Class 7 Online Courses

Class 7 science Practice Tests

Class 7 Science Online Tests

Safe and Drinking Water Multiple Choice Questions (MCQ) PDF Download

Free Safe and drinking water Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Safe and Drinking Water MCQ PDF Book) to learn online 7th grade science certificate courses. Practice Importance of Water Multiple Choice Questions and Answers (MCQs), Safe and Drinking Water quiz answers PDF for homeschool certificate courses. Free learning App: Safe and Drinking Water MCQ App Download & e-Book for safe and drinking water, fresh water, water treatment test prep for taking online classes.

The MCQ: Oil can be poison for; "Safe and Drinking Water" App Download (Free) with answers insect's life, aquatic life, animal's life and human life for homeschool certificate courses. Solve importance of water quiz questions, download Google eBook (Free Sample) for free online courses.

Safe and Drinking Water MCQs: Questions and Answers PDF Download

MCQ 1: Oil can be poison for

A) insect's life
B) aquatic life
C) animal's life
D) human life

MCQ 2: When algae grows on the surface of water, it prevents

A) access of bacteria in water
B) access of sunlight in water
C) growth of fungi
D) growth of ferns and mosses

MCQ 3: The poison gets more concentrated as it moves through

A) water
B) food chain
C) fish body
D) vascular bundles in aquatic plants

MCQ 4: Skin diseases, eye infections and diarrhea are the examples of

A) water borne diseases
B) water washed diseases
C) water related diseases
D) anti water diseases

MCQ 5: Fish in the ponds and lakes die because the algae

A) takes all the minerals from water
B) takes all the oxygen from water
C) prevents sunlight to enter water
D) prevent from respiring

Class 7 Science Practice Tests

Safe and Drinking Water Learning App & Free Study Apps

Download Safe and Drinking Water MCQs App to learn Safe and Drinking Water MCQs, 7th Grade Science Learning App, and 8th Grade Science MCQ App. Free "Safe and Drinking Water" App to download Android & iOS Apps includes complete analytics of history with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Safe and Drinking Water App (Android & iOS)

Safe and Drinking Water App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)