Questions

Water has the maximum density at 4oC. So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at  4oC .  

Therefore, (C) is correct.

The process of conversion of milk into curd is called fermentation.  It is a chemical change. Milk consists of globular proteins called casein. As the microorganism lactobacillus react with milk and turn it to curd. For it 37 degree temperature is needed. But sometimes when it does not get favourable condition, then other microorganism react and makes the curd taste different.

The 30th International Kite Festival (Uttarayan) will be held in Gujarat from January 8 to 13, 2017. Apart from this, three other international kite festivals will be held in different parts of India viz. Telangana International Kite Festival will be held in Hyderabad on January 14 and 15, the Delhi International Kite Festival from January 16 to 17 and the Belgaum International Kite Festival from January 18 to 22.

A data dictionary is a special file that contains a set of information describing the contents, format, and structure of a database and the relationship between its elements, used to control access to and manipulation of the database.

Indian Museum is the largest museum in India