Questions

Sunanda K Datta-Ray

The harvest festival of Baisakhi popularly celebrated in North India coincides with the Songkran festival of Thailand, the Thingyan in Myanmar and the Aluth Avurudda in Sri Lanka. In all the latter three festivals, the coming of a New Year is the central theme and involves various indigenous ways of celebrations.

In eukaryotic cells, DNA is located in the nucleus, chromosomes and the mitochondria. Most of the DNA is present in the nucleus and some amount in the chromosomes and mitochondria.

ELISA - Enzyme-Linked Immuno Sorbent Assay.

An ELISA test may be used to diagnose: HIV, which causes AIDS.

An ELISA also called EIA, is a test that detects and measures antibodies in your blood. Antibodies are proteins that your body produces in response to harmful substances called antigens.

The earliest historic evidences of use of metal are of Chalcolithic Age or Stone-Copper Age, which covered the period from 1800 - 800 BC. This period was by the use of Copper as well as stone.

Hence, the first metal to be used in India is Copper.