646: 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
647: Consider the following statements:

Among the Indian States

1. Andhra Pradesh has the longest coastline.
2. Gujarat has the highest number of airports.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
648: Physiological population density is the ratio of:

(a) Total population to total area

(b) Total population to total irrigated land area

(c) Total population to urban land area

(d) Total population to rural land area
649: The Indo-Greek kingdom set up in north Afghanistan in the beginning of the second century BC was

(a) Bactria

(b) Scythia

(c) Zedrasia

(d) Aria
650: From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?

(a) Sathyamangalam Tiger Reserve
(b) Nallamala Forest
(c) Nagarhole National Park
(d) Seshachalam Biosphere Reserve