Class 8 Online Courses

Inventions App's Tests

Inventions e-Book's MCQs - Complete

Phonograph Quiz App Download & e-Book - 23

MCQ:

Which one of the following is an inventor of the phonograph?

  1. Sir Charles David Kelman
  2. Sir Thomas Edison
  3. Sir Patricia Bath
  4. Sarah E. Goode

Inventions App & e-Book Tests PDF Download

Phonograph Learning App: Free Download Android & iOS

The App: Phonograph Quiz App to learn Phonograph Textbook, General Knowledge Quiz App, and Biochemistry Quiz App. The "Phonograph" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Phonograph App (Android & iOS)

Phonograph App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Biochemistry App (Android & iOS)

Biochemistry App (Android & iOS)

Educational Psychology App (Android & iOS)

Educational Psychology App (iOS & Android)