2666: Flame of the forest is:
(a) A tree blossomed with flowers like flame in leafless season
(b) Fire developed in the forest due to strong wind
(c) A lady who worked for the development of the forests
(d) An insect which glows like a flame in the forest
2667: If a toy boat in a tank sinks, the level of water will:
(a) Increase
(b) Decrease
(c) Fluctuate
(d) Remain the same
2668: In a fluorescent tube which of the following components are found?
(a) Mercury vapour
(b) Argon and carbon dioxide
(c) Helium and oxygen
(d) Argon and neon
2669: With reference to river Teesta, consider the following statements:
1. The source of river Teesta is the same as that of Brahmaputra but it flows through Sikkim.
2. River Rangeet originates in Sikkim and it is a tributary of river Teesta.
3. River Teesta flows into Bay of Bengal on the border of India and Bangladesh.
Which of the statements given above is/are correct?
(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
2670: Farm land tends to erode most rapidly when planted with
(a) sorghum
(b) potato
(c) wheat
(d) clover