621: To visit Tuticorin, Mangalore and Paradip, one does not require to go to:
(a) Tamil Nadu
(b) Kerala
(c) Karnataka
(d) Orissa
622: Biological Oxygen Demand (BOD) is a standard criterion for
(a) Measuring oxygen levels in blood
(b) Computing oxygen levels in forest ecosystems
(c) Pollution assay in aquatic ecosystems
(d) Assessing oxygen levels in high altitude regions
623: The first political organisation established in India in 1838 was known as
(a) British India Society
(b) Bengal British India Society
(c) Settlers Association
(d) Zamindary Association
624: Consider the following statements:
1. Indira Gandhi Centre for Atomic Research uses fast reactor technology.
2. Atomic Minerals Directorate for Research and Exploration is engaged in heavy water production.
3. Indian Rare Earths Limited is engaged in the manufacture of Zircon for India's Nuclear Programme beside other rare earth products.
Which of the statements given above are correct?
(a) 1, 2 and 3
(b) 1 and 2
(c) 1 and 3
(d) 2 and 3
625: The first Trade Union in India was:
(a) Madras Labour Union
(b) Bombay Postal Union
(c) Printers Union of Calcutta
(d) All India Trade Union Congress