Questions

DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the basis for biological inheritance. Complementary base pairing helps prevent errors in DNA replication.

The Union Territories get representation in Both the houses of Parliament i.e, The Lok Sabha and The Rajya Sabha.

Culture is the social behavior and norms found in human societies. The 7 main elements that make up culture are ::

1. Social organization
- the family patterns and social classes of a culture.

2. Customs and traditions
- way people act, wear, what they eat, and their laws.

3. Language
- communication by word of mouth.

4. Religion
- a system of beliefs that answers questions about the meaning of life.

5. Art and literature
- ways the people entertain themselves. There stories they tell and how they dance. Its also the music they listen to and there artwork.

6. Forms of government
- the people or group(s) that control the people and provide/ enforce the laws.

7. Economic systems
- the method used by a society to produce and distribute goods and services.

There are 60 minutes in an hour.

In ¾ of an hour there are (60 × ¾) minutes = 45 minutes.

In ¾ of an hour there are (60 × 45) seconds = 2700 seconds.

Siren sounds for every 5 seconds.

In 2700 seconds = 2700/5 = 540 times.

The count start after the first sound, the Siren will sound 541 times in ¾ of an hour.

A relational database is a digital database based on the relational model of data, a database structured to recognize relations between stored items of information. A software system used to maintain relational databases is a relational database management system.

Computer database in which all data is stored in Relations which (to the user) are tables with rows and columns. Each table is composed of records (called Tuples) and each record is identified by a field (attribute) containing a unique value. Every table shares at least one field with another table in 'one to one,' 'one to many,' or 'many to many' relationships. These relationships allow the database user to access the data in almost an unlimited number of ways, and to combine the tables as building blocks to create complex and very large databases.

Yes, all the above given sentences have an interjection.

1. Hey ! is an interjection in the sentence , Hey!, where did I park my car? 

2. Well is an interjection in the sentence, Well!, that's a relief.

3. Oh! is an interjection in the sentence , Oh!, now I remember where i put my wallet.

Passivity of iron is due to formation of an extremely thin and impervious film of ferrosoferric oxide Fe3O4on the surface of iron. Chromic acid, being a powerful oxidising agent (like nitric acid ) renders iron passive.