Showing posts with label Science amp; Technology. Show all posts
Showing posts with label Science amp; Technology. Show all posts

Friday, 8 February 2013

APPSC Group 2 Previous Questions

1. The thickening of wall of artery is called—
(A) Aneurysm
(B) Arteriosclerosis
(C) Arthritis
(D) Both (A) and (C)

2. Lining of human intestine is—
(A) Ciliated
(B) Keratinized
(C) Brush border
(D) All the above

3. Which blood group has both 'a' and 'b' antibodies ?

Science and Technology study material for APPSC Exams

What are the components of Communication Satellites ? Add a note on the uses of communication satellites.


Communication Satellites  are geostationary satellites orbiting the earth at 36ooo km above the equator. They provide four basic services -  Telecommunication, TV broadcasting, Radio broadcasting and Weather forecasting. They provide value added services like Data relay, Early warning system, Search

Group-1 mains Paper-4 study material

INSAT System of Satellites

INSAT System was a joint venture between Department of Space and various user agencies like Department of Telecommunications, Doordarshan, AIR, Indian Metereological Department.

INSAT System is the only system with multipurpose functions like mass communications, telecommunications and metereological

Science and Technology material for APPSC Exams

Q) Write a brief note on any 5 of the infrastructure establishments of the Department of Space.

Answer :

The Space programme is administered under the Development of Space (DOS), Government of India. The major establishments of DOS are:

1. ISRO:

Head quarters located at Bangalore

It looks after planning, execution and management of space