Questions

Cytoplasm does not contains all the organelles.

Inventors and their Inventions ::

• Sir Richard Arkwright - Father of industrial revolution.

• Michael Faraday - Discovered Benzene and invented Bunsen Burner.

• Thomas Alva Edison - Invented Phonograph and motion picture camera.

Brainstorming is an example of a problem solving technique of severe thinking.

Australia won the 1987/88 Reliance World Cup against England held in Kolkata, India.

DNA stands for Deoxyribo nucleic acid. It is a nucleic acid made up of monomeric unit called Nucleotide.

A nucleotide consist of -

a) Sugar - Deoxyribose in DNA ( ribose in RNA)

b) An organic base- Adenine, cytosine, guanine.

A dynamometer wattmeter can be used for measuring both A.C and D.C currents.

Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information.

Memory refresh is a background maintenance process required during the operation of semiconductor dynamic random-access memory (DRAM), the most widely used type of computer memory.