Worksheet Solutions: The World of Growing Knowledge | Be an Explorer 5: Book Solutions, Notes & Worksheets - Class 5 PDF Download

Q1: Multiple Choice Questions (MCQs).

(i) What was one of the early forms of communication before the development of writing?
(a) Telephones
(b) Smoke signals
(c) Emails
(d) Radio waves
Ans: (b)

(ii) Which ancient civilization used clay tablets with designs on them for communication?
(a) Egyptians
(b) Sumerians
(c) Chinese
(d) Romans
Ans: (b)

(iii) How did Native Americans communicate in some regions of Africa?
(a) Morse code
(b) Drum beats
(c) Semaphore signals
(d) Carrier pigeons
Ans: (b)

(iv) What is the term for the system of writing using letters, signs, symbols, and pictures?
(a) Calligraphy
(b) Cuneiform
(c) Pictographie
(d) Hieroglyphics
Ans: (d)

(v) The invention of which of the following contributed to the present state of communication?
(a) Printing press
(b) Telephone
(c) Television
(d) Internet
Ans: (a)

Q2: Fill in the Blanks.

(i) The Sumerians used __________ with designs on them, later hardened by baking, for communication.
Ans: clay tablets

(ii) The Egyptians developed a form of writing based on __________.
Ans: hieroglyphs

(iii) The script of Punjabi is written in the __________ script.
Ans: Gurmukhi

(iv) Louis Braille developed a script in __________ for visually challenged people.
Ans: raised dots

(v) The number 'One' was first used for measurement in Egypt around __________ BCE.
Ans: 3000

Q3: True or False.

(i) The Roman system of counting was based on symbols and pictures. 
Ans: False

(ii) The decimal system was discovered in Egypt around 3000 BCE. 
Ans: False

(iii) The discovery of the number zero is considered a significant development in mathematics. 
Ans: True

(iv) The Dravidian script is used for the script of South Indian languages like Tamil and Telugu. 
Ans: True

(v) The Brahmi script was developed about 200 years ago.
Ans: False

Q4: Match the Column.

Ans: