Answer: C) AVARD Explanation:

Answer: A) Erosion Explanation: Caverns are openings in the ground. Some famous caverns in the United States are Mammoth Cave, Carlsbad Caverns, Wind Cave, and Luray Caverns.   When rainwater trickles down through the soil, it carries carbon dioxide from the air with it. This turns acidic as it moves through the soil, joining with carbon from decaying plants. This acidic rainwater then eats away at, or erodes, the rock under the ground, forming a cave or cavern. For this process to occur, the rock must be the right type; limestone, dolomite, and gypsum are common.

Answer: D) Apiculture Explanation: Breeding and management of bees is called Apiculture.   A beekeeper or apiarist keeps bees in order to collect their honey and other products that the hive produces (including beeswax, propolis, flower pollen, bee pollen, and royal jelly), to pollinate crops, or to produce bees for sale to other beekeepers. A location where bees are kept is called an 'apiary' or 'bee yard.'

Answer: D) SEBI Explanation:

Answer: A) Central Government Explanation: Corporation tax is a tax imposed on the net income of the company. Companies, both private and public which are registered in India under the Companies Act 1956, are liable to pay corporate tax. Taxes in India are levied by the Central Government and the state governments. Some minor taxes are also levied by the local authorities such as the Municipality. The authority to levy a tax is derived from the Constitution of India which allocates the power to levy various taxes between the Central and the State.   Hence, Corporate Tax is imposed by Central Government.

Answer: B) December 25 Explanation: The Good Governance Day (GGD) is observed every year in India on the eve of the birth anniversary of former Prime Minister Atal Bihari Vajpayee.