reacts with the gases of the air
(d) None of the above
503: The given figure shows a portion of Southern India. The proposed site (Koodankulam) for the construction of two 1000 MW nuclear power plants has been labelled in the map as
(a) A
(b) B
(c) C
(d) D
504: What is Rio+20 Conference, often mentioned in the news?
(a) It is the United Nations Conference on Sustainable Development
(b) It is a Ministerial Meeting of the World Trade Organization
(c) It is a Conference of the Inter-governmental Panel on Climate Change
(d) It is a Conference of the Member Countries of the Convention on Biological Diversity
505: The Service Area Approach was implemented under the purview of
(a) Integrated Rural Development Programme
(b) Lead Bank Scheme
(c) Mahatma Gandhi National Rural Employment Guarantee Scheme
(d) National Skill Development Mission