Class 6 Science MCQs – Certification Test 168

Physical Environment Quiz (Question 168) – Study App & e-Book Download

Download eBook:

Class 6 Science Study Guide (Google Books)

Class 6 Science Study Guide (Apple Books)

Class 6 Science Study Guide (Kobo Books)

Apps:

Download Class 6 Science Study App for iOS

MCQ 168: Sewage discharge into lakes or streams can be a big threat for:

marine life
birds
animals
bacteria

Previous MCQ

Next MCQ

Physical Environment Quiz App & e-Book – Class 6 Science Placement Tests

Photosynthesis Importance MCQs

Reversible and Irreversible Changes MCQs

Elements and Symbols MCQs

Metals and Non Metals MCQs

Free Physical Environment Study App – Download for Android & iOS

The App: Physical Environment Quiz App to study Physical Environment Notes, 6th Grade Science Quiz App, and 8th Grade Science Quiz App. The "6th Grade Science" App Download – Free Physical Environment Study App (Android & iOS) to learn homeschool online courses. Download Play Store & App Store Study Apps with all functionalities for online schools.