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Subject :NSO    Class : Class 5

Select the incorrect statement regarding water pollution.

A Suspended impurities make water less transparent causing death of submerged aquatic plants.
B Polluted water can cause diseases like typhoid, cholera and diabetes.
C Pollution decreases dissolved oxygen content of water.
D Agricultural runoff pollutes water by adding pesticides and fertilisers into it.


Ans 1:

Class : Class 6
It is B as the question is "Select the INCORRECT option"Diabetes is not cased by water pollution so the answer is B

Ans 2:

Class : Class 8

Ans 3:

Class : Class 5
B

Ans 4:

Class : Class 7
B is the answer to this question

Ans 5:

Class : Class 4
it should be D

Ans 6:

Class : Class 4
not B for sure as diabetes is not caused due to water pollution

Ans 7:

Class : Class 8

Ans 8:

Class : Class 5
The answer is D A-It is false B- Typhoid and cholera are caused by polluted water, but diabetes isnt. C- It is true that organic and inorganic pollutants cause dissolved oxygen level to decrease D- Agricultural runoffs can contaminate both groundwater and surface water

Ans 9:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 10:

Class : Class 8
ANSWER IS B

Ans 11:

Class : Class 5
ans b

Ans 12:

Class : Class 8

Ans 13:

Class : Class 7
B is the answer to this question

Ans 14:

Class : Class 6
b

Ans 15:

Class : Class 6

Ans 16:

Class : Class 6
I KNEW ABOUT TYPHOID AND CHOLERA BUT I didn't Knew about diabetes

Ans 17:

Class : Class 7
B

Ans 18:

Class : Class 8

Ans 19:

Class : Class 9
B

Ans 20:

Class : Class 5

Ans 21:

Class : Class 5
best

Ans 22:

Class : Class 4

Ans 23:

Class : Class 6
How is it B, we are just learning in school abt germs and diseases and it doesn’t say anything abt diabetes caused by polluted, this is answer is wrong

Ans 24:

Class : Class 5

Ans 25:

Class : Class 8

Ans 26:

Class : Class 7
The question says choose the 'Incorrect' option

Ans 27:

Class : Class 6
the answer is B

Ans 28:

Class : Class 5
how is diabetes caused through dirty or polluted water?

Ans 29:

Class : Class 6
confussing

Ans 30:

Class : Class 4
B

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