Worksheet Solutions: Communications | Be an Explorer 5: Book Solutions, Notes & Worksheets - Class 5 PDF Download

Q1: Multiple Choice Questions (MCQs).

(i) What is communication?
(a) Exchange of goods
(b) Exchange of information, thoughts, feelings, and ideas
(c) Exchange of money
(d) Exchange of energy
Ans: (b)
Communication involves the exchange of information, thoughts, feelings, and ideas between individuals.

(ii) In early communication, how did men send messages to warn of attacks or natural disasters?
(a) Written letters
(b) Smoke signals
(c) Pictographs
(d) Carrier pigeons
Ans: (b)
In early days, men used smoke signals to warn of attacks or natural disasters.

(iii) What is the minimum number of people required for communication?
(a) One
(b) Two
(c) Three
(d) Four
Ans: (b)
Communication requires at least two people - one giving the message and one receiving it.

(iv) What were the early forms of conveying messages before written languages?
(a) Clay tablets
(b) Leaves
(c) Smoke signals
(d) All of the above
Ans: (d)
Early forms of conveying messages included clay tablets, leaves, and smoke signals.

(v) Which early communication means is still used in lighthouses today?
(a) Pictographs
(b) Carrier pigeons
(c) Smoke signals
(d) Fire
Ans: (d)
Fire is still used in lighthouses today to guide ships.

Q2: Fill in the Blanks.

(i) The Penny Post Service introduced in England allowed messages to be sent for the cost of a _______________.
Ans: Penny

(ii) Martin Cooper, an engineer at Motorola, invented the first-generation _______________ during the 1970s.
Ans: Mobile phone

(iii) The first-generation mobile network was deployed in _______________ by NTT in 1979.
Ans: Japan

(iv) The first internet at lower data rates is a feature of _______________ mobile communication.
Ans: 2G

(v) 5G, the fifth generation of mobile networks, aims to deliver ultra-fast _______________ and multimedia experience.
Ans: Internet

Q3: Match the Column.

Ans:

Q4: True or False.

(i) Modern means of communication are slower and less effective than early means.
Ans: False
Modern means of communication are faster and more effective than early means.

(ii) Mass communication includes postal services and telegraph.
Ans: False
Mass communication includes television, internet, cinema, and advertisements, not postal services and telegraph.

(iii) The first mobile phone was initially developed to be used in a car.
Ans: True
The first mobile phone was developed to be used in a car.

(iv) The Internet is the latest development in communication.
Ans: True
The Internet is one of the latest developments in communication.

(v) Social networking sites like Facebook and Twitter are not popular forms of communication.
Ans: False
Social networking sites like Facebook and Twitter are popular forms of communication.