Warning: Undefined variable $page in /home3/canwisac/time2study.in/inc/metatags.php on line 6

Warning: Undefined variable $bread_crumb_str in /home3/canwisac/time2study.in/inc/metatags.php on line 372
General Knowledge on Inventions | GK Test on Inventions Page 19
x
Support us!

If you like this site please help and make click on any of these buttons!

  »  
  »  
Inventions

General Knowledge on Inventions

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

Warning: Undefined array key "ipp" in /home3/canwisac/time2study.in/classes/paging_class.php on line 27

Warning: Undefined array key "ipp" in /home3/canwisac/time2study.in/classes/paging_class.php on line 147

Warning: Undefined array key "ipp" in /home3/canwisac/time2study.in/classes/paging_class.php on line 148
181. Which year Chester Floyd Carlson invented photocopier?
182. Who was invented hydraulic fracturing technology?
183. What was Thomas Alva Edison discovered?
184. Which  was discovered evolution theory?
185. Who were discovered Electrons? 
186. Which was invented D.D.T.?
187. Who was invented cinematography? 
188. Which was invented Cholera Bascillus?  
189. Which with the invention of Simpson and Harrison are associated? 
190.   Who was discovered centigrade thermometer?

Check More Pages...

Exercise


    Fatal error: Uncaught Error: Call to undefined function mysql_num_rows() in /home3/canwisac/time2study.in/inc/blocks/left_static_section.php:15 Stack trace: #0 /home3/canwisac/time2study.in/question_display.php(109): include_once() #1 {main} thrown in /home3/canwisac/time2study.in/inc/blocks/left_static_section.php on line 15