Maharashtra Board Class 5 EVS – History and the Concept of Time Textbook Exercises and Extra Question and Answers.
1. Fill in the blanks.
(a) The calendar we use today is based on the —————- .
(b) The period before the Common Era is known as the time ———- .
(a) Common Era (CE) or Christian Era (AD).
(b) “Before Common Era” (BCE) or “Before Christ” (BC).
2. Answer each question in one sentence.
(a) Which scientific methods are used to estimate the age of the layers of soil and the remains found in them?
(a) Scientific methods such as Carbon-14 analysis and Tree-rings analysis (Dendrochronology) are used to estimate the age of the layers of soil and the remains found in them.
(b) How is the first century of the Common Era written?
(b) The first century of the Common Era is written as ‘1-100 CE’ or ‘1-100 AD.’
3. Answer the following questions in brief.
(a) What is meant by the unilinear division of time?
(a) The unilinear division of time is a method of dividing time into successive, continuous years, with each year following the previous one in a linear, chronological order, such as the Common Era (CE) or Anno Domini (AD) system.
(b) What are the units of measuring time?
(b) The units of measuring time include seconds, minutes, hours, days, weeks, fortnights, months, years, centuries, and millennia.
Additional Question Answers
Q: What is the term for the method of dividing time into weeks, months, years, centuries, and millennia?
Answer: Unilinear division of time
Q: What does CE stand for in the Common Era?
Answer: Common Era
Q: What does AD stand for when referring to years in the Common Era?
Answer: Anno Domini