Who was the first to measure the circumference of earth?
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The highest number of tube wells is found in which one of the following countries?
The movement Objections Resolution to guide the deliberations of the Assembly was started by
'Neo-Malthusian Theory' is associated with which of the following?
Depletion of ozone layer causes
The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The second stage is the ___________ stage.
Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?
Where is India's first Sandalwood Museum being set up?