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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 4
B

Ans 2:

Class : Class 8
ANSWER IS B

Ans 3:

Class : Class 5
best

Ans 4:

Class : Class 8

Ans 5:

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

Ans 6:

Class : Class 7
B is the answer to this question

Ans 7:

Class : Class 7
B

Ans 8:

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

Ans 9:

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 10:

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

Ans 11:

Class : Class 9
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 12:

Class : Class 9

Ans 13:

Class : Class 5
ans b

Ans 14:

Class : Class 5

Ans 15:

Class : Class 5
B

Ans 16:

Class : Class 7
B is the answer to this question

Ans 17:

Class : Class 6
b

Ans 18:

Class : Class 9
It is B as the question is "Select the INCORRECT option"Diabetes is not cased by water pollution so the answer is B

Ans 19:

Class : Class 8

Ans 20:

Class : Class 9

Ans 21:

Class : Class 6
it is saying select the correct option for me

Ans 22:

Class : Class 2
confussing

Ans 23:

Class : Class 9

Ans 24:

Class : Class 8
The question says choose the 'Incorrect' option

Ans 25:

Class : Class 9
B

Ans 26:

Class : Class 6
the answer is B

Ans 27:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 28:

Class : Class 8

Ans 29:

Class : Class 6

Ans 30:

Class : Class 8

Ans 31:

Class : Class 4
it should be D

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