Q4.The period from birth to death of an organism represents
Answer : Option DExplaination / Solution:
The period from Birth of an individual to its natural death is called life span. Different organisms have different life span starting from one day to hundreds of years.
Q5.Which of these is an example of broadcast communication?
Answer : Option CExplaination / Solution:
In broadcast mode of communication a large number of receivers are linked to a single transmiiter.Radio works as receiver which converts the transmiited information/message into the original form of the information.
Answer : Option DExplaination / Solution:
Capital Goods refer to products that are used in the production of other products but are not incorporated into the new product. These include machine tools, industrial machinery.
Q9.__________ stands for brief and self explanatory headings of horizontal rows
Answer : Option BExplaination / Solution:
Like a caption or column heading each row of the table has to be given a heading. The designations of the rows are also called stubs or stub items, and the complete left column is known as stub column. A brief description of the row headings may also be given at the left hand top in the table.