686: Which one of the following statements is correct?
(a) Cirrus clouds are composed of ice crystals.
(b) Cirrus clouds exhibit a flat base and have the appearance of rising domes.
(c) Cumulus clouds are white and thin, and form delicate patches and give a fibrous and feathery appearance.
(d) Cumulus clouds are classified as high clouds.
687: Increase in absolute and per capita real GNP do not connote a higher level of economic development, if
(a) industrial output fails to keep pace with agricultural output.
(b) agricultural output fails to keep pace with industrial output.
(c) poverty and unemployment increase.
(d) imports grow faster than exports.
688: Raghu Rai is well known for which one of the following areas ?
(a) Research in Mathematics
(b) Water harvesting
(c) Photography
(d) Pollution control
689: The most short-lived of all of Britain's constitutional experiments in India was the
(a) Indian Councils Act of 1861
(b) Indian Councils Act of 1892
(c) Indian Councils Act of 1909
(d) Government of India Act of 1919
690: With reference to Changpa community of India, consider the following statements :
1. They live mainly in the State of Uttarakhand.
2. They rear the Pashmina goats that yield a fine wool.
3. They are kept in the category of Scheduled Tribes.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3 only