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Class 7 Science Tests

Safe and Drinking Water MCQ Quiz PDF Download

The Book Safe and drinking water Multiple Choice Questions (MCQ Quiz) PDF, safe and drinking water MCQs, download to learn online 7th grade science courses. Practice Importance of Water Multiple Choice Questions and Answers (MCQs), Safe and Drinking Water quiz answers PDF for online school and college. The eBook Safe and Drinking Water MCQ App Download: safe and drinking water, fresh water, water treatment test prep for taking online classes.

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


Class 7 Science: Safe and Drinking Water MCQs PDF Download

MCQ: Oil can be poison for

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

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

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

MCQ: 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: 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

Practice Tests: Class 7 Science Exam Prep

Download Free Apps (Android & iOS)

Download 7th Grade Science Quiz App, 8th Grade Science MCQ App, and Earth Science MCQs App to install for Android & iOS devices. These Apps include complete analytics of real time attempts with interactive assessments. Download Play Store & App Store Apps & Enjoy 100% functionality with subscriptions!

7th Grade Science App (Android & iOS)

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7th Grade Science App (Android & iOS)

7th Grade Science App Download

8th Grade Science App (Android & iOS)

8th Grade Science Quiz App

Earth Science App (Android & iOS)

Earth Science Quiz App