Chapter 5: Alternative Communication during Disaster

VVI questions — the ones the board asked most (2)

1. Q1Short answer2 marksAsked: 2023

   What do you mean by Satellite Communication?

   

   Medha Ma’am

   AskMedha’s AI teacher

   Hear it from Medha Ma’am · 20 s

   Model answer · satellite communication, disaster communication

   1. 1.Satellite communication is a communication system in which information is transmitted from one place to another using artificial satellites.1 mark
   2. 2.This technology enables the establishment of communication links even in remote areas of the Earth through radio waves.1 mark

   • Begin the first line with the words 'artificial satellites' to define satellite communication.
   • In the second line, mention 'remote areas' and 'radio waves' to earn the second mark.
   • Do not add details about INSAT or IRS satellites as the structure does not ask for them.

   Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme

2. Q2Short answer2 marksAsked: 2025

   What are the alternative communication mediums used during natural disaster ?

   

   Medha Ma’am

   AskMedha’s AI teacher

   Hear it from Medha Ma’am · 60 s

   Model answer · alternative communication, disaster

   1. 1.Radio and Amateur or HAM Radio are the primary means of alternative communication during natural disasters. Radio waves are electromagnetic and sent through Antenna, with wireless instruments like walkie-talkie proving very useful. HAM radio does not require any basic infrastructure and has worked successfully when all other means of communication had failed, making it the most effective alternative means of communication.1 mark
   2. 2.Satellite communication and satellite phones are also effective means to maintain contact during disasters. Radio relay stations and communication satellites stationed in space receive no damage from disasters on earth, making this system most reliable. The satellite phone is the most used means of communication in disaster management, providing clear voice and data communication facility.1 mark

   • Write 'HAM radio' by name and state it does not require any basic infrastructure.
   • Write 'satellite phone' by name as the most used means in disaster management.
   • State satellite systems receive no damage from disasters, making them most reliable.

   Marks split from a structure derived from past papers (checked twice); not Bihar Board’s official scheme

Objective questions with the board’s key (3)

1. 1. Bihar Board 2026

   What is the reason for the disruption of normal communication system ?

   • (A) Breakage of cable
   • (B) Damage to transmission tower
   • (C) Disruption of power supply
   • (D) All of these ✓

   Answer: (D)

2. 2. Bihar Board 2026

   What is the Indian National Satellite System (INSAT) used for ?

   • (A) For telecommunication purpose
   • (B) For discovery and management of resources
   • (C) Urban planning
   • (D) All of these ✓

   Answer: (D)

3. 3. Bihar Board 2022

   Which satellite is used for resource exploration and management ?

   • (A) Communication satellite
   • (B) Remote sensing satellite ✓
   • (C) Navigation satellite
   • (D) Polar satellite

   Answer: (B)

Questions parents and students ask

How many marks does "Alternative Communication during Disaster" carry in Bihar Board Class 10 Social Science?

In the Bihar Board papers of 2021–2026, this chapter carried about 0 marks and about 1 questions a year; by marks it ranks 30 in Social Science.

Which are the most important (VVI) questions of "Alternative Communication during Disaster"?

The 2 questions above are from the board’s real papers, each with the years it was asked; the most-asked come first with their full model answers. All 2 written questions of this chapter, with answers, are in the AskMedha app.

Do the answers follow the board’s marking scheme?

BSEB does not publish a marking scheme. Each answer is written point by point on a structure derived from past papers and checked by a second, independent model; it is never called the board’s official scheme.