Radiocarbon is produced in the atmosphere as a result of
Options: collision between fast neutrons and nitrogen nuclei present in the atmosphere, action of ultraviolet light from the sun on atmospheric oxygen, action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere, lightning discharge in atmosphere
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called
Options: a type of asset that is in cash in the current account of the commercial bank, a type of asset that is in the form of a deposit in the current account of the commercial bank, either of these, None of the above
Which of the following are the members of SAARC (South Asian Association for Regional Cooperation)?
Options: Bhutan, Bangladesh, India and Pakistan, Bhutan, Bangladesh, the Maldives, Nepal, India, Pakistan, Afghanistan and Sri Lanka, Afghanistan, Pakistan, Thailand, Indonesia, Nepal and Sri Lanka, None of the above
The preamble enshrines certain ideals that were first spelt out in
Options: the speech by Jawaharlal Nehru on the banks of Ravi when he called for Purana Swaraj, the Nehru report, a resolution adopted at the Karachi session of the Indian National Congress, the Objectives Resolution adopted by the Constituent Assembly