Class 9 Courses

Class 9 Biology App's Tests

Class 9 Biology e-Book's MCQs - Complete

Opening and Closing of Stomata App (MCQ) & e-Book PDF Download - 414

MCQ:

The ions that flow back to guard cells, from epidermal cells at the end of the day are

  1. potassium ions
  2. magnesium ions
  3. phosphorus ions
  4. Sulphur ions

Class 9 Biology App & e-Book Tests PDF Download

Opening and Closing of Stomata Textbook App: Free Download (Android & iOS)

The App: Opening and Closing of Stomata MCQ App to study Opening and Closing of Stomata Textbook, 9th Grade Biology MCQ App, and A level Biology MCQ App. The "Opening and Closing of Stomata" 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!

Opening and Closing of Stomata App (Android & iOS)

Opening and Closing of Stomata App (Android & iOS)

9th Grade Biology App (Android & iOS)

9th Grade Biology App (iOS & Android)

A level Biology App (Android & iOS)

A level Biology App (Android & iOS)

Zoology App (Android & iOS)

Zoology App (iOS & Android)