Answer: Option [A]The Indian sub-continent was originally a part of Gondwana-land. The Indian subcontinent was formerly part of Gondwana, a supercontinent formed during the late Neoproterozoic and early Paleozoic. Gondwana began to break up during the Mesozoic, with Insular India separating from Antarctica 130-120 million years ago and Madagascar around 90 million years ago.
Answer: Option [C]The correct answer is Sikkim. Nathu La a place where India China border trade has been resumed after 44 years is located on the India border in Sikkim. For trading between India and China there are trading border posts of which Nathu la pass in Sikkim is one.
Answer: Option [D]India is one of the largest producers of manganese ore in the world along with Brazil and Russia. India is the world's fifth largest producer after China, Gabon, South Africa and Australia. Maharashtra, Madhya Pradesh, Odisha, Andhra Pradesh and Karnataka are the major manganese ore producing states.
Answer: Option [B]The correct answer is Tamil Nadu. The Toda people are a small pastoral community who live on the isolated Nilgiri plateau in Tamil Nadu. The Toda lands are now a part of The Nilgiri Biosphere Reserve, a UNESCO-designated International Biosphere Reserve.
Answer: Option [A]The correct answer is Haryana. More than two-third of the ST population is concentrated only in the seven States of the country, viz. Madhya Pradesh, Maharashtra, Orissa, Gujarat, Rajasthan, Jharkhand and Chhattisgarh. There is no ST population in 3 States (Delhi NCR, Punjab and Haryana) and 2 UTs (Puducherry and Chandigarh), as no Scheduled Tribe is notified.