Certain statements regarding improvisation of learning aids are given below :
(i) Improvised aids provides a good alternative to the not easily available aids
(ii) It can be helpful in making teaching a child-centered activitys
(iii) Improvised aids are simple and easy to handle
(iv) Improvised aids are expensive but repairable
Which of the following statement is/are incorrect about Renaissance :
(I) Historians used the term Renaissance to describe the cultural changes of Europe
from nineteenth century
(II) The historian who emphasized these most was Jacob Burckhardt
(III) By birth he was a German
(IV) He was a student of a German historian Von Ranke